vmp2
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vmprofiler-qt
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ported the project to linux

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master
IDontCode 3 years ago
parent 3a4a3781e0
commit 716c8fa5e1
6 changed files with 578 additions and 369 deletions
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4
CMakeLists.txt
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@ -119,10 +119,6 @@ target_link_libraries(vmprofiler-qt PRIVATE
vmprofiler vmprofiler
) )
target_link_options(vmprofiler-qt PRIVATE
"/SUBSYSTEM:WINDOWS"
)
# Enable Qt moc/rrc/uic support # Enable Qt moc/rrc/uic support
target_qt(${CMKR_TARGET}) target_qt(${CMKR_TARGET})
# Copy Qt DLLs next to the application # Copy Qt DLLs next to the application

1
cmake.toml
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@ -38,7 +38,6 @@ compile-definitions = [
] ]
link-libraries = ["Qt5::Widgets", "vmprofiler"] link-libraries = ["Qt5::Widgets", "vmprofiler"]
link-options = ["/SUBSYSTEM:WINDOWS"]
cmake-after = """ cmake-after = """
# Enable Qt moc/rrc/uic support # Enable Qt moc/rrc/uic support

2
dependencies/vmprofiler vendored

@ -1 +1 @@
Subproject commit 051140175db16b38acee882cfca714b4a1000a41 Subproject commit bf2d6acba03a81e07371fc169d26744992455571

17
src/main.cpp
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@ -10,19 +10,18 @@
#include "qvm_virtual_instructions.h" #include "qvm_virtual_instructions.h"
#include "qvm_virtual_routines.h" #include "qvm_virtual_routines.h"
int WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nShowCmd ) int main(int argc, char** argv) {
{ QApplication app(argc, argv);
QApplication app( __argc, __argv ); QApplication::setStyle(new DarkStyle);
QApplication::setStyle( new DarkStyle );
FramelessWindow FW; FramelessWindow FW;
auto g_main_window = new qvm_inspector; auto g_main_window = new qvm_inspector;
qvm_virtual_instructions virt_instrs_panel( g_main_window ); qvm_virtual_instructions virt_instrs_panel(g_main_window);
qvm_handlers virt_handler_panel( g_main_window ); qvm_handlers virt_handler_panel(g_main_window);
qvm_virtual_routines virt_routine_panel( g_main_window ); qvm_virtual_routines virt_routine_panel(g_main_window);
FW.setContent( g_main_window ); FW.setContent(g_main_window);
FW.setWindowIcon( QIcon( "icon.ico" ) ); FW.setWindowIcon(QIcon("icon.ico"));
FW.show(); FW.show();
return app.exec(); return app.exec();
} }

426
src/qvm_inspector.cpp
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@ -1,111 +1,99 @@
#include "qvm_inspector.h" #include "qvm_inspector.h"
qvm_inspector::qvm_inspector( QWidget *parent ) : QMainWindow( parent ), file_header( nullptr ), g_vm_ctx( nullptr ) qvm_inspector::qvm_inspector(QWidget *parent)
{ : QMainWindow(parent), file_header(nullptr), g_vm_ctx(nullptr) {
ui.setupUi( this ); ui.setupUi(this);
ui.virt_instrs->setColumnWidth( 0, 125 ); ui.virt_instrs->setColumnWidth(0, 125);
ui.virt_instrs->setColumnWidth( 1, 150 ); ui.virt_instrs->setColumnWidth(1, 150);
ui.virt_instrs->setColumnWidth( 2, 190 ); ui.virt_instrs->setColumnWidth(2, 190);
ui.virt_instrs->setColumnWidth( 3, 200 ); ui.virt_instrs->setColumnWidth(3, 200);
ui.virtual_machine_enters->setColumnWidth( 0, 180 ); ui.virtual_machine_enters->setColumnWidth(0, 180);
connect( ui.action_open, &QAction::triggered, this, &qvm_inspector::on_open ); connect(ui.action_open, &QAction::triggered, this, &qvm_inspector::on_open);
connect( ui.action_close, &QAction::triggered, this, &qvm_inspector::on_close ); connect(ui.action_close, &QAction::triggered, this, &qvm_inspector::on_close);
} }
void qvm_inspector::on_close() void qvm_inspector::on_close() { exit(0); }
{
exit( 0 );
}
void qvm_inspector::on_open() void qvm_inspector::on_open() {
{ if (file_header) free(file_header);
if ( file_header )
free( file_header );
file_header = nullptr; file_header = nullptr;
img_base = 0u, module_base = 0u; img_base = 0u, module_base = 0u;
auto file_path = QFileDialog::getOpenFileName( auto file_path = QFileDialog::getOpenFileName(
this, tr( "open vmp2 file" ), std::filesystem::current_path().string().c_str(), tr( "vmp2 file (*.vmp2)" ) ); this, tr("open vmp2 file"),
std::filesystem::current_path().string().c_str(),
tr("vmp2 file (*.vmp2)"));
if ( file_path.isEmpty() ) if (file_path.isEmpty()) {
{ dbg_msg("invalid vmp2 file... no file selected...");
dbg_msg( "invalid vmp2 file... no file selected..." );
return; return;
} }
if ( !std::filesystem::exists( file_path.toStdString() ) ) if (!std::filesystem::exists(file_path.toStdString())) {
{ dbg_msg("vmp2 file does not exist...");
dbg_msg( "vmp2 file does not exist..." );
return; return;
} }
const auto file_size = std::filesystem::file_size( file_path.toStdString() ); const auto file_size = std::filesystem::file_size(file_path.toStdString());
if ( !file_size ) if (!file_size) {
{ dbg_msg("invalid vmp2 file size...");
dbg_msg( "invalid vmp2 file size..." );
return; return;
} }
QFile open_file( file_path ); QFile open_file(file_path);
file_header = reinterpret_cast< vmp2::v4::file_header * >( malloc( file_size ) ); file_header = reinterpret_cast<vmp2::v4::file_header *>(malloc(file_size));
if ( !open_file.open( QIODevice::ReadOnly ) ) if (!open_file.open(QIODevice::ReadOnly)) {
{ dbg_msg("failed to open vmp2 file...");
dbg_msg( "failed to open vmp2 file..." );
return; return;
} }
memcpy( file_header, open_file.readAll().data(), file_size ); memcpy(file_header, open_file.readAll().data(), file_size);
if ( !init_data() ) if (!init_data()) {
{ dbg_msg("failed to init vmp2 file data...");
dbg_msg( "failed to init vmp2 file data..." );
return; return;
} }
} }
void qvm_inspector::dbg_print( QString dbg_output ) void qvm_inspector::dbg_print(QString dbg_output) {
{ ui.dbg_output_window->appendPlainText(dbg_output);
ui.dbg_output_window->appendPlainText( dbg_output );
} }
void qvm_inspector::dbg_msg( QString dbg_output ) void qvm_inspector::dbg_msg(QString dbg_output) {
{
QMessageBox msg_box; QMessageBox msg_box;
msg_box.setText( dbg_output ); msg_box.setText(dbg_output);
msg_box.exec(); msg_box.exec();
dbg_print( dbg_output ); dbg_print(dbg_output);
} }
bool qvm_inspector::init_data() bool qvm_inspector::init_data() {
{ if (file_header->magic != VMP_MAGIC) {
if ( file_header->magic != VMP_MAGIC ) dbg_msg("invalid magic bytes for vmp2 file...");
{
dbg_msg( "invalid magic bytes for vmp2 file..." );
return false; return false;
} }
dbg_print( "valid magic bytes for vmp2 file..." ); dbg_print("valid magic bytes for vmp2 file...");
if ( file_header->version != vmp2::version_t::v4 ) if (file_header->version != vmp2::version_t::v4) {
{ dbg_msg(
dbg_msg( "invalid vmp2 file version... " "invalid vmp2 file version... "
"this vminspector is compiled for version 4...\n" ); "this vminspector is compiled for version 4...\n");
return false; return false;
} }
img_base = file_header->image_base; img_base = file_header->image_base;
img_size = file_header->module_size; img_size = file_header->module_size;
module_base = reinterpret_cast< std::uintptr_t >( file_header ) + file_header->module_offset; module_base = reinterpret_cast<std::uintptr_t>(file_header) +
file_header->module_offset;
if ( !serialize_vmp2( virt_rtns ) ) if (!serialize_vmp2(virt_rtns)) {
{ dbg_msg("failed to serialize vmp2 file format...\n");
dbg_msg( "failed to serialize vmp2 file format...\n" );
return false; return false;
} }
@ -113,225 +101,242 @@ bool qvm_inspector::init_data()
return true; return true;
} }
void qvm_inspector::update_ui() void qvm_inspector::update_ui() {
{
ui.virtual_machine_enters->clear(); ui.virtual_machine_enters->clear();
for ( auto &[ rtn_rva, rtn_blks ] : virt_rtns ) for (auto &[rtn_rva, rtn_blks] : virt_rtns) {
{
auto new_item = new QTreeWidgetItem(); auto new_item = new QTreeWidgetItem();
new_item->setText( 0, QString( "rtn_%1" ).arg( rtn_rva + file_header->image_base, 0, 16 ) ); new_item->setText(
new_item->setText( 1, QString( "%1" ).arg( rtn_rva + file_header->image_base, 0, 16 ) ); 0, QString("rtn_%1").arg(rtn_rva + file_header->image_base, 0, 16));
new_item->setText( 2, QString( "%1" ).arg( rtn_blks.size() ) ); new_item->setText(
new_item->setData( 0, Qt::UserRole, QVariant( rtn_rva ) ); 1, QString("%1").arg(rtn_rva + file_header->image_base, 0, 16));
new_item->setText(2, QString("%1").arg(rtn_blks.size()));
std::for_each( rtn_blks.begin(), rtn_blks.end(), [ & ]( vm::instrs::code_block_t &code_blk ) { new_item->setData(0, Qt::UserRole, QVariant(rtn_rva));
std::for_each(
rtn_blks.begin(), rtn_blks.end(),
[&](vm::instrs::code_block_t &code_blk) {
auto new_child = new QTreeWidgetItem(); auto new_child = new QTreeWidgetItem();
new_child->setText( 0, QString( "blk_%1" ).arg( code_blk.vip_begin, 0, 16 ) ); new_child->setText(0,
new_child->setText( 1, QString( "%1" ).arg( code_blk.vip_begin, 0, 16 ) ); QString("blk_%1").arg(code_blk.vip_begin, 0, 16));
new_child->setText( 2, QString( "%1" ).arg( code_blk.vinstrs.size() ) ); new_child->setText(1, QString("%1").arg(code_blk.vip_begin, 0, 16));
new_item->addChild( new_child ); new_child->setText(2, QString("%1").arg(code_blk.vinstrs.size()));
} ); new_item->addChild(new_child);
});
ui.virtual_machine_enters->addTopLevelItem( new_item );
ui.virtual_machine_enters->addTopLevelItem(new_item);
} }
} }
bool qvm_inspector::serialize_vmp2( std::vector< rtn_data_t > &virt_rtns ) bool qvm_inspector::serialize_vmp2(std::vector<rtn_data_t> &virt_rtns) {
{ if (file_header->version != vmp2::version_t::v4) {
if ( file_header->version != vmp2::version_t::v4 ) std::printf("[!] invalid vmp2 file version... this build uses v3...\n");
{
std::printf( "[!] invalid vmp2 file version... this build uses v3...\n" );
return false; return false;
} }
auto first_rtn = reinterpret_cast< vmp2::v4::rtn_t * >( reinterpret_cast< std::uintptr_t >( file_header ) + auto first_rtn = reinterpret_cast<vmp2::v4::rtn_t *>(
file_header->rtn_offset ); reinterpret_cast<std::uintptr_t>(file_header) + file_header->rtn_offset);
for ( auto [ rtn_block, rtn_idx ] = std::pair{ first_rtn, 0ull }; rtn_idx < file_header->rtn_count; for (auto [rtn_block, rtn_idx] = std::pair{first_rtn, 0ull};
++rtn_idx, rtn_block = reinterpret_cast< vmp2::v4::rtn_t * >( rtn_idx < file_header->rtn_count;
reinterpret_cast< std::uintptr_t >( rtn_block ) + rtn_block->size ) ) ++rtn_idx, rtn_block = reinterpret_cast<vmp2::v4::rtn_t *>(
{ reinterpret_cast<std::uintptr_t>(rtn_block) +
virt_rtns.push_back( { rtn_block->vm_enter_offset, {} } ); rtn_block->size)) {
for ( auto [ code_block, block_idx ] = std::pair{ &rtn_block->code_blocks[ 0 ], 0ull }; virt_rtns.push_back({rtn_block->vm_enter_offset, {}});
for (auto [code_block, block_idx] =
std::pair{&rtn_block->code_blocks[0], 0ull};
block_idx < rtn_block->code_block_count; block_idx < rtn_block->code_block_count;
++block_idx, code_block = reinterpret_cast< vmp2::v4::code_block_t * >( ++block_idx, code_block = reinterpret_cast<vmp2::v4::code_block_t *>(
reinterpret_cast< std::uintptr_t >( code_block ) + code_block->next_block_offset ) ) reinterpret_cast<std::uintptr_t>(code_block) +
{ code_block->next_block_offset)) {
auto block_vinstrs = reinterpret_cast< vm::instrs::virt_instr_t * >( auto block_vinstrs = reinterpret_cast<vm::instrs::virt_instr_t *>(
reinterpret_cast< std::uintptr_t >( code_block ) + sizeof vmp2::v4::code_block_t + reinterpret_cast<std::uintptr_t>(code_block) +
( code_block->num_block_addrs * 8 ) ); sizeof(vmp2::v4::code_block_t) + (code_block->num_block_addrs * 8));
vm::instrs::code_block_t _code_block{ code_block->vip_begin }; vm::instrs::code_block_t _code_block{code_block->vip_begin};
_code_block.jcc.has_jcc = code_block->has_jcc; _code_block.jcc.has_jcc = code_block->has_jcc;
_code_block.jcc.type = code_block->jcc_type; _code_block.jcc.type = code_block->jcc_type;
for ( auto idx = 0u; idx < code_block->num_block_addrs; ++idx ) for (auto idx = 0u; idx < code_block->num_block_addrs; ++idx)
_code_block.jcc.block_addr.push_back( code_block->branch_addr[ idx ] ); _code_block.jcc.block_addr.push_back(code_block->branch_addr[idx]);
for ( auto idx = 0u; idx < code_block->vinstr_count; ++idx ) for (auto idx = 0u; idx < code_block->vinstr_count; ++idx)
_code_block.vinstrs.push_back( block_vinstrs[ idx ] ); _code_block.vinstrs.push_back(block_vinstrs[idx]);
virt_rtns.back().rtn_blks.push_back( _code_block ); virt_rtns.back().rtn_blks.push_back(_code_block);
} }
} }
return true; return true;
} }
void qvm_inspector::update_virtual_instructions( std::uintptr_t rtn_addr, std::uintptr_t blk_addr, void qvm_inspector::update_virtual_instructions(std::uintptr_t rtn_addr,
QTreeWidgetItem *parent ) std::uintptr_t blk_addr,
{ QTreeWidgetItem *parent) {
auto _rtn = std::find_if( virt_rtns.begin(), virt_rtns.end(), auto _rtn = std::find_if(
[ & ]( rtn_data_t &rtn ) -> bool { return rtn.rtn_rva == rtn_addr; } ); virt_rtns.begin(), virt_rtns.end(),
[&](rtn_data_t &rtn) -> bool { return rtn.rtn_rva == rtn_addr; });
if ( _rtn == virt_rtns.end() ) if (_rtn == virt_rtns.end()) return;
return;
auto code_blk = blk_addr ? std::find_if( _rtn->rtn_blks.begin(), _rtn->rtn_blks.end(), auto code_blk =
[ & ]( const vm::instrs::code_block_t &code_block ) -> bool { blk_addr ? std::find_if(
_rtn->rtn_blks.begin(), _rtn->rtn_blks.end(),
[&](const vm::instrs::code_block_t &code_block) -> bool {
return code_block.vip_begin == blk_addr; return code_block.vip_begin == blk_addr;
} ) })
: _rtn->rtn_blks.begin(); : _rtn->rtn_blks.begin();
if ( code_blk == _rtn->rtn_blks.end() ) if (code_blk == _rtn->rtn_blks.end()) return;
return;
if ( std::find( code_block_addrs.begin(), code_block_addrs.end(), code_blk->vip_begin ) != code_block_addrs.end() ) if (std::find(code_block_addrs.begin(), code_block_addrs.end(),
code_blk->vip_begin) != code_block_addrs.end())
return; return;
code_block_addrs.push_back( code_blk->vip_begin ); code_block_addrs.push_back(code_blk->vip_begin);
for ( auto &vinstr : code_blk->vinstrs ) for (auto &vinstr : code_blk->vinstrs) {
{ const auto profile = vm::handler::get_profile(vinstr.mnemonic_t);
const auto profile = vm::handler::get_profile( vinstr.mnemonic_t );
auto virt_instr_entry = new QTreeWidgetItem(); auto virt_instr_entry = new QTreeWidgetItem();
// virtual instruction image base'ed rva... (column 1)... // virtual instruction image base'ed rva... (column 1)...
virt_instr_entry->setText( virt_instr_entry->setText(
0, QString( "0x%1" ).arg( QString::number( 0, QString("0x%1").arg(QString::number(
( vinstr.trace_data.vip - file_header->module_base ) + file_header->image_base, 16 ) ) ); (vinstr.trace_data.vip - file_header->module_base) +
file_header->image_base,
16)));
// virtual instruction operand bytes... (column 2)... // virtual instruction operand bytes... (column 2)...
QString operand_bytes; QString operand_bytes;
operand_bytes.append( QString( "%1" ).arg( vinstr.opcode, 0, 16 ) ); operand_bytes.append(QString("%1").arg(vinstr.opcode, 0, 16));
// if virt instruction has an imm... grab its bytes... // if virt instruction has an imm... grab its bytes...
if ( vinstr.operand.has_imm ) if (vinstr.operand.has_imm) {
{ operand_bytes.append(" - ");
operand_bytes.append( " - " ); for (auto _idx = 0u; _idx < vinstr.operand.imm.imm_size / 8; ++_idx)
for ( auto _idx = 0u; _idx < vinstr.operand.imm.imm_size / 8; ++_idx ) operand_bytes.append(QString("%1 ").arg(
operand_bytes.append( QString( "%1 " ).arg( reinterpret_cast<const std::uint8_t *>(&vinstr.operand.imm.u)[_idx],
reinterpret_cast< const std::uint8_t * >( &vinstr.operand.imm.u )[ _idx ], 0, 16 ) ); 0, 16));
} }
virt_instr_entry->setText( 1, operand_bytes ); virt_instr_entry->setText(1, operand_bytes);
// virtual instruction string, includes imm... (colume 3)... // virtual instruction string, includes imm... (colume 3)...
QString decoded_instr( QString decoded_instr(QString("%1").arg(
QString( "%1" ).arg( profile ? profile->name : QString( "UNK(%1)" ).arg( vinstr.opcode, 0, 16 ) ) ); profile ? profile->name
: QString("UNK(%1)").arg(vinstr.opcode, 0, 16)));
if ( vinstr.operand.has_imm ) // if there is a second operand (imm) put its value... if (vinstr.operand
decoded_instr.append( QString( " %1" ).arg( vinstr.operand.imm.u, 0, 16 ) ); .has_imm) // if there is a second operand (imm) put its value...
decoded_instr.append(QString(" %1").arg(vinstr.operand.imm.u, 0, 16));
virt_instr_entry->setText( 2, decoded_instr ); virt_instr_entry->setText(2, decoded_instr);
// add comments to the virtual instruction... (colume 4)... // add comments to the virtual instruction... (colume 4)...
if ( vinstr.mnemonic_t == vm::handler::LREGQ || vinstr.mnemonic_t == vm::handler::SREGQ ) if (vinstr.mnemonic_t == vm::handler::LREGQ ||
vinstr.mnemonic_t == vm::handler::SREGQ)
virt_instr_entry->setText( virt_instr_entry->setText(
3, QString( "; vreg%1" ).arg( vinstr.operand.imm.u ? ( vinstr.operand.imm.u / 8 ) : 0u ) ); 3, QString("; vreg%1")
.arg(vinstr.operand.imm.u ? (vinstr.operand.imm.u / 8) : 0u));
if ( vinstr.mnemonic_t == vm::handler::JMP )
{ if (vinstr.mnemonic_t == vm::handler::JMP) {
switch ( code_blk->jcc.type ) switch (code_blk->jcc.type) {
{ case vm::instrs::jcc_type::branching: {
case vm::instrs::jcc_type::branching: virt_instr_entry->setText(
{ 3, QString("; { 0x%1, 0x%2 }")
virt_instr_entry->setText( 3, QString( "; { 0x%1, 0x%2 }" ) .arg(code_blk->jcc.block_addr[0], 0, 16)
.arg( code_blk->jcc.block_addr[ 0 ], 0, 16 ) .arg(code_blk->jcc.block_addr[1], 0, 16));
.arg( code_blk->jcc.block_addr[ 1 ], 0, 16 ) );
auto entry_rva =
auto entry_rva = g_vm_ctx->vm_handlers[ vinstr.opcode ].address - module_base; g_vm_ctx->vm_handlers[vinstr.opcode].address - module_base;
auto branch_entry1 = new QTreeWidgetItem(), branch_entry2 = new QTreeWidgetItem(); auto branch_entry1 = new QTreeWidgetItem(),
const auto block1_addr = code_blk->jcc.block_addr[ 0 ]; branch_entry2 = new QTreeWidgetItem();
const auto block2_addr = code_blk->jcc.block_addr[ 1 ]; const auto block1_addr = code_blk->jcc.block_addr[0];
const auto block2_addr = code_blk->jcc.block_addr[1];
branch_entry1->setText( 0, QString( "0x%1" ).arg( block1_addr, 0, 16 ) );
branch_entry1->setText( 3, QString( "; blk_0x%1" ).arg( block1_addr, 0, 16 ) ); branch_entry1->setText(0, QString("0x%1").arg(block1_addr, 0, 16));
branch_entry1->setText(3,
branch_entry2->setText( 0, QString( "0x%1" ).arg( block2_addr, 0, 16 ) ); QString("; blk_0x%1").arg(block1_addr, 0, 16));
branch_entry2->setText( 3, QString( "; blk_0x%1" ).arg( block2_addr, 0, 16 ) );
branch_entry2->setText(0, QString("0x%1").arg(block2_addr, 0, 16));
if ( g_vm_ctx ) branch_entry2->setText(3,
delete g_vm_ctx; QString("; blk_0x%1").arg(block2_addr, 0, 16));
if ( !( g_vm_ctx = new vm::ctx_t( module_base, img_base, img_size, entry_rva ) )->init() ) if (g_vm_ctx) delete g_vm_ctx;
{
dbg_print( QString( "> failed to init vm::ctx_t for jmp at = %1..." ) if (!(g_vm_ctx =
.arg( QString::number( code_blk->vip_begin, 16 ) ) ); new vm::ctx_t(module_base, img_base, img_size, entry_rva))
->init()) {
dbg_print(QString("> failed to init vm::ctx_t for jmp at = %1...")
.arg(QString::number(code_blk->vip_begin, 16)));
return; return;
} }
update_virtual_instructions( rtn_addr, code_blk->jcc.block_addr[ 0 ], branch_entry1 ); update_virtual_instructions(rtn_addr, code_blk->jcc.block_addr[0],
branch_entry1);
if ( g_vm_ctx ) if (g_vm_ctx) delete g_vm_ctx;
delete g_vm_ctx;
if ( !( g_vm_ctx = new vm::ctx_t( module_base, img_base, img_size, entry_rva ) )->init() ) if (!(g_vm_ctx =
{ new vm::ctx_t(module_base, img_base, img_size, entry_rva))
dbg_print( QString( "> failed to init vm::ctx_t for jmp at = %1..." ) ->init()) {
.arg( QString::number( code_blk->vip_begin, 16 ) ) ); dbg_print(QString("> failed to init vm::ctx_t for jmp at = %1...")
.arg(QString::number(code_blk->vip_begin, 16)));
return; return;
} }
update_virtual_instructions( rtn_addr, code_blk->jcc.block_addr[ 1 ], branch_entry2 ); update_virtual_instructions(rtn_addr, code_blk->jcc.block_addr[1],
virt_instr_entry->addChildren( { branch_entry1, branch_entry2 } ); branch_entry2);
virt_instr_entry->addChildren({branch_entry1, branch_entry2});
break; break;
} }
case vm::instrs::jcc_type::absolute: case vm::instrs::jcc_type::absolute: {
{ auto entry_rva =
auto entry_rva = g_vm_ctx->vm_handlers[ vinstr.opcode ].address - module_base; g_vm_ctx->vm_handlers[vinstr.opcode].address - module_base;
virt_instr_entry->setText( 3, QString( "; { 0x%1 }" ).arg( code_blk->jcc.block_addr[ 0 ], 0, 16 ) ); virt_instr_entry->setText(
3, QString("; { 0x%1 }").arg(code_blk->jcc.block_addr[0], 0, 16));
if ( g_vm_ctx )
delete g_vm_ctx; if (g_vm_ctx) delete g_vm_ctx;
if ( !( g_vm_ctx = new vm::ctx_t( module_base, img_base, img_size, entry_rva ) )->init() ) if (!(g_vm_ctx =
{ new vm::ctx_t(module_base, img_base, img_size, entry_rva))
dbg_print( QString( "> failed to init vm::ctx_t for jmp at = %1..." ) ->init()) {
.arg( QString::number( code_blk->vip_begin, 16 ) ) ); dbg_print(QString("> failed to init vm::ctx_t for jmp at = %1...")
.arg(QString::number(code_blk->vip_begin, 16)));
return; return;
} }
auto branch_entry1 = new QTreeWidgetItem(); auto branch_entry1 = new QTreeWidgetItem();
branch_entry1->setText( 0, QString( "0x%1" ).arg( code_blk->jcc.block_addr[ 0 ], 0, 16 ) ); branch_entry1->setText(
branch_entry1->setText( 3, QString( "; blk_0x%1" ).arg( code_blk->jcc.block_addr[ 0 ], 0, 16 ) ); 0, QString("0x%1").arg(code_blk->jcc.block_addr[0], 0, 16));
update_virtual_instructions( rtn_addr, code_blk->jcc.block_addr[ 0 ], branch_entry1 ); branch_entry1->setText(
virt_instr_entry->addChild( branch_entry1 ); 3, QString("; blk_0x%1").arg(code_blk->jcc.block_addr[0], 0, 16));
update_virtual_instructions(rtn_addr, code_blk->jcc.block_addr[0],
branch_entry1);
virt_instr_entry->addChild(branch_entry1);
break; break;
} }
case vm::instrs::jcc_type::switch_case: case vm::instrs::jcc_type::switch_case: {
{ auto entry_rva =
auto entry_rva = g_vm_ctx->vm_handlers[ vinstr.opcode ].address - module_base; g_vm_ctx->vm_handlers[vinstr.opcode].address - module_base;
if ( g_vm_ctx ) if (g_vm_ctx) delete g_vm_ctx;
delete g_vm_ctx;
if ( !( g_vm_ctx = new vm::ctx_t( module_base, img_base, img_size, entry_rva ) )->init() ) if (!(g_vm_ctx =
{ new vm::ctx_t(module_base, img_base, img_size, entry_rva))
dbg_print( QString( "> failed to init vm::ctx_t for jmp at = %1..." ) ->init()) {
.arg( QString::number( code_blk->vip_begin, 16 ) ) ); dbg_print(QString("> failed to init vm::ctx_t for jmp at = %1...")
.arg(QString::number(code_blk->vip_begin, 16)));
return; return;
} }
for ( auto branch_addr : code_blk->jcc.block_addr ) for (auto branch_addr : code_blk->jcc.block_addr) {
{ virt_instr_entry->setText(3, QString("; switch case"));
virt_instr_entry->setText( 3, QString( "; switch case" ) );
auto branch_entry = new QTreeWidgetItem(); auto branch_entry = new QTreeWidgetItem();
branch_entry->setText( 0, QString( "0x%1" ).arg( branch_addr, 0, 16 ) ); branch_entry->setText(0, QString("0x%1").arg(branch_addr, 0, 16));
update_virtual_instructions( rtn_addr, branch_addr, branch_entry ); update_virtual_instructions(rtn_addr, branch_addr, branch_entry);
virt_instr_entry->addChild( branch_entry ); virt_instr_entry->addChild(branch_entry);
} }
break; break;
} }
@ -341,8 +346,9 @@ void qvm_inspector::update_virtual_instructions( std::uintptr_t rtn_addr, std::u
} }
QVariant var; QVariant var;
var.setValue( vinstr ); var.setValue(vinstr);
virt_instr_entry->setData( 3, Qt::UserRole, var ); virt_instr_entry->setData(3, Qt::UserRole, var);
parent ? parent->addChild( virt_instr_entry ) : ui.virt_instrs->addTopLevelItem( virt_instr_entry ); parent ? parent->addChild(virt_instr_entry)
: ui.virt_instrs->addTopLevelItem(virt_instr_entry);
} }
} }

253
src/qvm_inspector.h
Unescape View File

@ -1,49 +1,258 @@
#pragma once #pragma once
#include <QtWidgets/QFileDialog>
#include <QtWidgets/QInputDialog.h>
#include <QtWidgets/QMainWindow>
#include <QtWidgets/QMessageBox.h>
#include <qpushbutton.h> #include <qpushbutton.h>
#include <qtreewidget.h> #include <qtreewidget.h>
#include <Windows.h> #include <QtWidgets/QtWidgets>
#include <filesystem> #include <filesystem>
#include <fstream> #include <fstream>
#include <vmprofiler.hpp> #include <vmprofiler.hpp>
#include "ui_qvminspector.h" #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 ) * The 64-bit RFLAGS register contains a group of status flags, a control flag,
* and a group of system flags in 64-bit mode. The upper 32 bits of RFLAGS
* register is reserved. The lower 32 bits of RFLAGS is the same as EFLAGS.
*
* @see EFLAGS
* @see Vol1[3.4.3.4(RFLAGS Register in 64-Bit Mode)] (reference)
*/
typedef union {
struct {
/**
* @brief Carry flag
*
* [Bit 0] See the description in EFLAGS.
*/
uint64_t carry_flag : 1;
#define RFLAGS_CARRY_FLAG_BIT 0
#define RFLAGS_CARRY_FLAG_FLAG 0x01
#define RFLAGS_CARRY_FLAG_MASK 0x01
#define RFLAGS_CARRY_FLAG(_) (((_) >> 0) & 0x01)
/**
* [Bit 1] Reserved - always 1
*/
uint64_t read_as_1 : 1;
#define RFLAGS_READ_AS_1_BIT 1
#define RFLAGS_READ_AS_1_FLAG 0x02
#define RFLAGS_READ_AS_1_MASK 0x01
#define RFLAGS_READ_AS_1(_) (((_) >> 1) & 0x01)
/**
* @brief Parity flag
*
* [Bit 2] See the description in EFLAGS.
*/
uint64_t parity_flag : 1;
#define RFLAGS_PARITY_FLAG_BIT 2
#define RFLAGS_PARITY_FLAG_FLAG 0x04
#define RFLAGS_PARITY_FLAG_MASK 0x01
#define RFLAGS_PARITY_FLAG(_) (((_) >> 2) & 0x01)
uint64_t reserved1 : 1;
/**
* @brief Auxiliary Carry flag
*
* [Bit 4] See the description in EFLAGS.
*/
uint64_t auxiliary_carry_flag : 1;
#define RFLAGS_AUXILIARY_CARRY_FLAG_BIT 4
#define RFLAGS_AUXILIARY_CARRY_FLAG_FLAG 0x10
#define RFLAGS_AUXILIARY_CARRY_FLAG_MASK 0x01
#define RFLAGS_AUXILIARY_CARRY_FLAG(_) (((_) >> 4) & 0x01)
uint64_t reserved2 : 1;
/**
* @brief Zero flag
*
* [Bit 6] See the description in EFLAGS.
*/
uint64_t zero_flag : 1;
#define RFLAGS_ZERO_FLAG_BIT 6
#define RFLAGS_ZERO_FLAG_FLAG 0x40
#define RFLAGS_ZERO_FLAG_MASK 0x01
#define RFLAGS_ZERO_FLAG(_) (((_) >> 6) & 0x01)
/**
* @brief Sign flag
*
* [Bit 7] See the description in EFLAGS.
*/
uint64_t sign_flag : 1;
#define RFLAGS_SIGN_FLAG_BIT 7
#define RFLAGS_SIGN_FLAG_FLAG 0x80
#define RFLAGS_SIGN_FLAG_MASK 0x01
#define RFLAGS_SIGN_FLAG(_) (((_) >> 7) & 0x01)
/**
* @brief Trap flag
*
* [Bit 8] See the description in EFLAGS.
*/
uint64_t trap_flag : 1;
#define RFLAGS_TRAP_FLAG_BIT 8
#define RFLAGS_TRAP_FLAG_FLAG 0x100
#define RFLAGS_TRAP_FLAG_MASK 0x01
#define RFLAGS_TRAP_FLAG(_) (((_) >> 8) & 0x01)
/**
* @brief Interrupt enable flag
*
* [Bit 9] See the description in EFLAGS.
*/
uint64_t interrupt_enable_flag : 1;
#define RFLAGS_INTERRUPT_ENABLE_FLAG_BIT 9
#define RFLAGS_INTERRUPT_ENABLE_FLAG_FLAG 0x200
#define RFLAGS_INTERRUPT_ENABLE_FLAG_MASK 0x01
#define RFLAGS_INTERRUPT_ENABLE_FLAG(_) (((_) >> 9) & 0x01)
/**
* @brief Direction flag
*
* [Bit 10] See the description in EFLAGS.
*/
uint64_t direction_flag : 1;
#define RFLAGS_DIRECTION_FLAG_BIT 10
#define RFLAGS_DIRECTION_FLAG_FLAG 0x400
#define RFLAGS_DIRECTION_FLAG_MASK 0x01
#define RFLAGS_DIRECTION_FLAG(_) (((_) >> 10) & 0x01)
/**
* @brief Overflow flag
*
* [Bit 11] See the description in EFLAGS.
*/
uint64_t overflow_flag : 1;
#define RFLAGS_OVERFLOW_FLAG_BIT 11
#define RFLAGS_OVERFLOW_FLAG_FLAG 0x800
#define RFLAGS_OVERFLOW_FLAG_MASK 0x01
#define RFLAGS_OVERFLOW_FLAG(_) (((_) >> 11) & 0x01)
/**
* @brief I/O privilege level field
*
* [Bits 13:12] See the description in EFLAGS.
*/
uint64_t io_privilege_level : 2;
#define RFLAGS_IO_PRIVILEGE_LEVEL_BIT 12
#define RFLAGS_IO_PRIVILEGE_LEVEL_FLAG 0x3000
#define RFLAGS_IO_PRIVILEGE_LEVEL_MASK 0x03
#define RFLAGS_IO_PRIVILEGE_LEVEL(_) (((_) >> 12) & 0x03)
/**
* @brief Nested task flag
*
* [Bit 14] See the description in EFLAGS.
*/
uint64_t nested_task_flag : 1;
#define RFLAGS_NESTED_TASK_FLAG_BIT 14
#define RFLAGS_NESTED_TASK_FLAG_FLAG 0x4000
#define RFLAGS_NESTED_TASK_FLAG_MASK 0x01
#define RFLAGS_NESTED_TASK_FLAG(_) (((_) >> 14) & 0x01)
uint64_t reserved3 : 1;
/**
* @brief Resume flag
*
* [Bit 16] See the description in EFLAGS.
*/
uint64_t resume_flag : 1;
#define RFLAGS_RESUME_FLAG_BIT 16
#define RFLAGS_RESUME_FLAG_FLAG 0x10000
#define RFLAGS_RESUME_FLAG_MASK 0x01
#define RFLAGS_RESUME_FLAG(_) (((_) >> 16) & 0x01)
/**
* @brief Virtual-8086 mode flag
*
* [Bit 17] See the description in EFLAGS.
*/
uint64_t virtual_8086_mode_flag : 1;
#define RFLAGS_VIRTUAL_8086_MODE_FLAG_BIT 17
#define RFLAGS_VIRTUAL_8086_MODE_FLAG_FLAG 0x20000
#define RFLAGS_VIRTUAL_8086_MODE_FLAG_MASK 0x01
#define RFLAGS_VIRTUAL_8086_MODE_FLAG(_) (((_) >> 17) & 0x01)
/**
* @brief Alignment check (or access control) flag
*
* [Bit 18] See the description in EFLAGS.
*
* @see Vol3A[4.6(ACCESS RIGHTS)]
*/
uint64_t alignment_check_flag : 1;
#define RFLAGS_ALIGNMENT_CHECK_FLAG_BIT 18
#define RFLAGS_ALIGNMENT_CHECK_FLAG_FLAG 0x40000
#define RFLAGS_ALIGNMENT_CHECK_FLAG_MASK 0x01
#define RFLAGS_ALIGNMENT_CHECK_FLAG(_) (((_) >> 18) & 0x01)
/**
* @brief Virtual interrupt flag
*
* [Bit 19] See the description in EFLAGS.
*/
uint64_t virtual_interrupt_flag : 1;
#define RFLAGS_VIRTUAL_INTERRUPT_FLAG_BIT 19
#define RFLAGS_VIRTUAL_INTERRUPT_FLAG_FLAG 0x80000
#define RFLAGS_VIRTUAL_INTERRUPT_FLAG_MASK 0x01
#define RFLAGS_VIRTUAL_INTERRUPT_FLAG(_) (((_) >> 19) & 0x01)
/**
* @brief Virtual interrupt pending flag
*
* [Bit 20] See the description in EFLAGS.
*/
uint64_t virtual_interrupt_pending_flag : 1;
#define RFLAGS_VIRTUAL_INTERRUPT_PENDING_FLAG_BIT 20
#define RFLAGS_VIRTUAL_INTERRUPT_PENDING_FLAG_FLAG 0x100000
#define RFLAGS_VIRTUAL_INTERRUPT_PENDING_FLAG_MASK 0x01
#define RFLAGS_VIRTUAL_INTERRUPT_PENDING_FLAG(_) (((_) >> 20) & 0x01)
/**
* @brief Identification flag
*
* [Bit 21] See the description in EFLAGS.
*/
uint64_t identification_flag : 1;
#define RFLAGS_IDENTIFICATION_FLAG_BIT 21
#define RFLAGS_IDENTIFICATION_FLAG_FLAG 0x200000
#define RFLAGS_IDENTIFICATION_FLAG_MASK 0x01
#define RFLAGS_IDENTIFICATION_FLAG(_) (((_) >> 21) & 0x01)
uint64_t reserved4 : 42;
};
uint64_t flags;
} rflags;
#define ABS_TO_IMG(addr, mod_base, img_base) (addr - mod_base) + img_base
Q_DECLARE_METATYPE(vm::instrs::virt_instr_t)
struct rtn_data_t struct rtn_data_t {
{
std::uint32_t rtn_rva; std::uint32_t rtn_rva;
std::vector< vm::instrs::code_block_t > rtn_blks; std::vector<vm::instrs::code_block_t> rtn_blks;
}; };
class qvm_inspector : public QMainWindow class qvm_inspector : public QMainWindow {
{
friend class qvm_virtual_instructions; friend class qvm_virtual_instructions;
friend class qvm_handlers; friend class qvm_handlers;
friend class qvm_virtual_routines; friend class qvm_virtual_routines;
Q_OBJECT Q_OBJECT
public: public:
qvm_inspector( QWidget *parent = Q_NULLPTR ); qvm_inspector(QWidget *parent = Q_NULLPTR);
private slots: private slots:
void on_open(); void on_open();
void on_close(); void on_close();
private: private:
void dbg_print( QString DbgOutput ); void dbg_print(QString DbgOutput);
void dbg_msg( QString DbgOutput ); void dbg_msg(QString DbgOutput);
void update_ui(); void update_ui();
bool serialize_vmp2( std::vector< rtn_data_t > &virt_rtns ); 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, void update_virtual_instructions(std::uintptr_t rtn_addr,
QTreeWidgetItem *parent = nullptr ); std::uintptr_t blk_addr = 0ull,
QTreeWidgetItem *parent = nullptr);
bool init_data(); bool init_data();
Ui::QVMProfilerClass ui; Ui::QVMProfilerClass ui;
@ -51,6 +260,6 @@ class qvm_inspector : public QMainWindow
vm::ctx_t *g_vm_ctx; vm::ctx_t *g_vm_ctx;
vmp2::v4::file_header *file_header; vmp2::v4::file_header *file_header;
std::vector< rtn_data_t > virt_rtns; std::vector<rtn_data_t> virt_rtns;
std::vector< std::uintptr_t > code_block_addrs; std::vector<std::uintptr_t> code_block_addrs;
}; };
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