Android_Reverse_Engineering
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callback system works!

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workingdir/cra0-upated
xerox 4 years ago
parent 68dd54d34c
commit 1049f10a92
3 changed files with 22 additions and 30 deletions
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37
ligma-cheat/ligma-cheat/bypass/bypass.cpp
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@ -13,9 +13,12 @@ namespace ligma
ligma::utils::on_image_load("libil2cpp.so", callback);
ligma::utils::on_image_load("libxlua.so", [&](const std::uintptr_t module_base)
{
LOGI("libxlua.so base = %p", module_base);
// install lua hooks when libxlua.so gets loaded...
loadbufferx = dlsym(reinterpret_cast<void*>(module_base), "luaL_loadbufferx");
ligma::hook::make_hook(loadbufferx, reinterpret_cast<void*>(&loadbufferx_hook));
ligma::hook::make_hook(
dlsym(reinterpret_cast<void*>(module_base), "luaL_loadbufferx"),
reinterpret_cast<void*>(&load_bufferx_hook)
);
});
// these hooks can be registered at anytime.
@ -32,7 +35,7 @@ namespace ligma
// dont let a single lua script load!
//
__attribute__((noinline))
int loadbufferx_hook(void* L, const char* buff, size_t sz, const char* name, const char* mode)
int load_bufferx_hook(void* L, const char* buff, size_t sz, const char* name, const char* mode)
{ return NULL; }
//
@ -43,10 +46,11 @@ namespace ligma
FILE* fopen_hook(const char* path, const char* mode)
{
if (strstr(path, ".apk")) // support older versions of android.
{
path = "/data/app/base_orig.apk";
LOGI("spoofed base.apk to original apk!");
}
// no need to be opening my .so :)
if (strstr(path, "libligma.so"))
return nullptr;
fopen_mutex.lock();
ligma::hook::disable(fopen_ptr);
@ -57,7 +61,7 @@ namespace ligma
}
//
// this is used to gain code execution exactly when il2cpp.so is loaded...
// this is used to gain code execution exactly when a module is loaded (for the first time)
//
__attribute__((noinline))
void* dlopen_hook(const char* filename, int flags)
@ -65,18 +69,21 @@ namespace ligma
dlopen_mutex.lock();
ligma::hook::disable(dlopen_ptr);
const auto result = dlopen(filename, reinterpret_cast<int>(RTLD_NEXT));
if(ligma::utils::get_callbacks()->size()) // only enable hook if we still have callbacks...
if(ligma::utils::get_callbacks()->size())
ligma::hook::enable(dlopen_ptr);
dlopen_mutex.unlock();
//
// if there is a callback for this module, call it and remove it from the map.
// if there is a callback for this module, call it and then remove it.
//
const auto callback = ligma::utils::get_callbacks()->find(filename);
if (callback != ligma::utils::get_callbacks()->end())
for (const auto& [file_key, callback] : *ligma::utils::get_callbacks())
{
callback->second(reinterpret_cast<std::uintptr_t>(result));
ligma::utils::get_callbacks()->erase(filename);
if (strstr(filename, file_key.c_str()))
{
callback(reinterpret_cast<std::uintptr_t>(result));
ligma::utils::get_callbacks()->erase(file_key);
break;
}
}
return result;
}
@ -100,10 +107,8 @@ namespace ligma
strcmp(name, "ro.build.fingerprint") != 0 &&
strcmp(name, "ro.revision") != 0 &&
strcmp(name, "ro.build.version.sdk") != 0)
{
LOGI("spoofed hwid = %s, to = %s", value, HWID_VALUE);
value = HWID_VALUE;
}
return strlen(value);
}
}

5
ligma-cheat/ligma-cheat/bypass/bypass.h
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@ -17,20 +17,17 @@ namespace ligma
{
inline void* fopen_ptr = nullptr;
inline void* system_prop_get = nullptr;
inline void* loadbufferx = nullptr;
inline void* dlopen_ptr = nullptr;
// every shithook you make you will need a mutex.
inline std::mutex fopen_mutex;
inline std::mutex system_prop_mutex;
inline std::mutex loadbufferx_mutex;
inline std::mutex dlopen_mutex;
inline std::function<void(std::uintptr_t)> il2cpp_callback;
void init(const std::function<void(std::uintptr_t)>& callback);
void* dlopen_hook(const char* filename, int flags);
FILE* fopen_hook(const char* path, const char* mode);
int system_property_hook(const char* name, char* value);
int loadbufferx_hook(void* L, const char* buff, size_t sz, const char* name, const char* mode);
int load_bufferx_hook(void* L, const char* buff, size_t sz, const char* name, const char* mode);
}
}

10
ligma-cheat/ligma-cheat/ligma-cheat.vcxproj
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@ -160,14 +160,9 @@
</Link>
<PostBuildEvent>
<Command>adb logcat -c
adb push $(SolutionDir)\ARM\Release\libligma_cheat.so /data/app/com.activision.callofduty.shooter-1/lib/arm/libligma.so
start cmd /k "title 'ligma filter' &amp; adb logcat | findstr ligma"
start cmd /k "title 'codm logs' &amp; adb logcat | findstr com.activision.callofduty.shooter"
start cmd /k "title 'all logs' &amp; adb logcat"
adb shell am start -n com.activision.callofduty.shooter/com.tencent.tmgp.cod.PermissionGrantActivity
</Command>
</PostBuildEvent>
@ -184,14 +179,9 @@ adb shell am start -n com.activision.callofduty.shooter/com.tencent.tmgp.cod.Per
</Link>
<PostBuildEvent>
<Command>adb logcat -c
adb push $(SolutionDir)\ARM\Release\libligma_cheat.so /data/app/com.activision.callofduty.shooter-1/lib/arm/libligma.so
start cmd /k "title 'ligma filter' &amp; adb logcat | findstr ligma"
start cmd /k "title 'codm logs' &amp; adb logcat | findstr com.activision.callofduty.shooter"
start cmd /k "title 'all logs' &amp; adb logcat"
adb shell am start -n com.activision.callofduty.shooter/com.tencent.tmgp.cod.PermissionGrantActivity
</Command>
</PostBuildEvent>

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