void get_table_addr(CPESection §ion, std::vector<long> & addr_table_entry,std::vector<long *> & addr_table_entry_point)
{
for (std::vector<long>::iterator iter = addr_table_entry.begin();
iter != addr_table_entry.end();iter++)
{
if (section.CheckAddressValidity(*iter))
{
long *addr = (long*)section.VaToPtr(*iter);
//printf("table addr:%08x\r\n",*addr);
if (addr)
while (section.CheckAddressValidity(*addr))
{
#ifdef DEBUG
printf ("table addr:%08x\n",*addr);
#endif
addr_table_entry_point.push_back(addr);
addr++;
}
//addr++;
}
}
}
void buildvmtest(BuildCodeInfo & build_info)
{
VirtualMachineManage vm;
CodeBufferInfo info;
CPEFile file;
char * build_exec_name = build_info.get_filename();
bool b = file.LoadPEFile(build_exec_name);
if (!b)
{
printf("file is not find\r\n");
return;
}
if (!file.IsPEFile())
{
printf("executable file type error\n");
return;
}
CPESection section;
CPEReloc reloc;
section = file;
reloc = file;
reloc.DeleteReloc();
reloc.GetBaseReloc();
for (int i = 0;i<section.GetSectionCount();i++)
{
//section.GetRelocations(i);
}
//printf ("一共有%d个区段\r\n");
/*for (int i = 0;i < section.GetSectionCount();i++)
{
DWORD size;
BYTE * data = section.GetSectionData(i,&size);
printf("第%d个区段，大小%d\n",i,size);
for (int x = 0;x<size;x++)
{
printf("%x ",data[x]);
if ((x+1)%16==0)
{
printf("\n");
}
}
}*/
get_wprotect_sdk_address(section,build_info,"WProtect Begin","WProtect End");
unsigned long section_size;
VMAddressTable table( section.GetNewSectionBase(),0x512,false);
bool t_sign = table.get_sign();
table.set_sign(true);
long virtualmachine_address = table.assign_address(0x1024);
table.set_sign(t_sign);
VirtualMachine *pvm = vm.add_virtual_machine(virtualmachine_address,false);
table.copy(virtualmachine_address,pvm->vm_info.buf,pvm->vm_info.size);
for (BuildCodeInfo::iterator iter = build_info.begin(); iter != build_info.end(); iter++)
{
long build_exec_addr = iter->build_exec_addr;
long build_exec_size = iter->build_exec_size;
info.buf = file.VaToPtr(build_exec_addr);
info.addr = build_exec_addr;
info.size = 0x40194f - 0x4014a0;
info.size = build_exec_size;
if (info.size < 5)
{
printf("Protect Size less than 5 Byte\n");
return;
}
//#define VM_DEBUG_BUILD
#ifdef VM_DEBUG_BUILD
Analysis analysis;
std::vector<CodePiece> code_list;
analysis.disasm(&info,code_list);
bool next = true;
for (std::vector<CodePiece>::iterator iter = code_list.begin();
iter != code_list.end();iter++)
{
bool begin = true;
//info.addr = 0;
//info.buf = 0;
if (iter->get_is_jcc())
info.size = iter->get_piece().back().insn_offset - iter->get_piece().front().insn_offset;
else
info.size = iter->get_piece().back().pc - iter->get_piece().front().insn_offset;
info.addr = iter->get_piece().front().insn_offset;
info.buf = section.VaToPtr(info.addr);
if (info.size < 5 )
{
printf("编译的地址不能小于5Byte,这段指令编译失败\n");
//return;
continue;
}
void * ptr_old_code = info.buf;
size_t old_code_size = info.size;
long old_addr = info.addr;
BuildVMByteCode build(&vm,&info,&table);
memset(ptr_old_code,0x90,old_code_size);
add_jmp_addr(file,old_addr,info.addr);
}
#else
void * ptr_old_code = info.buf;
size_t old_code_size = info.size;
Analysis analysis;
std::vector<long> addr_table;
std::vector<long*> addr_entry_point;
analysis.analysis_address_table(&info,addr_table,section.GetSectionMinAddress(),section.GetSectionMaxAddress());
get_table_addr(section,addr_table,addr_entry_point);
BuildVMByteCode build(&vm,&info,&table,addr_entry_point);
memset(ptr_old_code,0,old_code_size);
add_jmp_addr(file,build_exec_addr,info.addr);
#endif
}
FILE *pfile;
// VirtualMachine *pvm = vm.rand_virtual_machine();
//t_sign = table.get_sign();
//table.set_sign(true);
// long virtualmachine_address = table.assign_address(pvm->vm_info.size);
//table.set_sign(t_sign);
// table.copy(virtualmachine_address,pvm->vm_info.buf,pvm->vm_info.size);
section_size = (unsigned long)( table.buffer_size);
section.AddSection(".WProtect",section_size,0xE0000020);
section.WriteSectionData(file.GetSectionCount()-1,0,
(unsigned char*)table.buffer,(unsigned long *)&table.buffer_size);
char new_file_name[256];
memset(new_file_name,0,256);
memcpy(new_file_name,build_exec_name,strlen(build_exec_name)-3);
strcat(new_file_name,"wp.exe");
file.SavePEFile(new_file_name);
printf("Out File:%s\n",new_file_name);
//pfile = fopen( "virtualmachine","wb" );
//fwrite( pvm->vm_info.buf,1,pvm->vm_info.size,pfile );
//fclose( file );
//delete [ ] buf;
}
