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@ -133,7 +133,7 @@ int __cdecl main( int argc, const char *argv[] )
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file_header.rtn_count = 1;
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file_header.rtn_offset = image_size + sizeof file_header;
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vmp2::v4::rtn_t rtn{ code_blocks.size() };
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vmp2::v4::rtn_t rtn;
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std::ofstream output( parser.get< std::string >( "out" ), std::ios::binary );
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output.write( reinterpret_cast< const char * >( &file_header ), sizeof file_header );
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output.write( reinterpret_cast< const char * >( module_base ), image_size );
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@ -169,16 +169,20 @@ int __cdecl main( int argc, const char *argv[] )
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vmp2_blocks.push_back( _code_block );
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}
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std::size_t code_blocks_size = sizeof( vmp2::v4::rtn_t::size ) + sizeof( vmp2::v4::rtn_t::code_block_count );
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std::size_t code_blocks_size = sizeof( vmp2::v4::rtn_t::size ) + sizeof( vmp2::v4::rtn_t::code_block_count ) +
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sizeof( vmp2::v4::rtn_t::vm_enter_offset );
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std::for_each( vmp2_blocks.begin(), vmp2_blocks.end(), [ & ]( vmp2::v4::code_block_t *vmp2_block ) -> void {
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code_blocks_size += vmp2_block->next_block_offset;
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} );
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rtn.size = code_blocks_size;
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rtn.code_block_count = vmp2_blocks.size();
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rtn.vm_enter_offset = vm_entry_rva;
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output.write( reinterpret_cast< const char * >( &rtn ),
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sizeof( vmp2::v4::rtn_t::size ) + sizeof( vmp2::v4::rtn_t::code_block_count ) );
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output.write( reinterpret_cast< const char * >( &rtn ), sizeof( vmp2::v4::rtn_t::size ) +
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sizeof( vmp2::v4::rtn_t::code_block_count ) +
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sizeof( vmp2::v4::rtn_t::vm_enter_offset ) );
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std::for_each( vmp2_blocks.begin(), vmp2_blocks.end(), [ & ]( vmp2::v4::code_block_t *vmp2_block ) -> void {
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output.write( reinterpret_cast< const char * >( vmp2_block ), vmp2_block->next_block_offset );
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@ -225,7 +229,7 @@ int __cdecl main( int argc, const char *argv[] )
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auto vm_handler_tables = vm::locate::all_handler_tables( module_base );
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auto vm_enters = vm::locate::all_vm_enters( module_base, vm_handler_tables );
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std::vector< std::vector< vm::instrs::code_block_t > > virt_rtns;
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std::vector< std::pair< std::uintptr_t, std::vector< vm::instrs::code_block_t > > > virt_rtns;
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for ( const auto &[ vm_enter_offset, encrypted_rva ] : vm_enters )
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{
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std::printf( "> emulating vm enter at rva = 0x%x\n", vm_enter_offset );
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@ -256,7 +260,7 @@ int __cdecl main( int argc, const char *argv[] )
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}
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std::printf( "> number of blocks = %d\n", code_blocks.size() );
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virt_rtns.push_back( code_blocks );
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virt_rtns.push_back( { vm_enter_offset, code_blocks } );
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}
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std::printf( "> traced %d virtual routines...\n", virt_rtns.size() );
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@ -278,7 +282,7 @@ int __cdecl main( int argc, const char *argv[] )
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output.write( reinterpret_cast< const char * >( &file_header ), sizeof file_header );
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output.write( reinterpret_cast< const char * >( module_base ), image_size );
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for ( auto virt_rtn : virt_rtns )
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for ( auto [ vm_enter_offset, virt_rtn ] : virt_rtns )
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{
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vmp2::v4::rtn_t rtn{ virt_rtn.size() };
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std::vector< vmp2::v4::code_block_t * > vmp2_blocks;
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@ -313,8 +317,9 @@ int __cdecl main( int argc, const char *argv[] )
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vmp2_blocks.push_back( _code_block );
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}
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std::size_t code_blocks_size =
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sizeof( vmp2::v4::rtn_t::size ) + sizeof( vmp2::v4::rtn_t::code_block_count );
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std::size_t code_blocks_size = sizeof( vmp2::v4::rtn_t::size ) +
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sizeof( vmp2::v4::rtn_t::vm_enter_offset ) +
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sizeof( vmp2::v4::rtn_t::code_block_count );
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std::for_each( vmp2_blocks.begin(), vmp2_blocks.end(), [ & ]( vmp2::v4::code_block_t *vmp2_block ) -> void {
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code_blocks_size += vmp2_block->next_block_offset;
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@ -322,9 +327,11 @@ int __cdecl main( int argc, const char *argv[] )
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rtn.size = code_blocks_size;
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rtn.code_block_count = vmp2_blocks.size();
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rtn.vm_enter_offset = vm_enter_offset;
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output.write( reinterpret_cast< const char * >( &rtn ),
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sizeof( vmp2::v4::rtn_t::size ) + sizeof( vmp2::v4::rtn_t::code_block_count ) );
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output.write( reinterpret_cast< const char * >( &rtn ), sizeof( vmp2::v4::rtn_t::size ) +
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sizeof( vmp2::v4::rtn_t::code_block_count ) +
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sizeof( vmp2::v4::rtn_t::vm_enter_offset ) );
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std::for_each( vmp2_blocks.begin(), vmp2_blocks.end(), [ & ]( vmp2::v4::code_block_t *vmp2_block ) -> void {
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output.write( reinterpret_cast< const char * >( vmp2_block ), vmp2_block->next_block_offset );
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