mirror of
https://github.com/HIllya51/LunaHook.git
synced 2024-12-27 13:44:11 +08:00
42 lines
1.1 KiB
C++
42 lines
1.1 KiB
C++
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#include"SYSD.h"
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bool InsertSysdHook() {
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/*
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* Sample games:
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* https://vndb.org/v2069
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*/
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const BYTE bytes[] = {
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0xC1, 0xE9, 0x02, // shr ecx,02 <- hook here
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0xF3, 0xA5, // repe movsd
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0x8B, 0xCA, // mov ecx,edx
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0x83, 0xE1, 0x03, // and ecx,03
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0xF3, 0xA4, // repe movsb
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0x5F, // pop edi
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0xB8, 0x01, 0x00, 0x00, 0x00 // mov eax,00000001
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};
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ULONG range = min(processStopAddress - processStartAddress, MAX_REL_ADDR);
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ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStartAddress + range);
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if (!addr) {
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ConsoleOutput("Sysd: pattern not found");
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return false;
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}
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HookParam hp;
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hp.address = addr;
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hp.offset=get_reg(regs::esi);
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hp.index = 0;
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hp.padding = 0x12;
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hp.split = get_stack(2);
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hp.split_index = 0;
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hp.type = USING_STRING | NO_CONTEXT | USING_SPLIT;
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hp.filter_fun = NewLineCharFilterA;
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ConsoleOutput("INSERT Sysd");
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return NewHook(hp, "Sysd");
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}
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bool SYSD::attach_function() {
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return InsertSysdHook();
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}
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