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vmprofiler-qt
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added qvirt_handlers.cpp which will handle updating the vm handlers

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merge-requests/2/head
_xeroxz 3 years ago
parent 77b3e87b38
commit 06356e9668
8 changed files with 261 additions and 79 deletions
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2
src/main.cpp
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@ -5,6 +5,7 @@
#include "qvminspector.h"
#include "qvirt_instrs.h"
#include "qvirt_handlers.h"
#include "framelesswindow.h"
#include "DarkStyle.h"
@ -15,6 +16,7 @@ int main(int argc, char *argv[])
FramelessWindow frameless_window;
const auto window = new qvminspector_t;
qvirt_instrs_t virt_instr( window );
qvirt_handlers_t virt_handlers( window );
frameless_window.setContent( window );
frameless_window.setWindowIcon(QIcon("icon.ico"));

92
src/qvirt_handlers.cpp
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@ -0,0 +1,92 @@
#include "qvirt_handlers.h"
qvirt_handlers_t::qvirt_handlers_t( qvminspector_t *vminspector ) : vminspector( vminspector ), ui( &vminspector->ui )
{
connect( ui->virt_handlers_tree, &QTreeWidget::itemSelectionChanged, this, &qvirt_handlers_t::on_select );
}
void qvirt_handlers_t::update_transforms( vm::handler::handler_t &vm_handler )
{
char buffer[ 256 ];
ZydisFormatter formatter;
ZydisFormatterInit( &formatter, ZYDIS_FORMATTER_STYLE_INTEL );
ui->virt_handler_transforms_tree->clear();
const auto &vm_handler_transforms = vm_handler.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->virt_handler_transforms_tree->addTopLevelItem( new_transform_entry );
}
}
void qvirt_handlers_t::update_instrs( vm::handler::handler_t &vm_handler )
{
char buffer[ 256 ];
ZydisFormatter formatter;
ZydisFormatterInit( &formatter, ZYDIS_FORMATTER_STYLE_INTEL );
ui->virt_handler_instrs_tree->clear();
const auto &vm_handler_instrs = vm_handler.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->virt_handler_instrs_tree->addTopLevelItem( new_instr );
}
}
void qvirt_handlers_t::on_select()
{
auto item = ui->virt_handlers_tree->selectedItems()[ 0 ];
if ( !item )
return;
if ( !vminspector->vmctx )
return;
const auto handler_idx = item->data( 0, Qt::UserRole ).value< std::uint8_t >();
update_instrs( vminspector->vmctx->vm_handlers[ handler_idx ] );
update_transforms( vminspector->vmctx->vm_handlers[ handler_idx ] );
}

19
src/qvirt_handlers.h
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@ -0,0 +1,19 @@
#pragma once
#define NOMINMAX
#include "qvminspector.h"
class qvirt_handlers_t : public QObject
{
Q_OBJECT
public:
explicit qvirt_handlers_t( qvminspector_t *vminspector );
private:
Ui::QVMProfilerClass *ui;
qvminspector_t *vminspector;
void update_transforms( vm::handler::handler_t &vm_handler );
void update_instrs( vm::handler::handler_t &vm_handler );
private slots:
void on_select();
};

96
src/qvminspector.cpp
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@ -11,7 +11,6 @@ qvminspector_t::qvminspector_t( qwidget_t *parent ) : qmain_window_t( parent ),
connect( ui.action_open, &QAction::triggered, this, &qvminspector_t::on_open );
connect( ui.action_close, &QAction::triggered, this, &qvminspector_t::on_close );
connect( ui.lift_all_button, &QAction::triggered, this, &qvminspector_t::on_lift_all );
connect( ui.lift_specific_block_button, &QAction::triggered, this, &qvminspector_t::on_lift_block );
}
void qvminspector_t::on_lift_all()
@ -53,13 +52,8 @@ void qvminspector_t::on_lift_all()
auto vinstr = &code_block->vinstr[ idx ];
if ( vinstr->mnemonic_t == vm::handler::INVALID )
{
std::printf( "> unable to lift to VTIL... unknown virtual instruction handler #%d... "
"please define a vm handler profile for this virtual instruction and try again..."
" you can also create your first contribution to this open source project by submitting"
" a merge request with your changes! :)\n",
vinstr->opcode );
return;
rtn->nop();
continue;
}
const auto result = std::find_if(
@ -68,13 +62,8 @@ void qvminspector_t::on_lift_all()
if ( result == vm::lifters::all.end() )
{
std::printf( "> unable to lift to VTIL... unknown virtual instruction handler lifter for #%d... "
"please define a vm handler lifter for this vm handler and try again..."
" you can also create your first contribution to this open source project by submitting"
" a merge request with your changes! :)\n",
vinstr->opcode );
return;
rtn->nop();
continue;
}
// lift the virtual instruction...
@ -86,37 +75,6 @@ void qvminspector_t::on_lift_all()
vtil::debug::dump( first );
}
void qvminspector_t::on_lift_block()
{
if ( !file_header )
return;
auto lift_block_select = new QDialog();
auto layout = new QVBoxLayout();
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 )
{
auto new_button = new QPushButton();
new_button->setText(
QString( "block_%1" )
.arg( ABS_TO_IMG( code_block->vip_begin, file_header->module_base, file_header->image_base ), 0u,
16 ) );
new_button->setProperty(
"addr", ABS_TO_IMG( code_block->vip_begin, file_header->module_base, file_header->image_base ) );
layout->addWidget( new_button );
}
lift_block_select->setWindowTitle( "Select A Block" );
lift_block_select->setLayout( layout );
lift_block_select->exec();
}
void qvminspector_t::on_close()
{
exit( 0 );
@ -161,7 +119,6 @@ void qvminspector_t::on_open()
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 ) )
{
@ -214,9 +171,10 @@ bool qvminspector_t::init_data()
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_base, vm_entry_rva );
vmctx = new vm::ctx_t( module_base, image_base, image_size, vm_entry_rva );
if ( !vmctx->init() )
{
@ -356,6 +314,34 @@ void qvminspector_t::add_branch_children( qtree_widget_item_t *item, std::uintpt
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)
@ -471,17 +457,3 @@ void qvminspector_t::update_ui()
finish: // bad code...
ui.virt_instrs->topLevelItem( 0 )->setSelected( true );
}
bool qvminspector_t::event( QEvent *event )
{
if ( event->type() == QEvent::KeyPress )
{
auto kevent = static_cast< QKeyEvent * >( event );
if ( kevent->key() == Qt::Key::Key_F5 )
{
return true;
}
}
return false;
}

7
src/qvminspector.h
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@ -28,6 +28,7 @@ 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 );
@ -36,10 +37,6 @@ class qvminspector_t : public qmain_window_t
void on_open();
void on_close();
void on_lift_all();
void on_lift_block();
protected:
bool event( QEvent *event );
private:
void dbg_print( qstring_t DbgOutput );
@ -51,7 +48,7 @@ class qvminspector_t : public qmain_window_t
Ui::QVMProfilerClass ui;
qstring_t file_path;
qstring_t VMProtectedFilePath;
std::uint64_t image_base, vm_entry_rva, module_base;
std::uint64_t image_base, vm_entry_rva, module_base, image_size;
vm::ctx_t *vmctx;
vmp2::v3::file_header *file_header;

106
src/qvminspector.ui
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@ -7,7 +7,7 @@
<x>0</x>
<y>0</y>
<width>1496</width>
<height>1038</height>
<height>1093</height>
</rect>
</property>
<property name="acceptDrops">
@ -29,7 +29,7 @@
<property name="currentIndex">
<number>0</number>
</property>
<widget class="QWidget" name="virtual_instructions_tab" native="true">
<widget class="QWidget" name="virtual_instructions_tab">
<attribute name="title">
<string>Virtual Instructions</string>
</attribute>
@ -45,7 +45,7 @@
<x>0</x>
<y>0</y>
<width>1452</width>
<height>799</height>
<height>854</height>
</rect>
</property>
<layout class="QHBoxLayout" name="horizontalLayout_2">
@ -415,7 +415,7 @@
<x>0</x>
<y>0</y>
<width>672</width>
<height>210</height>
<height>228</height>
</rect>
</property>
<layout class="QVBoxLayout" name="verticalLayout_3">
@ -508,6 +508,101 @@
<attribute name="title">
<string>Virtual Machine Handlers</string>
</attribute>
<layout class="QHBoxLayout" name="horizontalLayout_4">
<item>
<widget class="QGroupBox" name="groupBox">
<property name="title">
<string>Virtual Machine Handler List</string>
</property>
<layout class="QHBoxLayout" name="horizontalLayout_5">
<item>
<widget class="QTreeWidget" name="virt_handlers_tree">
<column>
<property name="text">
<string>Index</string>
</property>
</column>
<column>
<property name="text">
<string>Address</string>
</property>
</column>
<column>
<property name="text">
<string>Name</string>
</property>
</column>
<column>
<property name="text">
<string>Imm Size</string>
</property>
</column>
<column>
<property name="text">
<string>Sign Extended Imm</string>
</property>
</column>
</widget>
</item>
</layout>
</widget>
</item>
<item>
<widget class="QGroupBox" name="groupBox_8">
<property name="title">
<string>Virtual Machine Handler Information</string>
</property>
<layout class="QVBoxLayout" name="verticalLayout_5">
<item>
<widget class="QGroupBox" name="groupBox_9">
<property name="title">
<string>Virtual Machine Handler Instructions</string>
</property>
<layout class="QVBoxLayout" name="verticalLayout_10">
<item>
<widget class="QTreeWidget" name="virt_handler_instrs_tree">
<column>
<property name="text">
<string>Address</string>
</property>
</column>
<column>
<property name="text">
<string>Instruction</string>
</property>
</column>
</widget>
</item>
</layout>
</widget>
</item>
<item>
<widget class="QGroupBox" name="groupBox_10">
<property name="title">
<string>Virtual Machine Handler Transforms</string>
</property>
<layout class="QVBoxLayout" name="verticalLayout_11">
<item>
<widget class="QTreeWidget" name="virt_handler_transforms_tree">
<column>
<property name="text">
<string>Address</string>
</property>
</column>
<column>
<property name="text">
<string>Instruction</string>
</property>
</column>
</widget>
</item>
</layout>
</widget>
</item>
</layout>
</widget>
</item>
</layout>
</widget>
</widget>
</item>
@ -533,7 +628,6 @@
<property name="title">
<string>VTIL</string>
</property>
<addaction name="lift_specific_block_button"/>
<addaction name="lift_all_button"/>
</widget>
<addaction name="menuOpen_VMTrace"/>
@ -599,7 +693,7 @@
<string>Close</string>
</property>
</action>
<action name="lift_specific_block_button">
<action name="action">
<property name="text">
<string extracomment="F6">Lift Specific Block</string>
</property>

6
vmprofiler-qt.vcxproj
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@ -44,12 +44,10 @@
<ClCompile Include="src\darkstyle\framelesswindow\framelesswindow.cpp" />
<ClCompile Include="src\darkstyle\framelesswindow\windowdragger.cpp" />
<ClCompile Include="src\main.cpp" />
<ClCompile Include="src\qvirt_handlers.cpp" />
<ClCompile Include="src\qvirt_instrs.cpp" />
<ClCompile Include="src\qvminspector.cpp" />
</ItemGroup>
<ItemGroup>
<QtMoc Include="src\qvirt_instrs.h" />
</ItemGroup>
<ItemGroup>
<QtMoc Include="src\qvminspector.h" />
</ItemGroup>
@ -67,6 +65,8 @@
</ItemGroup>
<ItemGroup>
<ClInclude Include="dependencies\ia32-doc\out\ia32.hpp" />
<QtMoc Include="src\qvirt_instrs.h" />
<QtMoc Include="src\qvirt_handlers.h" />
<ClInclude Include="x64\Release\uic\ui_framelesswindow.h" />
<QtMoc Include="src\darkstyle\framelesswindow\windowdragger.h" />
<QtMoc Include="src\darkstyle\framelesswindow\framelesswindow.h" />

12
vmprofiler-qt.vcxproj.filters
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@ -42,11 +42,11 @@
<ClCompile Include="src\darkstyle\DarkStyle.cpp">
<Filter>Source Files\darkstyle</Filter>
</ClCompile>
<ClCompile Include="src\qvirt_handlers.cpp">
<Filter>Source Files</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<QtMoc Include="src\qvirt_instrs.h">
<Filter>Header Files</Filter>
</QtMoc>
<QtMoc Include="src\qvminspector.h">
<Filter>Header Files</Filter>
</QtMoc>
@ -59,6 +59,12 @@
<QtMoc Include="src\darkstyle\framelesswindow\windowdragger.h">
<Filter>Header Files\darkstyle\framelesswindow</Filter>
</QtMoc>
<QtMoc Include="src\qvirt_instrs.h">
<Filter>Header Files</Filter>
</QtMoc>
<QtMoc Include="src\qvirt_handlers.h">
<Filter>Header Files</Filter>
</QtMoc>
</ItemGroup>
<ItemGroup>
<QtRcc Include="src\darkstyle\darkstyle.qrc">

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