beginning to change things to upper case + added some more code to See merge request vmp2/vmprofiler-qt!5master
_xeroxz
3 years ago
commit
3a4a3781e0
@ -1 +1 @@
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Subproject commit c2319117a07d95794f54db970aa7f72e8726349a
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Subproject commit 051140175db16b38acee882cfca714b4a1000a41
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@ -1,21 +0,0 @@
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#pragma once
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#define NOMINMAX
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#include "qvminspector.h"
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class qvirt_instrs_t : public QObject
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{
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Q_OBJECT
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public:
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explicit qvirt_instrs_t( qvminspector_t *vminspector );
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private:
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Ui::QVMProfilerClass *ui;
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qvminspector_t *vminspector;
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void update_native_regs( vm::instrs::virt_instr_t *virt_instr );
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void update_virtual_regs( vm::instrs::virt_instr_t *virt_instr );
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void update_virtual_stack( vm::instrs::virt_instr_t *virt_instr );
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void update_vm_handler_info( vm::instrs::virt_instr_t *virt_instr );
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private slots:
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void on_select();
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};
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@ -1,16 +1,15 @@
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#pragma once
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#define NOMINMAX
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#include "qvminspector.h"
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#include "qvm_inspector.h"
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class qvirt_handlers_t : public QObject
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class qvm_handlers : public QObject
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{
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Q_OBJECT
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public:
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explicit qvirt_handlers_t( qvminspector_t *vminspector );
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explicit qvm_handlers( qvm_inspector *g_main_window );
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private:
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Ui::QVMProfilerClass *ui;
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qvminspector_t *vminspector;
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qvm_inspector *g_main_window;
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void update_transforms( vm::handler::handler_t &vm_handler );
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void update_instrs( vm::handler::handler_t &vm_handler );
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@ -0,0 +1,348 @@
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#include "qvm_inspector.h"
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qvm_inspector::qvm_inspector( QWidget *parent ) : QMainWindow( parent ), file_header( nullptr ), g_vm_ctx( nullptr )
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{
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ui.setupUi( this );
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ui.virt_instrs->setColumnWidth( 0, 125 );
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ui.virt_instrs->setColumnWidth( 1, 150 );
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ui.virt_instrs->setColumnWidth( 2, 190 );
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ui.virt_instrs->setColumnWidth( 3, 200 );
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ui.virtual_machine_enters->setColumnWidth( 0, 180 );
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connect( ui.action_open, &QAction::triggered, this, &qvm_inspector::on_open );
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connect( ui.action_close, &QAction::triggered, this, &qvm_inspector::on_close );
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}
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void qvm_inspector::on_close()
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{
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exit( 0 );
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}
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void qvm_inspector::on_open()
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{
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if ( file_header )
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free( file_header );
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file_header = nullptr;
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img_base = 0u, module_base = 0u;
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auto file_path = QFileDialog::getOpenFileName(
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this, tr( "open vmp2 file" ), std::filesystem::current_path().string().c_str(), tr( "vmp2 file (*.vmp2)" ) );
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if ( file_path.isEmpty() )
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{
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dbg_msg( "invalid vmp2 file... no file selected..." );
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return;
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}
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if ( !std::filesystem::exists( file_path.toStdString() ) )
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{
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dbg_msg( "vmp2 file does not exist..." );
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return;
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}
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const auto file_size = std::filesystem::file_size( file_path.toStdString() );
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if ( !file_size )
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{
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dbg_msg( "invalid vmp2 file size..." );
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return;
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}
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QFile open_file( file_path );
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file_header = reinterpret_cast< vmp2::v4::file_header * >( malloc( file_size ) );
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if ( !open_file.open( QIODevice::ReadOnly ) )
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{
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dbg_msg( "failed to open vmp2 file..." );
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return;
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}
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memcpy( file_header, open_file.readAll().data(), file_size );
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if ( !init_data() )
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{
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dbg_msg( "failed to init vmp2 file data..." );
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return;
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}
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}
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void qvm_inspector::dbg_print( QString dbg_output )
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{
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ui.dbg_output_window->appendPlainText( dbg_output );
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}
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void qvm_inspector::dbg_msg( QString dbg_output )
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{
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QMessageBox msg_box;
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msg_box.setText( dbg_output );
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msg_box.exec();
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dbg_print( dbg_output );
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}
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bool qvm_inspector::init_data()
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{
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if ( file_header->magic != VMP_MAGIC )
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{
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dbg_msg( "invalid magic bytes for vmp2 file..." );
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return false;
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}
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dbg_print( "valid magic bytes for vmp2 file..." );
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if ( file_header->version != vmp2::version_t::v4 )
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{
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dbg_msg( "invalid vmp2 file version... "
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"this vminspector is compiled for version 4...\n" );
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return false;
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}
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img_base = file_header->image_base;
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img_size = file_header->module_size;
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module_base = reinterpret_cast< std::uintptr_t >( file_header ) + file_header->module_offset;
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if ( !serialize_vmp2( virt_rtns ) )
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{
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dbg_msg( "failed to serialize vmp2 file format...\n" );
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return false;
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}
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update_ui();
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return true;
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}
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void qvm_inspector::update_ui()
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{
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ui.virtual_machine_enters->clear();
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for ( auto &[ rtn_rva, rtn_blks ] : virt_rtns )
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{
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auto new_item = new QTreeWidgetItem();
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new_item->setText( 0, QString( "rtn_%1" ).arg( rtn_rva + file_header->image_base, 0, 16 ) );
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new_item->setText( 1, QString( "%1" ).arg( rtn_rva + file_header->image_base, 0, 16 ) );
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new_item->setText( 2, QString( "%1" ).arg( rtn_blks.size() ) );
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new_item->setData( 0, Qt::UserRole, QVariant( rtn_rva ) );
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std::for_each( rtn_blks.begin(), rtn_blks.end(), [ & ]( vm::instrs::code_block_t &code_blk ) {
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auto new_child = new QTreeWidgetItem();
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new_child->setText( 0, QString( "blk_%1" ).arg( code_blk.vip_begin, 0, 16 ) );
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new_child->setText( 1, QString( "%1" ).arg( code_blk.vip_begin, 0, 16 ) );
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new_child->setText( 2, QString( "%1" ).arg( code_blk.vinstrs.size() ) );
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new_item->addChild( new_child );
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} );
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ui.virtual_machine_enters->addTopLevelItem( new_item );
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}
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}
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bool qvm_inspector::serialize_vmp2( std::vector< rtn_data_t > &virt_rtns )
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{
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if ( file_header->version != vmp2::version_t::v4 )
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{
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std::printf( "[!] invalid vmp2 file version... this build uses v3...\n" );
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return false;
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}
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auto first_rtn = reinterpret_cast< vmp2::v4::rtn_t * >( reinterpret_cast< std::uintptr_t >( file_header ) +
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file_header->rtn_offset );
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for ( auto [ rtn_block, rtn_idx ] = std::pair{ first_rtn, 0ull }; rtn_idx < file_header->rtn_count;
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++rtn_idx, rtn_block = reinterpret_cast< vmp2::v4::rtn_t * >(
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reinterpret_cast< std::uintptr_t >( rtn_block ) + rtn_block->size ) )
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{
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virt_rtns.push_back( { rtn_block->vm_enter_offset, {} } );
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for ( auto [ code_block, block_idx ] = std::pair{ &rtn_block->code_blocks[ 0 ], 0ull };
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block_idx < rtn_block->code_block_count;
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++block_idx, code_block = reinterpret_cast< vmp2::v4::code_block_t * >(
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reinterpret_cast< std::uintptr_t >( code_block ) + code_block->next_block_offset ) )
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{
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auto block_vinstrs = reinterpret_cast< vm::instrs::virt_instr_t * >(
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reinterpret_cast< std::uintptr_t >( code_block ) + sizeof vmp2::v4::code_block_t +
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( code_block->num_block_addrs * 8 ) );
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vm::instrs::code_block_t _code_block{ code_block->vip_begin };
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_code_block.jcc.has_jcc = code_block->has_jcc;
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_code_block.jcc.type = code_block->jcc_type;
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for ( auto idx = 0u; idx < code_block->num_block_addrs; ++idx )
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_code_block.jcc.block_addr.push_back( code_block->branch_addr[ idx ] );
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for ( auto idx = 0u; idx < code_block->vinstr_count; ++idx )
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_code_block.vinstrs.push_back( block_vinstrs[ idx ] );
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virt_rtns.back().rtn_blks.push_back( _code_block );
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}
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}
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return true;
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}
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void qvm_inspector::update_virtual_instructions( std::uintptr_t rtn_addr, std::uintptr_t blk_addr,
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QTreeWidgetItem *parent )
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{
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auto _rtn = std::find_if( virt_rtns.begin(), virt_rtns.end(),
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[ & ]( rtn_data_t &rtn ) -> bool { return rtn.rtn_rva == rtn_addr; } );
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if ( _rtn == virt_rtns.end() )
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return;
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auto code_blk = blk_addr ? std::find_if( _rtn->rtn_blks.begin(), _rtn->rtn_blks.end(),
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[ & ]( const vm::instrs::code_block_t &code_block ) -> bool {
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return code_block.vip_begin == blk_addr;
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} )
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: _rtn->rtn_blks.begin();
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if ( code_blk == _rtn->rtn_blks.end() )
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return;
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if ( std::find( code_block_addrs.begin(), code_block_addrs.end(), code_blk->vip_begin ) != code_block_addrs.end() )
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return;
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code_block_addrs.push_back( code_blk->vip_begin );
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for ( auto &vinstr : code_blk->vinstrs )
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{
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const auto profile = vm::handler::get_profile( vinstr.mnemonic_t );
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auto virt_instr_entry = new QTreeWidgetItem();
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// virtual instruction image base'ed rva... (column 1)...
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virt_instr_entry->setText(
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0, QString( "0x%1" ).arg( QString::number(
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( vinstr.trace_data.vip - file_header->module_base ) + file_header->image_base, 16 ) ) );
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// virtual instruction operand bytes... (column 2)...
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QString operand_bytes;
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operand_bytes.append( QString( "%1" ).arg( vinstr.opcode, 0, 16 ) );
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// if virt instruction has an imm... grab its bytes...
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if ( vinstr.operand.has_imm )
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{
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operand_bytes.append( " - " );
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for ( auto _idx = 0u; _idx < vinstr.operand.imm.imm_size / 8; ++_idx )
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operand_bytes.append( QString( "%1 " ).arg(
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reinterpret_cast< const std::uint8_t * >( &vinstr.operand.imm.u )[ _idx ], 0, 16 ) );
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}
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virt_instr_entry->setText( 1, operand_bytes );
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// virtual instruction string, includes imm... (colume 3)...
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QString decoded_instr(
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QString( "%1" ).arg( profile ? profile->name : QString( "UNK(%1)" ).arg( vinstr.opcode, 0, 16 ) ) );
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if ( vinstr.operand.has_imm ) // if there is a second operand (imm) put its value...
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decoded_instr.append( QString( " %1" ).arg( vinstr.operand.imm.u, 0, 16 ) );
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virt_instr_entry->setText( 2, decoded_instr );
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// add comments to the virtual instruction... (colume 4)...
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if ( vinstr.mnemonic_t == vm::handler::LREGQ || vinstr.mnemonic_t == vm::handler::SREGQ )
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virt_instr_entry->setText(
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3, QString( "; vreg%1" ).arg( vinstr.operand.imm.u ? ( vinstr.operand.imm.u / 8 ) : 0u ) );
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if ( vinstr.mnemonic_t == vm::handler::JMP )
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{
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switch ( code_blk->jcc.type )
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{
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case vm::instrs::jcc_type::branching:
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{
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virt_instr_entry->setText( 3, QString( "; { 0x%1, 0x%2 }" )
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.arg( code_blk->jcc.block_addr[ 0 ], 0, 16 )
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.arg( code_blk->jcc.block_addr[ 1 ], 0, 16 ) );
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auto entry_rva = g_vm_ctx->vm_handlers[ vinstr.opcode ].address - module_base;
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auto branch_entry1 = new QTreeWidgetItem(), branch_entry2 = new QTreeWidgetItem();
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const auto block1_addr = code_blk->jcc.block_addr[ 0 ];
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const auto block2_addr = code_blk->jcc.block_addr[ 1 ];
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branch_entry1->setText( 0, QString( "0x%1" ).arg( block1_addr, 0, 16 ) );
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branch_entry1->setText( 3, QString( "; blk_0x%1" ).arg( block1_addr, 0, 16 ) );
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branch_entry2->setText( 0, QString( "0x%1" ).arg( block2_addr, 0, 16 ) );
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branch_entry2->setText( 3, QString( "; blk_0x%1" ).arg( block2_addr, 0, 16 ) );
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if ( g_vm_ctx )
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delete g_vm_ctx;
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if ( !( g_vm_ctx = new vm::ctx_t( module_base, img_base, img_size, entry_rva ) )->init() )
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{
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dbg_print( QString( "> failed to init vm::ctx_t for jmp at = %1..." )
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.arg( QString::number( code_blk->vip_begin, 16 ) ) );
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return;
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}
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update_virtual_instructions( rtn_addr, code_blk->jcc.block_addr[ 0 ], branch_entry1 );
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if ( g_vm_ctx )
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delete g_vm_ctx;
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if ( !( g_vm_ctx = new vm::ctx_t( module_base, img_base, img_size, entry_rva ) )->init() )
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{
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dbg_print( QString( "> failed to init vm::ctx_t for jmp at = %1..." )
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.arg( QString::number( code_blk->vip_begin, 16 ) ) );
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return;
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}
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update_virtual_instructions( rtn_addr, code_blk->jcc.block_addr[ 1 ], branch_entry2 );
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virt_instr_entry->addChildren( { branch_entry1, branch_entry2 } );
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break;
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}
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case vm::instrs::jcc_type::absolute:
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{
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auto entry_rva = g_vm_ctx->vm_handlers[ vinstr.opcode ].address - module_base;
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virt_instr_entry->setText( 3, QString( "; { 0x%1 }" ).arg( code_blk->jcc.block_addr[ 0 ], 0, 16 ) );
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if ( g_vm_ctx )
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delete g_vm_ctx;
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if ( !( g_vm_ctx = new vm::ctx_t( module_base, img_base, img_size, entry_rva ) )->init() )
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{
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dbg_print( QString( "> failed to init vm::ctx_t for jmp at = %1..." )
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.arg( QString::number( code_blk->vip_begin, 16 ) ) );
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return;
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}
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auto branch_entry1 = new QTreeWidgetItem();
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branch_entry1->setText( 0, QString( "0x%1" ).arg( code_blk->jcc.block_addr[ 0 ], 0, 16 ) );
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branch_entry1->setText( 3, QString( "; blk_0x%1" ).arg( code_blk->jcc.block_addr[ 0 ], 0, 16 ) );
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update_virtual_instructions( rtn_addr, code_blk->jcc.block_addr[ 0 ], branch_entry1 );
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virt_instr_entry->addChild( branch_entry1 );
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break;
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}
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case vm::instrs::jcc_type::switch_case:
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{
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auto entry_rva = g_vm_ctx->vm_handlers[ vinstr.opcode ].address - module_base;
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if ( g_vm_ctx )
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delete g_vm_ctx;
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if ( !( g_vm_ctx = new vm::ctx_t( module_base, img_base, img_size, entry_rva ) )->init() )
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{
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dbg_print( QString( "> failed to init vm::ctx_t for jmp at = %1..." )
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.arg( QString::number( code_blk->vip_begin, 16 ) ) );
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return;
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}
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for ( auto branch_addr : code_blk->jcc.block_addr )
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{
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virt_instr_entry->setText( 3, QString( "; switch case" ) );
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auto branch_entry = new QTreeWidgetItem();
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branch_entry->setText( 0, QString( "0x%1" ).arg( branch_addr, 0, 16 ) );
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update_virtual_instructions( rtn_addr, branch_addr, branch_entry );
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virt_instr_entry->addChild( branch_entry );
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}
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break;
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}
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default:
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break;
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}
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}
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QVariant var;
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var.setValue( vinstr );
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virt_instr_entry->setData( 3, Qt::UserRole, var );
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parent ? parent->addChild( virt_instr_entry ) : ui.virt_instrs->addTopLevelItem( virt_instr_entry );
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}
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}
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@ -0,0 +1,56 @@
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#pragma once
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#include <QtWidgets/QFileDialog>
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#include <QtWidgets/QInputDialog.h>
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#include <QtWidgets/QMainWindow>
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#include <QtWidgets/QMessageBox.h>
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#include <qpushbutton.h>
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#include <qtreewidget.h>
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#include <Windows.h>
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#include <filesystem>
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#include <fstream>
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#include <vmprofiler.hpp>
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#include "ui_qvminspector.h"
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#include <ia32.hpp>
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#include <vmprofiler.hpp>
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#define ABS_TO_IMG( addr, mod_base, img_base ) ( addr - mod_base ) + img_base
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Q_DECLARE_METATYPE( vm::instrs::virt_instr_t )
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|
||||
struct rtn_data_t
|
||||
{
|
||||
std::uint32_t rtn_rva;
|
||||
std::vector< vm::instrs::code_block_t > rtn_blks;
|
||||
};
|
||||
|
||||
class qvm_inspector : public QMainWindow
|
||||
{
|
||||
friend class qvm_virtual_instructions;
|
||||
friend class qvm_handlers;
|
||||
friend class qvm_virtual_routines;
|
||||
Q_OBJECT
|
||||
public:
|
||||
qvm_inspector( QWidget *parent = Q_NULLPTR );
|
||||
|
||||
private slots:
|
||||
void on_open();
|
||||
void on_close();
|
||||
|
||||
private:
|
||||
void dbg_print( QString DbgOutput );
|
||||
void dbg_msg( QString DbgOutput );
|
||||
void update_ui();
|
||||
bool serialize_vmp2( std::vector< rtn_data_t > &virt_rtns );
|
||||
void update_virtual_instructions( std::uintptr_t rtn_addr, std::uintptr_t blk_addr = 0ull,
|
||||
QTreeWidgetItem *parent = nullptr );
|
||||
bool init_data();
|
||||
|
||||
Ui::QVMProfilerClass ui;
|
||||
std::uint64_t img_base, module_base, img_size;
|
||||
vm::ctx_t *g_vm_ctx;
|
||||
|
||||
vmp2::v4::file_header *file_header;
|
||||
std::vector< rtn_data_t > virt_rtns;
|
||||
std::vector< std::uintptr_t > code_block_addrs;
|
||||
};
|
||||
@ -0,0 +1,21 @@
|
||||
#pragma once
|
||||
#include "qvm_inspector.h"
|
||||
|
||||
class qvm_virtual_instructions : public QObject
|
||||
{
|
||||
Q_OBJECT
|
||||
public:
|
||||
explicit qvm_virtual_instructions( qvm_inspector *g_main_window );
|
||||
|
||||
private:
|
||||
Ui::QVMProfilerClass *ui;
|
||||
qvm_inspector *g_main_window;
|
||||
|
||||
void update_native_registers( vm::instrs::virt_instr_t *virt_instr );
|
||||
void update_virtual_registers( vm::instrs::virt_instr_t *virt_instr );
|
||||
void update_virtual_stack( vm::instrs::virt_instr_t *virt_instr );
|
||||
void update_vmhandler_info( vm::instrs::virt_instr_t *virt_instr );
|
||||
|
||||
private slots:
|
||||
void on_select();
|
||||
};
|
||||
@ -0,0 +1,112 @@
|
||||
#include "qvm_virtual_routines.h"
|
||||
|
||||
qvm_virtual_routines::qvm_virtual_routines( qvm_inspector *g_main_window )
|
||||
: g_main_window( g_main_window ), ui( &g_main_window->ui )
|
||||
{
|
||||
connect( ui->virtual_machine_enters, &QTreeWidget::itemSelectionChanged, this, &qvm_virtual_routines::on_select );
|
||||
}
|
||||
|
||||
void qvm_virtual_routines::update_vm_enter( vm::ctx_t *g_vm_ctx )
|
||||
{
|
||||
char buffer[ 256 ];
|
||||
ZydisFormatter formatter;
|
||||
ZydisFormatterInit( &formatter, ZYDIS_FORMATTER_STYLE_INTEL );
|
||||
|
||||
ui->virtual_machine_enter_instrs->clear();
|
||||
for ( auto [ instr, raw, addr ] : g_vm_ctx->vm_entry )
|
||||
{
|
||||
ZydisFormatterFormatInstruction( &formatter, &instr, buffer, sizeof( buffer ),
|
||||
( addr - g_main_window->module_base ) + g_vm_ctx->image_base );
|
||||
|
||||
auto newItem = new QTreeWidgetItem();
|
||||
newItem->setText( 0, QString::number( ( addr - g_main_window->module_base ) + g_vm_ctx->image_base, 16 ) );
|
||||
newItem->setText( 1, buffer );
|
||||
ui->virtual_machine_enter_instrs->addTopLevelItem( newItem );
|
||||
}
|
||||
}
|
||||
|
||||
void qvm_virtual_routines::update_calc_jmp( vm::ctx_t *g_vm_ctx )
|
||||
{
|
||||
char buffer[ 256 ];
|
||||
ZydisFormatter formatter;
|
||||
ZydisFormatterInit( &formatter, ZYDIS_FORMATTER_STYLE_INTEL );
|
||||
|
||||
ui->virtual_machine_enter_calc_jmp->clear();
|
||||
for ( auto [ instr, raw, addr ] : g_vm_ctx->calc_jmp )
|
||||
{
|
||||
ZydisFormatterFormatInstruction( &formatter, &instr, buffer, sizeof( buffer ),
|
||||
( addr - g_main_window->module_base ) + g_vm_ctx->image_base );
|
||||
|
||||
auto newItem = new QTreeWidgetItem();
|
||||
newItem->setText( 0, QString::number( ( addr - g_main_window->module_base ) + g_vm_ctx->image_base, 16 ) );
|
||||
newItem->setText( 1, buffer );
|
||||
ui->virtual_machine_enter_calc_jmp->addTopLevelItem( newItem );
|
||||
}
|
||||
}
|
||||
|
||||
void qvm_virtual_routines::update_vm_handlers( vm::ctx_t *g_vm_ctx )
|
||||
{
|
||||
ui->virt_handlers_tree->clear();
|
||||
for ( auto idx = 0u; idx < g_vm_ctx->vm_handlers.size(); ++idx )
|
||||
{
|
||||
auto newItem = new QTreeWidgetItem;
|
||||
newItem->setData( 0, Qt::UserRole, idx );
|
||||
newItem->setText( 0, QString( "%1" ).arg( idx ) );
|
||||
newItem->setText( 1,
|
||||
QString( "%1" ).arg( ( g_vm_ctx->vm_handlers[ idx ].address - g_main_window->module_base ) +
|
||||
g_main_window->img_base,
|
||||
0, 16 ) );
|
||||
|
||||
newItem->setText( 2, g_vm_ctx->vm_handlers[ idx ].profile ? g_vm_ctx->vm_handlers[ idx ].profile->name
|
||||
: "UNDEFINED" );
|
||||
|
||||
newItem->setText( 3, QString( "%1" ).arg( g_vm_ctx->vm_handlers[ idx ].imm_size ) );
|
||||
|
||||
if ( g_vm_ctx->vm_handlers[ idx ].profile && g_vm_ctx->vm_handlers[ idx ].imm_size )
|
||||
newItem->setText( 4,
|
||||
g_vm_ctx->vm_handlers[ idx ].profile->extention == vm::handler::extention_t::sign_extend
|
||||
? "SIGN EXTENDED"
|
||||
: "ZERO EXTENDED" );
|
||||
else
|
||||
newItem->setText( 4, "UNDEFINED" );
|
||||
|
||||
ui->virt_handlers_tree->addTopLevelItem( newItem );
|
||||
}
|
||||
ui->virt_handlers_tree->topLevelItem( 0 )->setSelected( true );
|
||||
}
|
||||
|
||||
void qvm_virtual_routines::on_select()
|
||||
{
|
||||
if ( ui->virtual_machine_enters->selectedItems().empty() )
|
||||
return;
|
||||
|
||||
auto item = ui->virtual_machine_enters->selectedItems()[ 0 ];
|
||||
|
||||
if ( !item || !item->childCount() )
|
||||
return;
|
||||
|
||||
auto entry_rva = item->data( 0, Qt::UserRole ).value< std::uint32_t >();
|
||||
|
||||
if ( !entry_rva )
|
||||
return;
|
||||
|
||||
if ( g_main_window->g_vm_ctx )
|
||||
delete g_main_window->g_vm_ctx;
|
||||
|
||||
g_main_window->g_vm_ctx =
|
||||
new vm::ctx_t( g_main_window->module_base, g_main_window->img_base, g_main_window->img_size, entry_rva );
|
||||
|
||||
if ( !g_main_window->g_vm_ctx->init() )
|
||||
{
|
||||
g_main_window->dbg_msg( "[!] failed to init vm::ctx_t...\n" );
|
||||
return;
|
||||
}
|
||||
|
||||
update_vm_enter( g_main_window->g_vm_ctx );
|
||||
update_calc_jmp( g_main_window->g_vm_ctx );
|
||||
update_vm_handlers( g_main_window->g_vm_ctx );
|
||||
|
||||
ui->virt_instrs->clear();
|
||||
g_main_window->code_block_addrs.clear();
|
||||
g_main_window->update_virtual_instructions( entry_rva );
|
||||
}
|
||||
@ -0,0 +1,19 @@
|
||||
#pragma once
|
||||
#include "qvm_inspector.h"
|
||||
|
||||
class qvm_virtual_routines : public QObject
|
||||
{
|
||||
Q_OBJECT
|
||||
public:
|
||||
explicit qvm_virtual_routines( qvm_inspector *g_main_window );
|
||||
|
||||
private:
|
||||
Ui::QVMProfilerClass *ui;
|
||||
qvm_inspector *g_main_window;
|
||||
|
||||
void update_vm_enter( vm::ctx_t *g_vm_ctx );
|
||||
void update_calc_jmp( vm::ctx_t *g_vm_ctx );
|
||||
void update_vm_handlers( vm::ctx_t *g_vm_ctx );
|
||||
private slots:
|
||||
void on_select();
|
||||
};
|
||||
@ -1,385 +0,0 @@
|
||||
#include "qvminspector.h"
|
||||
|
||||
qvminspector_t::qvminspector_t( qwidget_t *parent ) : qmain_window_t( parent ), file_header( nullptr ), vmctx( nullptr )
|
||||
{
|
||||
ui.setupUi( this );
|
||||
ui.virt_instrs->setColumnWidth( 0, 180 );
|
||||
ui.virt_instrs->setColumnWidth( 1, 150 );
|
||||
ui.virt_instrs->setColumnWidth( 2, 190 );
|
||||
ui.virt_instrs->setColumnWidth( 3, 200 );
|
||||
|
||||
connect( ui.action_open, &QAction::triggered, this, &qvminspector_t::on_open );
|
||||
connect( ui.action_close, &QAction::triggered, this, &qvminspector_t::on_close );
|
||||
}
|
||||
|
||||
void qvminspector_t::on_close()
|
||||
{
|
||||
exit( 0 );
|
||||
}
|
||||
|
||||
void qvminspector_t::on_open()
|
||||
{
|
||||
if ( file_header && vmctx )
|
||||
{
|
||||
free( file_header );
|
||||
delete vmctx;
|
||||
}
|
||||
|
||||
file_header = nullptr, first_block = nullptr;
|
||||
code_block_addrs.clear();
|
||||
image_base = 0u, vm_entry_rva = 0u, module_base = 0u;
|
||||
|
||||
file_path = QFileDialog::getOpenFileName(
|
||||
this, tr( "open vmp2 file" ), std::filesystem::current_path().string().c_str(), tr( "vmp2 file (*.vmp2)" ) );
|
||||
|
||||
const auto &_file_path = file_path.toStdString();
|
||||
|
||||
if ( file_path.isEmpty() )
|
||||
{
|
||||
dbg_msg( "invalid vmp2 file... no file selected..." );
|
||||
return;
|
||||
}
|
||||
|
||||
if ( !std::filesystem::exists( _file_path ) )
|
||||
{
|
||||
dbg_msg( "vmp2 file does not exist..." );
|
||||
return;
|
||||
}
|
||||
|
||||
const auto file_size = std::filesystem::file_size( _file_path );
|
||||
|
||||
if ( !file_size )
|
||||
{
|
||||
dbg_msg( "invalid vmp2 file size..." );
|
||||
return;
|
||||
}
|
||||
|
||||
qfile_t open_file( file_path );
|
||||
file_header = reinterpret_cast< vmp2::v3::file_header * >( malloc( file_size ) );
|
||||
|
||||
if ( !open_file.open( QIODevice::ReadOnly ) )
|
||||
{
|
||||
dbg_msg( "failed to open vmp2 file..." );
|
||||
return;
|
||||
}
|
||||
|
||||
memcpy( file_header, open_file.readAll().data(), file_size );
|
||||
|
||||
if ( !init_data() )
|
||||
{
|
||||
dbg_msg( "failed to init vmp2 file data..." );
|
||||
return;
|
||||
}
|
||||
|
||||
update_ui();
|
||||
}
|
||||
|
||||
void qvminspector_t::dbg_print( qstring_t dbg_output )
|
||||
{
|
||||
ui.dbg_output_window->appendPlainText( dbg_output );
|
||||
}
|
||||
|
||||
void qvminspector_t::dbg_msg( qstring_t dbg_output )
|
||||
{
|
||||
qmsg_box_t msg_box;
|
||||
msg_box.setText( dbg_output );
|
||||
msg_box.exec();
|
||||
dbg_print( dbg_output );
|
||||
}
|
||||
|
||||
bool qvminspector_t::init_data()
|
||||
{
|
||||
if ( file_header->magic != VMP_MAGIC )
|
||||
{
|
||||
dbg_msg( "invalid magic bytes for vmp2 file..." );
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
dbg_print( "valid magic bytes for vmp2 file..." );
|
||||
|
||||
if ( file_header->version != vmp2::version_t::v3 )
|
||||
{
|
||||
dbg_msg( "invalid vmp2 file version... "
|
||||
"this vminspector is compiled for version 3...\n" );
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
vm_entry_rva = file_header->vm_entry_rva;
|
||||
image_base = file_header->image_base;
|
||||
image_size = file_header->module_size;
|
||||
|
||||
module_base = reinterpret_cast< std::uintptr_t >( file_header ) + file_header->module_offset;
|
||||
vmctx = new vm::ctx_t( module_base, image_base, image_size, vm_entry_rva );
|
||||
|
||||
if ( !vmctx->init() )
|
||||
{
|
||||
dbg_msg( "failed to init vm::ctx_t... this can happen for many reasons..."
|
||||
"ensure that the vmp2 file is not corrupted...\n" );
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
first_block = reinterpret_cast< vmp2::v3::code_block_t * >( reinterpret_cast< std::uintptr_t >( file_header ) +
|
||||
file_header->code_block_offset );
|
||||
return true;
|
||||
}
|
||||
|
||||
void qvminspector_t::add_branch_children( qtree_widget_item_t *item, std::uintptr_t branch_addr )
|
||||
{
|
||||
if ( std::find( code_block_addrs.begin(), code_block_addrs.end(), branch_addr ) != code_block_addrs.end() )
|
||||
return;
|
||||
|
||||
code_block_addrs.push_back( branch_addr );
|
||||
|
||||
// for each code block find the one that starts with the desired branch...
|
||||
for ( auto [ code_block, code_block_num ] = std::tuple{ first_block, 0u };
|
||||
code_block_num < file_header->code_block_count;
|
||||
code_block = reinterpret_cast< vmp2::v3::code_block_t * >( reinterpret_cast< std::uintptr_t >( code_block ) +
|
||||
code_block->next_block_offset ),
|
||||
++code_block_num )
|
||||
{
|
||||
if ( code_block->vip_begin != branch_addr )
|
||||
continue;
|
||||
|
||||
dbg_print( qstring_t( "> code block %1 (block_%2), number of vinstrs = %3..." )
|
||||
.arg( code_block_num )
|
||||
.arg( code_block->vip_begin, 0, 16 )
|
||||
.arg( code_block->vinstr_count ) );
|
||||
|
||||
// for each virtual instruction inside of this code block...
|
||||
for ( auto idx = 0u; idx < code_block->vinstr_count; ++idx )
|
||||
{
|
||||
const auto virt_instr = &code_block->vinstr[ idx ];
|
||||
const auto profile = vm::handler::get_profile( virt_instr->mnemonic_t );
|
||||
auto virt_instr_entry = new qtree_widget_item_t;
|
||||
|
||||
// virtual instruction image base'ed rva... (column 1)...
|
||||
virt_instr_entry->setText(
|
||||
0, QString( "block_%1+%2" )
|
||||
.arg( branch_addr, 0, 16 )
|
||||
.arg( idx ? code_block->vip_begin >
|
||||
( ( virt_instr->trace_data.vip - file_header->module_base ) + image_base )
|
||||
? code_block->vip_begin -
|
||||
( ( virt_instr->trace_data.vip - file_header->module_base ) + image_base )
|
||||
: ( ( virt_instr->trace_data.vip - file_header->module_base ) + image_base ) -
|
||||
code_block->vip_begin
|
||||
: 0u,
|
||||
0, 16 ) );
|
||||
|
||||
// virtual instruction operand bytes... (column 2)...
|
||||
qstring_t operand_bytes;
|
||||
operand_bytes.append( QString( "%1" ).arg( virt_instr->opcode, 0, 16 ) );
|
||||
|
||||
// if virt instruction has an imm... grab its bytes...
|
||||
if ( virt_instr->operand.has_imm )
|
||||
{
|
||||
operand_bytes.append( " - " );
|
||||
for ( auto _idx = 0u; _idx < virt_instr->operand.imm.imm_size / 8; ++_idx )
|
||||
operand_bytes.append( QString( "%1 " ).arg(
|
||||
reinterpret_cast< std::uint8_t * >( &virt_instr->operand.imm.u )[ _idx ], 0, 16 ) );
|
||||
}
|
||||
|
||||
virt_instr_entry->setText( 1, operand_bytes );
|
||||
|
||||
// virtual instruction string, includes imm... (colume 3)...
|
||||
QString decoded_instr( QString( "%1" ).arg(
|
||||
profile ? profile->name : QString( "UNK(%1)" ).arg( virt_instr->opcode, 0, 16 ) ) );
|
||||
|
||||
if ( virt_instr->operand.has_imm ) // if there is a second operand (imm) put its value...
|
||||
decoded_instr.append( QString( " %1" ).arg( virt_instr->operand.imm.u, 0, 16 ) );
|
||||
|
||||
virt_instr_entry->setText( 2, decoded_instr );
|
||||
|
||||
// add comments to the virtual instruction... (colume 4)...
|
||||
if ( virt_instr->mnemonic_t == vm::handler::LREGQ || virt_instr->mnemonic_t == vm::handler::SREGQ )
|
||||
virt_instr_entry->setText(
|
||||
3,
|
||||
QString( "; vreg%1" ).arg( virt_instr->operand.imm.u ? ( virt_instr->operand.imm.u / 8 ) : 0u ) );
|
||||
|
||||
QVariant var;
|
||||
var.setValue( virt_instr );
|
||||
virt_instr_entry->setData( 3, Qt::UserRole, var );
|
||||
|
||||
if ( virt_instr->mnemonic_t == vm::handler::JMP )
|
||||
{
|
||||
if ( code_block->jcc.type == vm::instrs::jcc_type::branching )
|
||||
{
|
||||
virt_instr_entry->setText( 3, QString( "; { %1, %2 }" )
|
||||
.arg( code_block->jcc.block_addr[ 0 ], 0, 16 )
|
||||
.arg( code_block->jcc.block_addr[ 1 ], 0, 16 ) );
|
||||
|
||||
auto branch_entry1 = new qtree_widget_item_t(), branch_entry2 = new qtree_widget_item_t();
|
||||
const auto block1_addr = code_block->jcc.block_addr[ 0 ];
|
||||
const auto block2_addr = code_block->jcc.block_addr[ 1 ];
|
||||
|
||||
branch_entry1->setText( 0, QString( "%1" ).arg( block1_addr, 0, 16 ) );
|
||||
branch_entry1->setText( 3, QString( "; block_%1" ).arg( block1_addr, 0, 16 ) );
|
||||
|
||||
branch_entry2->setText( 0, QString( "%1" ).arg( block2_addr, 0, 16 ) );
|
||||
branch_entry2->setText( 3, QString( "; block_%1" ).arg( block2_addr, 0, 16 ) );
|
||||
|
||||
add_branch_children( branch_entry1, code_block->jcc.block_addr[ 0 ] );
|
||||
add_branch_children( branch_entry2, code_block->jcc.block_addr[ 1 ] );
|
||||
|
||||
virt_instr_entry->addChildren( { branch_entry1, branch_entry2 } );
|
||||
// if its a JMP with branches we want to insert the next code block
|
||||
// instructions into the child widget entries...
|
||||
item->addChild( virt_instr_entry );
|
||||
return;
|
||||
}
|
||||
else
|
||||
{
|
||||
virt_instr_entry->setText( 3, QString( "; { %1 }" ).arg( code_block->jcc.block_addr[ 0 ], 0, 16 ) );
|
||||
|
||||
// else if this jmp doesnt have two branches add the next code block to it...
|
||||
item->addChild( virt_instr_entry );
|
||||
add_branch_children( item, code_block->jcc.block_addr[ 0 ] );
|
||||
}
|
||||
}
|
||||
item->addChild( virt_instr_entry );
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void qvminspector_t::update_ui()
|
||||
{
|
||||
// add vm handlers to the vm handler tree...
|
||||
ui.virt_handlers_tree->clear();
|
||||
for ( auto idx = 0u; idx < vmctx->vm_handlers.size(); ++idx )
|
||||
{
|
||||
auto new_handler_entry = new qtree_widget_item_t;
|
||||
new_handler_entry->setData( 0, Qt::UserRole, idx );
|
||||
new_handler_entry->setText( 0, QString( "%1" ).arg( idx ) );
|
||||
new_handler_entry->setText(
|
||||
1, QString( "%1" ).arg(
|
||||
ABS_TO_IMG( vmctx->vm_handlers[ idx ].address, module_base, file_header->image_base ), 0, 16 ) );
|
||||
|
||||
new_handler_entry->setText( 2, vmctx->vm_handlers[ idx ].profile ? vmctx->vm_handlers[ idx ].profile->name
|
||||
: "UNDEFINED" );
|
||||
|
||||
new_handler_entry->setText( 3, QString( "%1" ).arg( vmctx->vm_handlers[ idx ].imm_size ) );
|
||||
|
||||
if ( vmctx->vm_handlers[ idx ].profile && vmctx->vm_handlers[ idx ].imm_size )
|
||||
new_handler_entry->setText( 4, vmctx->vm_handlers[ idx ].profile->extention ==
|
||||
vm::handler::extention_t::sign_extend
|
||||
? "SIGN EXTENDED"
|
||||
: "ZERO EXTENDED" );
|
||||
else
|
||||
new_handler_entry->setText( 4, "UNDEFINED" );
|
||||
|
||||
ui.virt_handlers_tree->addTopLevelItem( new_handler_entry );
|
||||
}
|
||||
ui.virt_handlers_tree->topLevelItem( 0 )->setSelected( true );
|
||||
|
||||
// for each code block insert their virtual instructions
|
||||
// into the virtual instruction tree... also put meta data about the code
|
||||
// block above the virtual instructions... if the code block has a JCC (with two branches)
|
||||
// then make a child repeating this for loop...
|
||||
|
||||
ui.virt_instrs->clear(); // clear old virtual instructions out since we are updating the UI...
|
||||
for ( auto [ code_block, code_block_num ] = std::tuple{ first_block, 0u };
|
||||
code_block_num < file_header->code_block_count;
|
||||
code_block = reinterpret_cast< vmp2::v3::code_block_t * >( reinterpret_cast< std::uintptr_t >( code_block ) +
|
||||
code_block->next_block_offset ),
|
||||
++code_block_num )
|
||||
{
|
||||
code_block_addrs.push_back( code_block->vip_begin );
|
||||
dbg_print( qstring_t( "> code block %1 (block_%2), number of vinstrs = %3..." )
|
||||
.arg( code_block_num )
|
||||
.arg( code_block->vip_begin, 0, 16 )
|
||||
.arg( code_block->vinstr_count ) );
|
||||
|
||||
// for each virtual instruction inside of this code block...
|
||||
for ( auto idx = 0u; idx < code_block->vinstr_count; ++idx )
|
||||
{
|
||||
const auto virt_instr = &code_block->vinstr[ idx ];
|
||||
const auto profile = vm::handler::get_profile( virt_instr->mnemonic_t );
|
||||
auto virt_instr_entry = new qtree_widget_item_t;
|
||||
|
||||
// virtual instruction image base'ed rva... (column 1)...
|
||||
virt_instr_entry->setText(
|
||||
0, QString( "block_%1+%2" )
|
||||
.arg( code_block->vip_begin, 0, 16 )
|
||||
.arg( idx ? code_block->vip_begin >
|
||||
( ( virt_instr->trace_data.vip - file_header->module_base ) + image_base )
|
||||
? code_block->vip_begin -
|
||||
( ( virt_instr->trace_data.vip - file_header->module_base ) + image_base )
|
||||
: ( ( virt_instr->trace_data.vip - file_header->module_base ) + image_base ) -
|
||||
code_block->vip_begin
|
||||
: 0u,
|
||||
0, 16 ) );
|
||||
|
||||
// virtual instruction operand bytes... (column 2)...
|
||||
qstring_t operand_bytes;
|
||||
operand_bytes.append( QString( "%1" ).arg( virt_instr->opcode, 0, 16 ) );
|
||||
|
||||
// if virt instruction has an imm... grab its bytes...
|
||||
if ( virt_instr->operand.has_imm )
|
||||
{
|
||||
operand_bytes.append( " - " );
|
||||
for ( auto _idx = 0u; _idx < virt_instr->operand.imm.imm_size / 8; ++_idx )
|
||||
operand_bytes.append( QString( "%1 " ).arg(
|
||||
reinterpret_cast< std::uint8_t * >( &virt_instr->operand.imm.u )[ _idx ], 0, 16 ) );
|
||||
}
|
||||
|
||||
virt_instr_entry->setText( 1, operand_bytes );
|
||||
|
||||
// virtual instruction string, includes imm... (colume 3)...
|
||||
QString decoded_instr( QString( "%1" ).arg(
|
||||
profile ? profile->name : QString( "UNK(%1)" ).arg( virt_instr->opcode, 0, 16 ) ) );
|
||||
|
||||
if ( virt_instr->operand.has_imm ) // if there is a second operand (imm) put its value...
|
||||
decoded_instr.append( QString( " %1" ).arg( virt_instr->operand.imm.u, 0, 16 ) );
|
||||
|
||||
virt_instr_entry->setText( 2, decoded_instr );
|
||||
|
||||
// add comments to the virtual instruction... (colume 4)...
|
||||
if ( virt_instr->mnemonic_t == vm::handler::LREGQ || virt_instr->mnemonic_t == vm::handler::SREGQ )
|
||||
virt_instr_entry->setText(
|
||||
3,
|
||||
QString( "; vreg%1" ).arg( virt_instr->operand.imm.u ? ( virt_instr->operand.imm.u / 8 ) : 0u ) );
|
||||
|
||||
// add virt_instr_t pointer for this current virtual instruction...
|
||||
QVariant var;
|
||||
var.setValue( virt_instr );
|
||||
virt_instr_entry->setData( 3, Qt::UserRole, var );
|
||||
|
||||
if ( virt_instr->mnemonic_t == vm::handler::JMP )
|
||||
{
|
||||
if ( code_block->jcc.type == vm::instrs::jcc_type::branching )
|
||||
{
|
||||
virt_instr_entry->setText( 3, QString( "; { %1, %2 }" )
|
||||
.arg( code_block->jcc.block_addr[ 0 ], 0, 16 )
|
||||
.arg( code_block->jcc.block_addr[ 1 ], 0, 16 ) );
|
||||
|
||||
auto branch_entry1 = new qtree_widget_item_t(), branch_entry2 = new qtree_widget_item_t();
|
||||
const auto block1_addr = code_block->jcc.block_addr[ 0 ];
|
||||
const auto block2_addr = code_block->jcc.block_addr[ 1 ];
|
||||
|
||||
branch_entry1->setText( 0, QString( "%1" ).arg( block1_addr, 0, 16 ) );
|
||||
branch_entry1->setText( 3, QString( "; block_%1" ).arg( block1_addr, 0, 16 ) );
|
||||
|
||||
branch_entry2->setText( 0, QString( "%1" ).arg( block2_addr, 0, 16 ) );
|
||||
branch_entry2->setText( 3, QString( "; block_%1" ).arg( block2_addr, 0, 16 ) );
|
||||
|
||||
add_branch_children( branch_entry1, code_block->jcc.block_addr[ 0 ] );
|
||||
add_branch_children( branch_entry2, code_block->jcc.block_addr[ 1 ] );
|
||||
|
||||
virt_instr_entry->addChildren( { branch_entry1, branch_entry2 } );
|
||||
// if its a JMP with branches we want to insert the next code block
|
||||
// instructions into the child widget entries...
|
||||
ui.virt_instrs->addTopLevelItem( virt_instr_entry );
|
||||
goto finish; // bad code...
|
||||
}
|
||||
else if ( code_block->jcc.type == vm::instrs::jcc_type::absolute )
|
||||
virt_instr_entry->setText( 3, QString( "; { %1 }" ).arg( code_block->jcc.block_addr[ 0 ], 0, 16 ) );
|
||||
}
|
||||
ui.virt_instrs->addTopLevelItem( virt_instr_entry );
|
||||
}
|
||||
}
|
||||
|
||||
finish: // bad code...
|
||||
ui.virt_instrs->topLevelItem( 0 )->setSelected( true );
|
||||
}
|
||||
@ -1,57 +0,0 @@
|
||||
#pragma once
|
||||
#define NOMINMAX
|
||||
#include <QtWidgets/QFileDialog>
|
||||
#include <QtWidgets/QInputDialog.h>
|
||||
#include <QtWidgets/QMainWindow>
|
||||
#include <QtWidgets/QMessageBox.h>
|
||||
#include <qpushbutton.h>
|
||||
#include <qtreewidget.h>
|
||||
|
||||
#include <Windows.h>
|
||||
#include <filesystem>
|
||||
#include <fstream>
|
||||
#include <vmprofiler.hpp>
|
||||
|
||||
#include "ui_qvminspector.h"
|
||||
#include <ia32.hpp>
|
||||
#include <vmprofiler.hpp>
|
||||
|
||||
#define ABS_TO_IMG( addr, mod_base, img_base ) ( addr - mod_base ) + img_base
|
||||
Q_DECLARE_METATYPE( vm::instrs::virt_instr_t * )
|
||||
|
||||
using qmain_window_t = QMainWindow;
|
||||
using qwidget_t = QWidget;
|
||||
using qstring_t = QString;
|
||||
using qfile_t = QFile;
|
||||
using qtree_widget_item_t = QTreeWidgetItem;
|
||||
using qmsg_box_t = QMessageBox;
|
||||
|
||||
class qvminspector_t : public qmain_window_t
|
||||
{
|
||||
friend class qvirt_instrs_t;
|
||||
friend class qvirt_handlers_t;
|
||||
Q_OBJECT
|
||||
public:
|
||||
qvminspector_t( qwidget_t *parent = Q_NULLPTR );
|
||||
|
||||
private slots:
|
||||
void on_open();
|
||||
void on_close();
|
||||
|
||||
private:
|
||||
void dbg_print( qstring_t DbgOutput );
|
||||
void dbg_msg( qstring_t DbgOutput );
|
||||
void update_ui();
|
||||
void add_branch_children( qtree_widget_item_t *item, std::uintptr_t branch_addr );
|
||||
bool init_data();
|
||||
|
||||
Ui::QVMProfilerClass ui;
|
||||
qstring_t file_path;
|
||||
qstring_t VMProtectedFilePath;
|
||||
std::uint64_t image_base, vm_entry_rva, module_base, image_size;
|
||||
vm::ctx_t *vmctx;
|
||||
|
||||
vmp2::v3::file_header *file_header;
|
||||
vmp2::v3::code_block_t *first_block;
|
||||
std::vector< std::uintptr_t > code_block_addrs;
|
||||
};
|
||||
Loading…
Reference in new issue