diff --git a/dependencies/vmprofiler b/dependencies/vmprofiler index e58c23c..e95ef25 160000 --- a/dependencies/vmprofiler +++ b/dependencies/vmprofiler @@ -1 +1 @@ -Subproject commit e58c23c40e13528f5d9b84feb7e23b62a886ed5a +Subproject commit e95ef2537184639e89a4dbbd38355a11ffc46bac diff --git a/src/DarkStyle/framelesswindow/framelesswindow.ui b/src/DarkStyle/framelesswindow/framelesswindow.ui index 2f413dc..7bb5ecd 100644 --- a/src/DarkStyle/framelesswindow/framelesswindow.ui +++ b/src/DarkStyle/framelesswindow/framelesswindow.ui @@ -6,8 +6,8 @@ 0 0 - 1479 - 1099 + 1737 + 1157 @@ -143,7 +143,7 @@ color:rgb(153,153,153); - VMProtect 2 - Virtual Instruction Inspector (v1.5) + VMProtect 2 - Virtual Instruction Inspector (v1.6 BETA) Qt::AlignLeading|Qt::AlignLeft|Qt::AlignVCenter diff --git a/src/QVMProfiler.cpp b/src/QVMProfiler.cpp deleted file mode 100644 index e62ad96..0000000 --- a/src/QVMProfiler.cpp +++ /dev/null @@ -1,300 +0,0 @@ -#include "QVMProfiler.h" - -QVMProfiler::QVMProfiler( QWidget *parent ) : QMainWindow( parent ), TraceFileBlob( nullptr ), VMCtx( nullptr ) -{ - ui.setupUi( this ); -} - -void QVMProfiler::on_actionCloseProgram_triggered() -{ - exit( 0 ); -} - -void QVMProfiler::on_actionOpen_VMTrace_triggered() -{ - if ( TraceFileBlob && VMCtx ) - { - free( TraceFileBlob ); - TraceFileBlob = nullptr; - TraceFileHeader = nullptr; - TraceEntryList = nullptr; - VMHandlerTable = nullptr; - - ImageBase = NULL; - VMEntryRva = NULL; - ModuleBase = NULL; - - VMHandlers.clear(); - VMEntry.clear(); - delete VMCtx; - } - - TraceFilePath = QFileDialog::getOpenFileName( this, tr( "Open Trace" ), "C:\\", tr( "VMTrace Files (*.vmp2)" ) ); - - if ( TraceFilePath.isEmpty() ) - { - DbgMessage( "Invalid Trace File... No File Selected..." ); - return; - } - - if ( !std::filesystem::exists( TraceFilePath.toStdString().c_str() ) ) - { - DbgMessage( "Trace File Doesnt Exist..." ); - return; - } - - const auto TraceFileSize = std::filesystem::file_size( TraceFilePath.toStdString().c_str() ); - - if ( !TraceFileSize ) - { - DbgMessage( "Invalid Trace File Size..." ); - return; - } - - QFile File( TraceFilePath ); - TraceFileBlob = malloc( TraceFileSize ); - DbgMessage( QString( "Loading Trace File %1..." ).arg( TraceFilePath ) ); - - if(!File.open( QIODevice::ReadOnly )) - { - DbgMessage( "Failed To Open Trace File..." ); - return; - } - - memcpy( TraceFileBlob, File.readAll().data(), TraceFileSize ); - - if ( !InitTraceData() ) - { - DbgMessage( "Failed To Init Trace Data..." ); - return; - } - - UpdateUI(); -} - -void QVMProfiler::DbgPrint( QString DbgOutput ) -{ - ui.DbgOutputWindow->appendPlainText( DbgOutput ); -} - -void QVMProfiler::DbgMessage( QString DbgOutput ) -{ - QMessageBox MsgBox; - MsgBox.setText( DbgOutput ); - MsgBox.exec(); - DbgPrint( DbgOutput ); -} - -bool QVMProfiler::InitTraceData() -{ - TraceFileHeader = reinterpret_cast< vmp2::v2::file_header * >( TraceFileBlob ); - TraceEntryList = reinterpret_cast< vmp2::v2::entry_t * >( reinterpret_cast< std::uintptr_t >( TraceFileBlob ) + - TraceFileHeader->entry_offset ); - - const auto TraceMagicBytes = &TraceFileHeader->magic; - if ( memcmp( TraceMagicBytes, "VMP2", sizeof "VMP2" - 1 ) != 0 ) - { - DbgMessage( "Trace File Magic Bytes Are Invalid...\n" ); - return false; - } - - VMEntryRva = TraceFileHeader->vm_entry_rva; - ImageBase = TraceFileHeader->image_base; - ModuleBase = reinterpret_cast< std::uintptr_t >( TraceFileHeader ) + TraceFileHeader->module_offset; - - DbgPrint( "Trace File Magic Bytes Are Valid...." ); - if ( !vm::util::flatten( VMEntry, VMEntryRva + ModuleBase ) ) - { - DbgMessage( "Failed To Flatten VMEntry...\n" ); - return false; - } - - vm::util::deobfuscate( VMEntry ); - DbgPrint( "Flattened VMEntry..." ); - DbgPrint( "Deobfuscated VMEntry..." ); - - char buffer[ 256 ]; - ZydisFormatter formatter; - ZydisFormatterInit( &formatter, ZYDIS_FORMATTER_STYLE_INTEL ); - - for ( auto &Instr : VMEntry ) - { - ZydisFormatterFormatInstruction( &formatter, &Instr.instr, buffer, sizeof( buffer ), - ( Instr.addr - TraceFileHeader->module_base ) + ImageBase ); - - DbgPrint( QString( "> %1 %2" ) - .arg( QString::number( ( Instr.addr - TraceFileHeader->module_base ) + ImageBase, 16 ) ) - .arg( buffer ) ); - } - - VMHandlerTable = vm::handler::table::get( VMEntry ); - if ( !vm::handler::get_all( ModuleBase, ImageBase, VMEntry, VMHandlerTable, VMHandlers ) ) - { - DbgMessage( "Failed To Get All VM Handler Meta Data...\n" ); - return false; - } - - DbgPrint( "Located All VM Handlers..." ); - VMCtx = new vm::vmctx_t( TraceFileHeader, TraceEntryList, VMHandlers, ModuleBase, ImageBase ); - - return true; -} - -void QVMProfiler::UpdateUI() -{ - ui.VirtualInstructionTree->clear(); - for ( auto [ VirtInstr, TraceEntry ] = VMCtx->step(); TraceEntry && !VirtInstr.empty(); - std::tie( VirtInstr, TraceEntry ) = VMCtx->step() ) - { - auto InstructionTraceData = new QTreeWidgetItem(); - InstructionTraceData->setText( - 0, QString::number( ( TraceEntry->vip - TraceFileHeader->module_base ) + ImageBase, 16 ) ); - - if ( VMHandlers[ TraceEntry->handler_idx ].imm_size ) - { - QString SecondOperandBytes; - auto numByteOperand = VMHandlers[ TraceEntry->handler_idx ].imm_size / 8; - auto spaceIdx = VirtInstr.find( " " ) + 1; - auto ImmValue = - QString( VirtInstr.substr( spaceIdx, VirtInstr.size() - spaceIdx ).c_str() ).toULongLong( nullptr, 16 ); - - for ( auto idx = 0u; idx < numByteOperand; ++idx ) - { - SecondOperandBytes.append( - QString::number( *( reinterpret_cast< std::uint8_t * >( &ImmValue ) + idx ), 16 ) ); - - SecondOperandBytes.append( " " ); - } - - InstructionTraceData->setText( - 1, QString::number( TraceEntry->handler_idx, 16 ).append( " - " ).append( SecondOperandBytes ) ); - } - else - { - // else we just put the first operand byte (vm handler index)... - InstructionTraceData->setText( 1, QString::number( TraceEntry->handler_idx, 16 ) ); - } - - InstructionTraceData->setText( 2, VirtInstr.c_str() ); - ui.VirtualInstructionTree->addTopLevelItem( InstructionTraceData ); - } - ui.VirtualInstructionTree->topLevelItem( 0 )->setSelected( true ); -} - -void QVMProfiler::on_VirtualInstructionTree_itemSelectionChanged() -{ - auto SelectedItem = ui.VirtualInstructionTree->selectedItems()[ 0 ]; - auto VIPAddr = SelectedItem->data( 0, 0 ).toString().toULongLong( nullptr, 16 ); - vmp2::v2::entry_t *Entry = nullptr; - - for ( auto idx = 0u; idx < TraceFileHeader->entry_count; ++idx ) - { - if ( ( TraceEntryList[ idx ].vip - TraceFileHeader->module_base ) + ImageBase == VIPAddr ) - { - Entry = &TraceEntryList[ idx ]; - break; - } - } - - ui.VirtualRegisterTree->topLevelItem( 0 )->setText( - 1, QString::number( ( Entry->vip - TraceFileHeader->module_base ) + ImageBase, 16 ) ); - - ui.VirtualRegisterTree->topLevelItem( 1 )->setText( 1, QString::number( Entry->regs.rbp, 16 ) ); - - ui.VirtualRegisterTree->topLevelItem( 2 )->setText( 1, QString::number( Entry->decrypt_key, 16 ) ); - - for ( auto idx = 4; idx < 28; ++idx ) - ui.VirtualRegisterTree->topLevelItem( idx )->setText( 1, QString::number( Entry->vregs.qword[ idx - 4 ], 16 ) ); - - for ( auto idx = 0u; idx < 15; ++idx ) - ui.NativeRegisterTree->topLevelItem( idx )->setText( 1, QString::number( Entry->regs.raw[ idx ], 16 ) ); - - ui.NativeRegisterTree->topLevelItem( 16 )->setText( 1, QString::number( Entry->regs.rflags, 16 ) ); - - rflags flags; - flags.flags = Entry->regs.rflags; - ui.NativeRegisterTree->topLevelItem( 16 )->child( 0 )->setText( 1, QString::number( flags.zero_flag ) ); - - ui.NativeRegisterTree->topLevelItem( 16 )->child( 1 )->setText( 1, QString::number( flags.parity_flag ) ); - - ui.NativeRegisterTree->topLevelItem( 16 )->child( 2 )->setText( 1, QString::number( flags.auxiliary_carry_flag ) ); - - ui.NativeRegisterTree->topLevelItem( 16 )->child( 3 )->setText( 1, QString::number( flags.overflow_flag ) ); - - ui.NativeRegisterTree->topLevelItem( 16 )->child( 4 )->setText( 1, QString::number( flags.sign_flag ) ); - - ui.NativeRegisterTree->topLevelItem( 16 )->child( 5 )->setText( 1, QString::number( flags.direction_flag ) ); - - ui.NativeRegisterTree->topLevelItem( 16 )->child( 6 )->setText( 1, QString::number( flags.carry_flag ) ); - - ui.NativeRegisterTree->topLevelItem( 16 )->child( 7 )->setText( 1, QString::number( flags.trap_flag ) ); - - ui.NativeRegisterTree->topLevelItem( 16 )->child( 8 )->setText( 1, QString::number( flags.interrupt_enable_flag ) ); - - ui.VirtualStackTree->clear(); - for ( auto idx = 0u; idx < sizeof( Entry->vsp ) / 8; ++idx ) - { - auto newEntry = new QTreeWidgetItem(); - newEntry->setText( 0, QString::number( Entry->regs.rbp - ( idx * 8 ), 16 ) ); - newEntry->setText( 1, QString::number( Entry->vsp.qword[ idx ], 16 ) ); - ui.VirtualStackTree->addTopLevelItem( newEntry ); - } - - ui.VMHandlerInstructionsTree->clear(); - auto InstrVec = &VMHandlers[ Entry->handler_idx ].instrs; - - char buffer[ 256 ]; - ZydisFormatter formatter; - ZydisFormatterInit( &formatter, ZYDIS_FORMATTER_STYLE_INTEL ); - - for ( auto idx = 0u; idx < InstrVec->size(); ++idx ) - { - auto newEntry = new QTreeWidgetItem(); - newEntry->setText( 0, QString::number( ( InstrVec->at( idx ).addr - ModuleBase ) + ImageBase, 16 ) ); - - ZydisFormatterFormatInstruction( &formatter, &InstrVec->at( idx ).instr, buffer, sizeof( buffer ), - ( InstrVec->at( idx ).addr - ModuleBase ) + ImageBase ); - - newEntry->setText( 1, buffer ); - ui.VMHandlerInstructionsTree->addTopLevelItem( newEntry ); - } - - ui.VMHandlerTransformationsTree->clear(); - auto HandlerTransforms = &VMHandlers[ Entry->handler_idx ].transforms; - - for ( auto [ TransformType, TransformInstr ] : *HandlerTransforms ) - { - if ( TransformType == vm::transform::type::generic0 && TransformInstr.mnemonic == ZYDIS_MNEMONIC_INVALID ) - continue; - - auto newEntry = new QTreeWidgetItem(); - switch ( TransformType ) - { - case vm::transform::type::rolling_key: - { - newEntry->setText( 0, "Key Transform" ); - break; - } - case vm::transform::type::generic0: - case vm::transform::type::generic1: - case vm::transform::type::generic2: - case vm::transform::type::generic3: - { - newEntry->setText( 0, "Generic" ); - break; - } - case vm::transform::type::update_key: - { - newEntry->setText( 0, "Update Key" ); - break; - } - default: - throw std::invalid_argument( "invalid transformation type..." ); - } - - ZydisFormatterFormatInstruction( &formatter, &TransformInstr, buffer, sizeof( buffer ), NULL ); - - newEntry->setText( 1, buffer ); - ui.VMHandlerTransformationsTree->addTopLevelItem( newEntry ); - } -} \ No newline at end of file diff --git a/src/QVMProfiler.h b/src/QVMProfiler.h deleted file mode 100644 index 61f7085..0000000 --- a/src/QVMProfiler.h +++ /dev/null @@ -1,48 +0,0 @@ -#pragma once -#include -#include -#include -#include -#include -#include -#include -#include - -#include "ia32.hpp" -#include "ui_QVMProfiler.h" -#include "vmctx.h" -#include "vmp2.hpp" - -class QVMProfiler : public QMainWindow -{ - Q_OBJECT - - public: - QVMProfiler( QWidget *parent = Q_NULLPTR ); - - private slots: - void on_actionOpen_VMTrace_triggered(); - void on_actionCloseProgram_triggered(); - void on_VirtualInstructionTree_itemSelectionChanged(); - - private: - void DbgPrint( QString DbgOutput ); - void DbgMessage( QString DbgOutput ); - void UpdateUI(); - bool InitTraceData(); - - Ui::QVMProfilerClass ui; - QString TraceFilePath; - QString VMProtectedFilePath; - std::uint64_t ImageBase, VMEntryRva, ModuleBase; - - std::vector< vm::handler::handler_t > VMHandlers; - zydis_routine_t VMEntry; - - std::uintptr_t *VMHandlerTable; - vm::vmctx_t *VMCtx; - - void *TraceFileBlob; - vmp2::v2::file_header *TraceFileHeader; - vmp2::v2::entry_t *TraceEntryList; -}; diff --git a/src/main.cpp b/src/main.cpp index 085f993..1c4cbbc 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -1,8 +1,9 @@ #include #include #include -#include "QVMProfiler.h" +#include "qvminspector.h" +#include "qvirt_instrs.h" #include "framelesswindow.h" #include "DarkStyle.h" @@ -10,9 +11,12 @@ int main(int argc, char *argv[]) { QApplication app(argc, argv); QApplication::setStyle(new DarkStyle); - FramelessWindow framelessWindow; - framelessWindow.setContent(new QVMProfiler); - framelessWindow.setWindowIcon(QIcon("icon.ico")); - framelessWindow.show(); + FramelessWindow frameless_window; + const auto window = new qvminspector_t; + qvirt_instrs_t virt_instr( window ); + + frameless_window.setContent( window ); + frameless_window.setWindowIcon(QIcon("icon.ico")); + frameless_window.show(); return app.exec(); } \ No newline at end of file diff --git a/src/qvirt_instrs.cpp b/src/qvirt_instrs.cpp new file mode 100644 index 0000000..caa1a93 --- /dev/null +++ b/src/qvirt_instrs.cpp @@ -0,0 +1,146 @@ +#include "qvirt_instrs.h" + +qvirt_instrs_t::qvirt_instrs_t( qvminspector_t *vminspector ) : vminspector( vminspector ), ui( &vminspector->ui ) +{ + connect( ui->virt_instrs, &QTreeWidget::itemSelectionChanged, this, &qvirt_instrs_t::on_select ); +} + +void qvirt_instrs_t::on_select() +{ + auto item = ui->virt_instrs->selectedItems()[ 0 ]; + const auto virt_instr = item->data( 3, Qt::UserRole ).value< vm::instrs::virt_instr_t * >(); + + if ( !virt_instr ) + return; + + update_native_regs( virt_instr ); + update_virtual_regs( virt_instr ); + update_virtual_stack( virt_instr ); + update_vm_handler_info( virt_instr ); +} + +void qvirt_instrs_t::update_native_regs( vm::instrs::virt_instr_t *virt_instr ) +{ + const auto &trace_data = virt_instr->trace_data; + + // set native register values.... + for ( auto idx = 0u; idx < 15; ++idx ) + ui->native_regs->topLevelItem( idx )->setText( 1, QString::number( trace_data.regs.raw[ idx ], 16 ) ); + + // set RFLAGs and its bits... + ui->native_regs->topLevelItem( 16 )->setText( 1, QString::number( trace_data.regs.rflags, 16 ) ); + + rflags flags; + flags.flags = trace_data.regs.rflags; + + // could probably use a for loop here and shift bits around maybe... + ui->native_regs->topLevelItem( 16 )->child( 0 )->setText( 1, QString::number( flags.zero_flag ) ); + ui->native_regs->topLevelItem( 16 )->child( 1 )->setText( 1, QString::number( flags.parity_flag ) ); + ui->native_regs->topLevelItem( 16 )->child( 2 )->setText( 1, QString::number( flags.auxiliary_carry_flag ) ); + ui->native_regs->topLevelItem( 16 )->child( 3 )->setText( 1, QString::number( flags.overflow_flag ) ); + ui->native_regs->topLevelItem( 16 )->child( 4 )->setText( 1, QString::number( flags.sign_flag ) ); + ui->native_regs->topLevelItem( 16 )->child( 5 )->setText( 1, QString::number( flags.direction_flag ) ); + ui->native_regs->topLevelItem( 16 )->child( 6 )->setText( 1, QString::number( flags.carry_flag ) ); + ui->native_regs->topLevelItem( 16 )->child( 7 )->setText( 1, QString::number( flags.trap_flag ) ); + ui->native_regs->topLevelItem( 16 )->child( 8 )->setText( 1, QString::number( flags.interrupt_enable_flag ) ); +} + +void qvirt_instrs_t::update_virtual_regs( vm::instrs::virt_instr_t *virt_instr ) +{ + const auto &trace_data = virt_instr->trace_data; + + // set VIP in virtual registers window... + ui->virt_regs->topLevelItem( 0 )->setText( + 1, + QString::number( + ( trace_data.vip - vminspector->file_header->module_base ) + vminspector->file_header->image_base, 16 ) ); + + // set VSP in virtual registers window... + ui->virt_regs->topLevelItem( 1 )->setText( 1, QString::number( trace_data.regs.rbp, 16 ) ); + + // set decrypt key in virtual registers window... + ui->virt_regs->topLevelItem( 2 )->setText( 1, QString::number( trace_data.regs.rdx, 16 ) ); + + // set the virtual register values.... + for ( auto idx = 4u; idx < 28; ++idx ) + ui->virt_regs->topLevelItem( idx )->setText( 1, QString::number( trace_data.vregs.qword[ idx - 4 ], 16 ) ); +} + +void qvirt_instrs_t::update_virtual_stack( vm::instrs::virt_instr_t *virt_instr ) +{ + ui->virt_stack->clear(); + const auto &trace_data = virt_instr->trace_data; + + for ( auto idx = 0u; idx < sizeof( trace_data.vsp ) / 8; ++idx ) + { + auto new_stack_entry = new qtree_widget_item_t(); + new_stack_entry->setText( 0, qstring_t::number( trace_data.regs.rbp + ( idx * 8 ), 16 ) ); + new_stack_entry->setText( 1, qstring_t::number( trace_data.vsp.qword[ idx ], 16 ) ); + ui->virt_stack->addTopLevelItem( new_stack_entry ); + } +} + +void qvirt_instrs_t::update_vm_handler_info( vm::instrs::virt_instr_t *virt_instr ) +{ + char buffer[ 256 ]; + ZydisFormatter formatter; + ZydisFormatterInit( &formatter, ZYDIS_FORMATTER_STYLE_INTEL ); + + ui->vm_handler_instrs->clear(); + const auto &vm_handler_instrs = vminspector->vmctx->vm_handlers[ virt_instr->opcode ].instrs; + + // display vm handler instructions... + for ( const auto &instr : vm_handler_instrs ) + { + auto new_instr = new qtree_widget_item_t(); + new_instr->setText( + 0, qstring_t::number( ( instr.addr - vminspector->module_base ) + vminspector->image_base, 16 ) ); + + ZydisFormatterFormatInstruction( &formatter, &instr.instr, buffer, sizeof( buffer ), + ( instr.addr - vminspector->module_base ) + vminspector->image_base ); + + new_instr->setText( 1, buffer ); + ui->vm_handler_instrs->addTopLevelItem( new_instr ); + } + + // display vm handler transformations... + ui->vm_handler_transforms->clear(); + const auto &vm_handler_transforms = vminspector->vmctx->vm_handlers[ virt_instr->opcode ].transforms; + + for ( auto [ transform_type, transform_instr ] : vm_handler_transforms ) + { + if ( transform_type == vm::transform::type::generic0 && transform_instr.mnemonic == ZYDIS_MNEMONIC_INVALID ) + continue; + + auto new_transform_entry = new qtree_widget_item_t(); + + switch ( transform_type ) + { + case vm::transform::type::rolling_key: + { + new_transform_entry->setText( 0, "Key Transform" ); + break; + } + case vm::transform::type::generic0: + case vm::transform::type::generic1: + case vm::transform::type::generic2: + case vm::transform::type::generic3: + { + new_transform_entry->setText( 0, "Generic" ); + break; + } + case vm::transform::type::update_key: + { + new_transform_entry->setText( 0, "Update Key" ); + break; + } + default: + throw std::invalid_argument( "invalid transformation type..." ); + } + + ZydisFormatterFormatInstruction( &formatter, &transform_instr, buffer, sizeof( buffer ), NULL ); + + new_transform_entry->setText( 1, buffer ); + ui->vm_handler_transforms->addTopLevelItem( new_transform_entry ); + } +} \ No newline at end of file diff --git a/src/qvirt_instrs.h b/src/qvirt_instrs.h new file mode 100644 index 0000000..3d4a83d --- /dev/null +++ b/src/qvirt_instrs.h @@ -0,0 +1,20 @@ +#pragma once +#include "qvminspector.h" + +class qvirt_instrs_t : public QObject +{ + Q_OBJECT + public: + explicit qvirt_instrs_t( qvminspector_t *vminspector ); + + private: + Ui::QVMProfilerClass *ui; + qvminspector_t *vminspector; + void update_native_regs( vm::instrs::virt_instr_t *virt_instr ); + void update_virtual_regs( vm::instrs::virt_instr_t *virt_instr ); + void update_virtual_stack( vm::instrs::virt_instr_t *virt_instr ); + void update_vm_handler_info( vm::instrs::virt_instr_t *virt_instr ); + + private slots: + void on_select(); +}; \ No newline at end of file diff --git a/src/qvminspector.cpp b/src/qvminspector.cpp new file mode 100644 index 0000000..85d9228 --- /dev/null +++ b/src/qvminspector.cpp @@ -0,0 +1,368 @@ +#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; + 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 ) ); + dbg_msg( qstring_t( "loading vmp2 file %1..." ).arg( file_path ) ); + + 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; + + module_base = reinterpret_cast< std::uintptr_t >( file_header ) + file_header->module_offset; + vmctx = new vm::ctx_t( module_base, image_base, image_base, 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 ) + { + // skip if this code block begin address is not branch_addr... + if ( code_block->vip_begin != branch_addr && code_block->vip_begin != branch_addr - 2 && + code_block->vip_begin != branch_addr - 1 ) + continue; + + dbg_print( qstring_t( "> code block %1 (block_%2), number of vinstrs = %3..." ) + .arg( code_block_num ) + .arg( ( code_block->vip_begin - file_header->module_base ) + file_header->image_base, 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 - file_header->module_base ) + file_header->image_base, 0, 16 ) + .arg( idx ? code_block->vip_begin > virt_instr->trace_data.vip + ? code_block->vip_begin - virt_instr->trace_data.vip + : virt_instr->trace_data.vip - 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 ) - + 1 /* zero based vreg... */ + : 0u ) ); + + QVariant var; + var.setValue( virt_instr ); + virt_instr_entry->setData( 3, Qt::UserRole, var ); + + if ( virt_instr->mnemonic_t == vm::handler::JMP && code_block->jcc.has_jcc ) + { + virt_instr_entry->setText( + 3, + QString( "; { %1, %2 }" ) + .arg( ( code_block->jcc.block_addr[ 0 ] - file_header->module_base ) + file_header->image_base, + 0, 16 ) + .arg( ( code_block->jcc.block_addr[ 1 ] - file_header->module_base ) + file_header->image_base, + 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 ] - file_header->module_base ) + file_header->image_base; + + const auto block2_addr = + ( code_block->jcc.block_addr[ 1 ] - file_header->module_base ) + file_header->image_base; + + 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 if ( virt_instr->mnemonic_t == vm::handler::JMP ) + { + virt_instr_entry->setText( 3, QString( "; { %1 }" ) + .arg( ( code_block->jcc.block_addr[ 0 ] - file_header->module_base ) + + file_header->image_base, + 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() +{ + // 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 - file_header->module_base ) + file_header->image_base ); + dbg_print( qstring_t( "> code block %1 (block_%2), number of vinstrs = %3..." ) + .arg( code_block_num ) + .arg( ( code_block->vip_begin - file_header->module_base ) + file_header->image_base, 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 - file_header->module_base ) + file_header->image_base, 0, 16 ) + .arg( idx ? code_block->vip_begin > virt_instr->trace_data.vip + ? code_block->vip_begin - virt_instr->trace_data.vip + : virt_instr->trace_data.vip - 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 && code_block->jcc.has_jcc ) + { + virt_instr_entry->setText( + 3, + QString( "; { %1, %2 }" ) + .arg( ( code_block->jcc.block_addr[ 0 ] - file_header->module_base ) + file_header->image_base, + 0, 16 ) + .arg( ( code_block->jcc.block_addr[ 1 ] - file_header->module_base ) + file_header->image_base, + 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 ] - file_header->module_base ) + file_header->image_base; + + const auto block2_addr = + ( code_block->jcc.block_addr[ 1 ] - file_header->module_base ) + file_header->image_base; + + 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 ( virt_instr->mnemonic_t == vm::handler::JMP ) + virt_instr_entry->setText( 3, QString( "; { %1 }" ) + .arg( ( code_block->jcc.block_addr[ 0 ] - file_header->module_base ) + + file_header->image_base, + 0, 16 ) ); + + ui.virt_instrs->addTopLevelItem( virt_instr_entry ); + } + } + +finish: // bad code... + ui.virt_instrs->topLevelItem( 0 )->setSelected( true ); +} \ No newline at end of file diff --git a/src/qvminspector.h b/src/qvminspector.h new file mode 100644 index 0000000..2a1133b --- /dev/null +++ b/src/qvminspector.h @@ -0,0 +1,51 @@ +#pragma once +#include +#include +#include +#include +#include +#include +#include +#include + +#include "ia32.hpp" +#include "ui_qvminspector.h" +#include "vmp2.hpp" + +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; + 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; + 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; +}; \ No newline at end of file diff --git a/src/QVMProfiler.qrc b/src/qvminspector.qrc similarity index 100% rename from src/QVMProfiler.qrc rename to src/qvminspector.qrc diff --git a/src/QVMProfiler.ui b/src/qvminspector.ui similarity index 94% rename from src/QVMProfiler.ui rename to src/qvminspector.ui index 934fade..3288c04 100644 --- a/src/QVMProfiler.ui +++ b/src/qvminspector.ui @@ -6,7 +6,7 @@ 0 0 - 1220 + 1606 1038 @@ -49,15 +49,15 @@ 0 0 - 556 + 759 777 - + - 120 + 160 @@ -74,6 +74,11 @@ Virtual Instruction + + + Comments + + @@ -96,7 +101,7 @@ - + 65 @@ -256,7 +261,7 @@ - + 70 @@ -421,13 +426,13 @@ 0 0 - 556 + 739 225 - + Stack Pointer @@ -460,7 +465,7 @@ - + Address @@ -483,7 +488,7 @@ - + Address @@ -515,7 +520,7 @@ 0 0 - 1220 + 1606 21 @@ -523,8 +528,8 @@ File - - + + @@ -556,7 +561,7 @@ - + true @@ -575,12 +580,12 @@ Close - + Open Trace - + Close @@ -588,7 +593,7 @@ - + diff --git a/src/vmctx.cpp b/src/vmctx.cpp deleted file mode 100644 index 3fae6f1..0000000 --- a/src/vmctx.cpp +++ /dev/null @@ -1,87 +0,0 @@ -#include "vmctx.h" - -namespace vm -{ - vmctx_t::vmctx_t( vmp2::v2::file_header *file_header, vmp2::v2::entry_t *entry_list, - std::vector< vm::handler::handler_t > &vm_handlers, std::uintptr_t module_base, std::uintptr_t image_base ) - : module_base( module_base ), image_base( image_base ), entry_list( entry_list ), file_header( file_header ), - vm_handlers( vm_handlers ), idx( 0 ) - {} - - std::pair< std::string, const vmp2::v2::entry_t * > vmctx_t::step() const - { - if ( idx >= file_header->entry_count ) - return {}; - - auto vm_handler = vm_handlers[ entry_list[ idx ].handler_idx ]; - - if ( vm_handler.imm_size ) - { - const auto operand = get_imm( file_header->advancement, entry_list[ idx ].vip, vm_handler.imm_size / 8 ); - - auto [ decrypted_operand, rolling_key ] = - vm::instrs::decrypt_operand( vm_handler.transforms, operand, entry_list[ idx ].decrypt_key ); - - if ( vm_handler.profile ) - { - if ( vm_handler.profile->extention == vm::handler::extention_t::sign_extend ) - { - switch ( vm_handler.imm_size ) - { - case 8: - if ( ( u8 )( decrypted_operand >> 7 ) ) - decrypted_operand += ~0xFFull; - break; - case 16: - if ( ( u16 )( decrypted_operand >> 15 ) ) - decrypted_operand += ~0xFFFFull; - break; - case 32: - if ( ( u32 )( decrypted_operand >> 31 ) ) - decrypted_operand += ~0xFFFFFFFFull; - break; - default: - throw std::invalid_argument( "invalid imm size for sign extention...\n" ); - } - } - } - - char buff[ 256 ]; - if ( vm_handler.profile ) - snprintf( buff, sizeof buff, "%s 0x%p", vm_handler.profile->name, decrypted_operand ); - else - snprintf( buff, sizeof buff, "UNK(%d) 0x%p", entry_list[ idx ].handler_idx, decrypted_operand ); - - return { buff, &entry_list[ idx++ ] }; - } - - if ( vm_handler.profile ) - return { vm_handler.profile->name, &entry_list[ idx++ ] }; - - char buff[ 256 ]; - snprintf( buff, sizeof buff, "UNK(%d)", entry_list[ idx ].handler_idx ); - return { buff, &entry_list[ idx++ ] }; - } - - std::uintptr_t vmctx_t::get_imm( vmp2::exec_type_t exec_type_t, std::uint32_t vip_offset, - std::uint8_t imm_size ) const - { - std::uintptr_t operand = 0u; - if ( file_header->advancement == vmp2::exec_type_t::forward ) - { - const auto operand_ptr = - reinterpret_cast< void * >( ( entry_list[ idx ].vip - file_header->module_base ) + module_base ); - - memcpy( &operand, operand_ptr, imm_size ); - } - else - { - const auto operand_ptr = reinterpret_cast< void * >( - ( ( entry_list[ idx ].vip - file_header->module_base ) + module_base ) - imm_size ); - - memcpy( &operand, operand_ptr, imm_size ); - } - - return operand; - } -} // namespace vm \ No newline at end of file diff --git a/src/vmctx.h b/src/vmctx.h deleted file mode 100644 index 58cd9b6..0000000 --- a/src/vmctx.h +++ /dev/null @@ -1,24 +0,0 @@ -#pragma once -#include - -namespace vm -{ - class vmctx_t - { - public: - explicit vmctx_t( vmp2::v2::file_header *file_header, vmp2::v2::entry_t *entry_list, - std::vector< vm::handler::handler_t > &vm_handlers, std::uintptr_t module_base, - std::uintptr_t image_base ); - - std::pair< std::string, const vmp2::v2::entry_t * > step() const; - - private: - std::uintptr_t get_imm( vmp2::exec_type_t exec_type_t, std::uint32_t vip_offset, std::uint8_t imm_size ) const; - - mutable std::uint32_t idx; - const std::uintptr_t image_base, module_base; - const vmp2::v2::entry_t *entry_list; - const vmp2::v2::file_header *file_header; - std::vector< vm::handler::handler_t > vm_handlers; - }; -} // namespace vm \ No newline at end of file diff --git a/src/vmprofiler-qt.vcxproj b/src/vmprofiler-qt.vcxproj index b797c36..13a199e 100644 --- a/src/vmprofiler-qt.vcxproj +++ b/src/vmprofiler-qt.vcxproj @@ -103,21 +103,20 @@ - + + - + - - + + - - @@ -170,6 +169,7 @@ + diff --git a/src/vmprofiler-qt.vcxproj.filters b/src/vmprofiler-qt.vcxproj.filters index dda7c68..fd82560 100644 --- a/src/vmprofiler-qt.vcxproj.filters +++ b/src/vmprofiler-qt.vcxproj.filters @@ -1,9 +1,6 @@  - - Source Files - Source Files @@ -16,7 +13,10 @@ Source Files\DarkStyle - + + Source Files + + Source Files @@ -62,28 +62,25 @@ - - Resource Files - Resource Files Resource Files + + Resource Files + - + Resource Files - + Resource Files - - Header Files - Header Files\DarkStyle\framelesswindow @@ -93,6 +90,12 @@ Header Files\DarkStyle + + Header Files + + + Header Files + @@ -245,9 +248,6 @@ Header Files - - Header Files -