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add hook artemis3

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k1mlka 2021-10-17 21:02:14 +08:00 committed by Akash Mozumdar
parent 4b67b8a5cf
commit 49133974b3
1 changed files with 52 additions and 1 deletions
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53
texthook/engine/engine.cc
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@ -10775,8 +10775,59 @@ bool InsertArtemis2Hook()
return true;
}
bool InsertArtemis3Hook()
{
const BYTE bytes[] = {
0x55, // 005FD780 | 55 | push ebp |
0x8B, 0xEC, // 005FD781 | 8BEC | mov ebp,esp |
0x83, 0xE4, 0xF8, // 005FD783 | 83E4 F8 | and esp,FFFFFFF8 |
0x83, 0xEC, 0x3C, // 005FD786 | 83EC 3C | sub esp,3C |
0xA1, XX4, // 005FD789 | A1 6C908600 | mov eax,dword ptr ds:[86906C] |
0x33, 0xC4, // 005FD78E | 33C4 | xor eax,esp |
0x89, 0x44, 0x24, 0x38, // 005FD790 | 894424 38 | mov dword ptr ss:[esp+38],eax |
0x53, // 005FD794 | 53 | push ebx |
0x56, // 005FD795 | 56 | push esi |
0x8B, 0xC1, // 005FD796 | 8BC1 | mov eax,ecx |
0xC7, 0x44, 0x24, 0x14, 0x00, 0x00, 0x00, 0x00, // 005FD798 | C74424 14 00000000 | mov dword ptr ss:[esp+14],0 |
0x8B, 0x4D, 0x0C, // 005FD7A0 | 8B4D 0C | mov ecx,dword ptr ss:[ebp+C] |
0x33, 0xF6, // 005FD7A3 | 33F6 | xor esi,esi |
0x57, // 005FD7A5 | 57 | push edi |
0x8B, 0x7D, 0x08, // 005FD7A6 | 8B7D 08 | mov edi,dword ptr ss:[ebp+8] |
0x89, 0x44, 0x24, 0x14, // 005FD7A9 | 894424 14 | mov dword ptr ss:[esp+14],eax |
0x89, 0x4C, 0x24, 0x28, // 005FD7AD | 894C24 28 | mov dword ptr ss:[esp+28],ecx |
0x80, 0x3F, 0x00, // 005FD7B1 | 803F 00 | cmp byte ptr ds:[edi],0 |
0x0F, 0x84, XX4, // 005FD7B4 | 0F84 88040000 | je ヘンタイ・プリズンsplit 1.5FDC42 |
0x83, 0xB8, XX4, 0x00, // 005FD7BA | 83B8 74030000 00 | cmp dword ptr ds:[eax+374],0 |
0x8B, 0xDF, // 005FD7C1 | 8BDF | mov ebx,edi |
};
enum { addr_offset = 0 }; // distance to the beginning of the function, which is 0x55 (push ebp)
ULONG range = min(processStopAddress - processStartAddress, MAX_REL_ADDR);
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStartAddress + range);
if (!addr) {
ConsoleOutput("Textractor:Artemis3: pattern not found");
return false;
}
addr += addr_offset;
enum { push_ebp = 0x55 }; // beginning of the function
if (*(BYTE *)addr != push_ebp) {
ConsoleOutput("Textractor:Artemis3: beginning of the function not found");
return false;
}
HookParam hp = {};
hp.address = addr;
hp.offset = pusha_ebx_off - 4;
hp.type = USING_UTF8;
ConsoleOutput("Textractor: INSERT Artemis3");
NewHook(hp, "Artemis3");
return true;
}
bool InsertArtemisHook()
{ return InsertArtemis1Hook() || InsertArtemis2Hook(); }
{ return InsertArtemis1Hook() || InsertArtemis2Hook() || InsertArtemis3Hook(); }
/**
* jichi 1/2/2014: Taskforce2 Engine