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avoid exceptions with obfuscated binaries in debug build
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parent
b0e8acc03c
commit
cbeffa867f
17
src/hook.c
17
src/hook.c
@ -323,6 +323,23 @@ void hook_patch_iat_list(HMODULE hmod, BOOL unhook, HOOKLIST* hooks, BOOL is_loc
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if (!is_local && (hooks[i].data[x].flags & HOOK_LOCAL_ONLY))
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continue;
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/* avoid exceptions with obfuscated binaries in debug build */
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#if defined(_DEBUG)
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MEMORY_BASIC_INFORMATION mbi = { 0 };
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if (VirtualQuery((void*)import->Name, & mbi, sizeof(mbi)))
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{
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DWORD mask = (PAGE_READONLY | PAGE_READWRITE | PAGE_WRITECOPY | PAGE_EXECUTE_READ | PAGE_EXECUTE_READWRITE | PAGE_EXECUTE_WRITECOPY);
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BOOL b = !(mbi.Protect & mask);
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// check the page is not a guard page
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if (mbi.Protect & (PAGE_GUARD | PAGE_NOACCESS)) b = TRUE;
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if (b)
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continue;
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}
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else
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continue;
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#endif
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if (_stricmp((const char*)import->Name, hooks[i].data[x].function_name) == 0)
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{
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DWORD op;
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