vmp2
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vmprofiler-cli
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removed some functionality that is fucky

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merge-requests/8/head
IDontCode 2 years ago
parent ddec5ed91e
commit e321ef10dd
1 changed files with 3 additions and 108 deletions
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111
src/main.cpp
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@ -33,20 +33,7 @@ int __cdecl main( int argc, const char *argv[] )
parser.add_argument().names( { "--vmentry", "--entry" } ).description( "rva to push prior to a vm_entry" );
parser.add_argument().name( "--showhandlers" ).description( "show all vm handlers..." );
parser.add_argument().name( "--showhandler" ).description( "show a specific vm handler given its index..." );
parser.add_argument().name( "--vmp2file" ).description( "path to .vmp2 file..." );
parser.add_argument()
.name( "--indexes" )
.description( "displays vm handler table indexes for a given vm handler name such as 'READQ', or 'WRITEQ'..." );
parser.add_argument()
.name( "--scanfortables" )
.description( "scans all executable sections for vm handler tables..." );
parser.add_argument()
.name( "--showvirtinstrs" )
.description( "show the virtual instructions of a specific virtual routine..." );
parser.add_argument().name( "--showallrtns" ).description( "shows all information for all virtual routines..." );
parser.add_argument()
.name( "--rtnaddr" )
.description( "rva of the virtualized routine to apply another action upon such as --showallblocks..." );
parser.add_argument().name( "--indexes" ).description( "displays vm handler table indexes for a given vm handler name such as 'READQ', or 'WRITEQ'..." );
parser.enable_help();
auto err = parser.parse( argc, argv );
@ -96,8 +83,8 @@ int __cdecl main( int argc, const char *argv[] )
const auto vm_entry_rva = std::strtoull( parser.get< std::string >( "vmentry" ).c_str(), nullptr, 16 );
const auto image_base = img->get_nt_headers()->optional_header.image_base;
std::printf( "> module base = 0x%p, image base = 0x%p, image size = 0x%p\n", module_base, image_base,
image_size );
std::printf( "> module base = %p, image base = %p, image size = %p, vm entry = 0x%x\n", module_base, image_base,
image_size, vm_entry_rva );
vm::ctx_t vmctx( module_base, image_base, image_size, vm_entry_rva );
@ -187,96 +174,4 @@ int __cdecl main( int argc, const char *argv[] )
std::printf( "}\n" );
}
}
if ( !parser.exists( "vmp2file" ) )
return {};
std::vector< std::uint8_t > vmp2file;
if ( !open_binary_file( parser.get< std::string >( "vmp2file" ), vmp2file ) )
{
std::printf( "[!] failed to open vmp2 file...\n" );
return -1;
}
const auto file_header = reinterpret_cast< vmp2::v4::file_header * >( vmp2file.data() );
if ( file_header->version != vmp2::version_t::v4 )
{
std::printf( "[!] invalid vmp2 file version... this build uses v4...\n" );
return -1;
}
auto first_rtn = reinterpret_cast< vmp2::v4::rtn_t * >( reinterpret_cast< std::uintptr_t >( file_header ) +
file_header->rtn_offset );
if ( parser.exists( "showallrtns" ) )
{
for ( auto [ rtn_block, rtn_idx ] = std::pair{ first_rtn, 0ull }; rtn_idx < file_header->rtn_count;
++rtn_idx, rtn_block = reinterpret_cast< vmp2::v4::rtn_t * >(
reinterpret_cast< std::uintptr_t >( rtn_block ) + rtn_block->size ) )
{
std::printf( "[rtn_0x%p (vm enter rva = 0x%x)] number of code blocks = %d\n",
rtn_block->code_blocks[ 0 ].vip_begin, rtn_block->vm_enter_offset,
rtn_block->code_block_count );
for ( auto [ code_block, block_idx ] = std::pair{ &rtn_block->code_blocks[ 0 ], 0ull };
block_idx < rtn_block->code_block_count;
++block_idx, code_block = reinterpret_cast< vmp2::v4::code_block_t * >(
reinterpret_cast< std::uintptr_t >( code_block ) + code_block->next_block_offset ) )
{
std::printf( " [blk_0x%p] number of virtual instructions = %d\n", code_block->vip_begin,
code_block->vinstr_count );
}
}
}
if ( parser.exists( "showvirtinstrs" ) && parser.exists( "rtnaddr" ) )
{
auto rtn_addr = std::stoull( parser.get< std::string >( "rtnaddr" ).c_str(), nullptr, 16 );
for ( auto [ rtn_block, rtn_idx ] = std::pair{ first_rtn, 0ull }; rtn_idx < file_header->rtn_count;
++rtn_idx, rtn_block = reinterpret_cast< vmp2::v4::rtn_t * >(
reinterpret_cast< std::uintptr_t >( rtn_block ) + rtn_block->size ) )
{
if ( rtn_block->code_blocks[ 0 ].vip_begin == rtn_addr )
{
for ( auto [ code_block, block_idx ] = std::pair{ &rtn_block->code_blocks[ 0 ], 0ull };
block_idx < rtn_block->code_block_count;
++block_idx, code_block = reinterpret_cast< vmp2::v4::code_block_t * >(
reinterpret_cast< std::uintptr_t >( code_block ) +
code_block->next_block_offset ) )
{
std::printf( "[blk_0x%p] number of virtual instructions = %d\n", code_block->vip_begin,
code_block->vinstr_count );
std::printf( "> -----------------------------------------------------------------------\n" );
std::printf( "> opcode | virtual instructions | virtual instruction pointer\n" );
std::printf( "> -----------------------------------------------------------------------\n" );
auto block_vinstrs = reinterpret_cast< vm::instrs::virt_instr_t * >(
reinterpret_cast< std::uintptr_t >( code_block ) + sizeof(vmp2::v4::code_block_t) +
( code_block->num_block_addrs * 8 ) );
for ( auto idx = 0u; idx < code_block->vinstr_count; ++idx )
{
const auto vinstr = &block_vinstrs[ idx ];
const auto vm_profile = vm::handler::get_profile( vinstr->mnemonic_t );
if ( vinstr->operand.has_imm )
{
std::printf( "> %-6x | %-15s %-15p | 0x%p\n", vinstr->opcode,
vm_profile ? vm_profile->name : "UNK", vinstr->operand.imm.u,
ABS_TO_IMG( vinstr->trace_data.vip, file_header->module_base,
file_header->image_base ) );
}
else
{
std::printf( "> %-6x | %-32s | 0x%p\n", vinstr->opcode,
vm_profile ? vm_profile->name : "UNK",
ABS_TO_IMG( vinstr->trace_data.vip, file_header->module_base,
file_header->image_base ) );
}
}
}
}
}
}
}
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