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myAnalysis.cpp
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myAnalysis.cpp
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#include <future>
#include <xhook.h>
#include <Util.h>
#include <jni.h>
#include <dlfcn.h>
#include <pthread.h>
#include <unistd.h>
#include <thread>
#include <link.h>
#include <sys/stat.h>
#include <byopen.h>
#include <base64.h>
#include <dobby.h>
#include <Log.h>
#include <PrintStack.h>
#include <fcntl.h>
#include <GlobalInfo.h>
#include <il2cpp_dump.h>
#include <sys/socket.h>
#include <DebugHelper.h>
#include <LuaHeaders/lua533/lua.h>
#include <LuaScript/hack.lua.b64.h>
#include <LuaScript/setGTable.lua.b64.h>
lua_getinfo lua_getinfoAddr = nullptr;
lua_sethook lua_sethookAddr = nullptr;
lua_load lua_load_addr = nullptr;
lua_pcallk lua_pcallk_addr = nullptr;
lua_tolstring lua_tolstring_addr = nullptr;
lua_settop lua_settop_addr = nullptr;
lua_pushcclosure lua_pushcclosure_addr = nullptr;
lua_setglobal lua_setglobal_addr = nullptr;
/*Screen*/
static size_t screenWidth = 0;
static size_t screenHeight = 0;
static size_t ScreenKlass = 0;
static size_t ScreenKlassget_width = 0;
static size_t ScreenKlassget_height = 0;
static bool isScreenKlassInit = false;
/*Camera*/
static size_t CameraKlass = 0;
static bool isCameraKlassInit = false;
static size_t CameraKlassget_main = 0;
static size_t CameraKlassget_current = 0;
static size_t CameraKlassWorldToScreenPoint = 0;
/*Vector3*/
static size_t Vector3Klass = 0;
static bool isVector3KlassInit = false;
static size_t TransformKlass = 0;
static bool isTransformKlassInit = false;
// ugui
static size_t TextKlass = 0;
static size_t TextType = 0;
static size_t TextTypeObject = 0;
static bool isTextKlassInit = false;
static size_t TMP_TextKlass = 0;
static size_t TMP_TextType = 0;
static size_t TMP_TextTypeObject = 0;
static bool isTMP_TextKlassInit = false;
static size_t TextMeshProUGUIKlass = 0;
static size_t TextMeshProUGUIType = 0;
static size_t TextMeshProUGUITypeObject = 0;
static bool isTextMeshProUGUIKlassInit = false;
static size_t unityEngineUiButtonKlass = 0;
static size_t unityEngineUiButtonType = 0;
static size_t unityEngineUiButtonTypeObject = 0;
static bool isUnityEngineUiButtonKlassInit = false;
static size_t StringKlass = 0;
// ngui
// UILabel
static size_t UILabelKlass = 0;
static size_t UILabelType = 0;
static size_t UILabelTypeObject = 0;
static bool isUILabelKlassInit = false;
static size_t ArrayKlass = 0;
static size_t ArrayType = 0;
static size_t ArrayTypeObject = 0;
static size_t Arrayget_LengthMethodInfo = 0;
static size_t ArrayGetValueMethodInfo = 0;
static bool isArrayKlassInit = false;
static size_t ResourcesKlass = 0;
static bool isResourcesKlassInit = false;
static size_t GameObjectKlass = 0;
static bool isGameObjectKlassInit = false;
static size_t ObjectKlass = 0;
static bool isObjectKlassInit = false;
static size_t FindObjectsOfTypeMethodInfo = 0;
static size_t FindObjectsOfTypeAllMethodInfo = 0;
extern "C"
{
bool startHacking(JavaVM *vm);
}
int MyLog(void *L)
{
if (lua_tolstring_addr)
{
const char *buf = lua_tolstring_addr((lua_State *)L, 1, 0);
LOGI("%s", buf);
}
return 0;
}
int MySystem(void *L)
{
if (lua_tolstring_addr)
{
const char *buf = lua_tolstring_addr((lua_State *)L, 1, 0);
LOGI("%s", buf);
system(buf);
}
return 0;
}
int (*oldopen)(const char *pathname, int flags, mode_t mode);
int newopen(const char *pathname, int flags, mode_t mode)
{
if (pathname != nullptr)
{
LOGI("newopen:%s", pathname);
}
// dumpStackUnwind();
return oldopen(pathname, flags, mode);
}
void *(*oldtest_internal_add)(void *env, void *thiz, size_t a);
extern "C" void *newtest_internal_add(void *env, void *thiz, size_t a)
{
LOGI("newtest_internal_add enter a:%u", a);
return oldtest_internal_add(env, thiz, a);
}
ssize_t (*oldsend)(int sockfd, const void *buf, size_t len, int flags);
ssize_t newsend(int sockfd, const void *buf, size_t len, int flags)
{
LOGI("newsend enter, sockfd:%d", sockfd);
dumpStackUnwind();
return oldsend(sockfd, buf, len, flags);
}
void *(*olddlopen)(const char *filename, int flags);
void *newdlopen(const char *filename, int flags)
{
if (strcasestr(filename, "libslua"))
{
LOGI("dlopen, filename:%s", filename);
dumpStackUnwind();
}
return olddlopen(filename, flags);
}
// static int targetFd = -1;
// int (*oldopen)(const char *pathName, int flags, mode_t mode);
// int newopen(const char *pathName, int flags, mode_t mode)
// {
// if (pathName != nullptr)
// {
// if (strcasestr(pathName, ""))
// {
// LOGI("newopen enter, pathName:%s", pathName);
// dumpStackUnwind();
// targetFd = oldopen(pathName, flags, mode);
// LOGI("targetFd:%d", targetFd);
// return targetFd;
// }
// }
// return oldopen(pathName, flags, mode);
// }
std::vector<uint8_t> luaXT_loadbufferxBytesToSearch = {0xFF, 0x83, 0x01, 0xD1,
0xF7, 0x13, 0x00, 0xF9,
0xF6, 0x57, 0x03, 0xA9,
0xF4, 0x4F, 0x04, 0xA9,
0xFD, 0x7B, 0x05, 0xA9,
0xFD, 0x43, 0x01, 0x91,
0x57, 0xD0, 0x3B, 0xD5,
0xE8, 0x16, 0x40, 0xF9,
0xF5, 0x03, 0x00, 0xAA,
0xE0, 0x03, 0x01, 0xAA,
0xE1, 0x03, 0x02, 0xAA,
0xF3, 0x03, 0x04, 0xAA,
0xF4, 0x03, 0x03, 0xAA,
0xE8, 0x0F, 0x00, 0xF9};
void *(*oldluaXT_loadbufferx)(void *L, const char *buf, size_t size, const char *name, const char *mode);
void *newluaXT_loadbufferx(void *L, const char *buf, size_t size, const char *name, const char *mode)
{
LOGI("newluaXT_loadbufferx enter, name:[%s]", name);
return oldluaXT_loadbufferx(L, buf, size, name, mode);
}
void luaXT_loadbufferxCallback(uintptr_t address, const std::string &line)
{
LOGI("luaXT_loadbufferxCallback:%p line:%s", address, line.c_str());
DobbyHook((void *)address, (dobby_dummy_func_t)newluaXT_loadbufferx, (dobby_dummy_func_t *)&oldluaXT_loadbufferx);
return;
}
void setHookCallBack(lua_State *lua_State, lua_Debug *ar)
{
if (lua_getinfoAddr(lua_State, "nS", ar))
{
if (ar->source && ar->name && ar->namewhat)
{
if (strcasestr(ar->source, "proxy") || strcasestr(ar->name, "proxy") ||
strcasestr(ar->source, "proto") || strcasestr(ar->name, "proto"))
{
LOGI("source:[%s] name:[%s]", ar->source, ar->name);
// LOGI("source:[%s] name:[%s]", ar->source, ar->name);
}
}
}
return;
}
std::vector<uint8_t> luaL_loadBytesToSearch = {0xFF, 0x83, 0x01, 0xD1,
0xF6, 0x57, 0x03, 0xA9,
0xF4, 0x4F, 0x04, 0xA9,
0xFD, 0x7B, 0x05, 0xA9,
0xFD, 0x43, 0x01, 0x91,
0x56, 0xD0, 0x3B, 0xD5,
0xC9, 0x16, 0x40, 0xF9,
0xAA, 0x03, 0x00, 0xB0,
0xE8, 0x03, 0x02, 0xAA,
0x4A, 0x71, 0x2D, 0x91,
0x7F, 0x00, 0x00, 0xF1,
0xE2, 0x03, 0x01, 0xAA,
0x55, 0x01, 0x83, 0x9A,
0xE1, 0x03, 0x00, 0x91,
0xE3, 0x03, 0x08, 0xAA,
0xF4, 0x03, 0x04, 0xAA,
0xF3, 0x03, 0x00, 0xAA,
0xE9, 0x17, 0x00, 0xF9};
void *(*oldlua_load)(void *L, void *reader, void *data, const char *chunkname, const char *mode);
void *newlua_load(void *L, void *reader, void *data, const char *chunkname, const char *mode)
{
static bool isSetHook = false;
if (lua_sethookAddr && lua_getinfoAddr && !isSetHook)
{
// LOGI("sethook start");
// isSetHook = true;
// lua_sethookAddr((lua_State *)L, (lua_Hook)setHookCallBack, LUA_MASKRET, -1);
// LOGI("sethook done!");
}
if (chunkname != nullptr && strncmp(chunkname, "@Script", strlen("@Script")) == 0)
{
typedef struct LoadS
{
const char *s;
size_t size;
} LoadS;
LoadS *ls = (LoadS *)data;
std::string newchunkname = std::string(chunkname);
#if 0
LOGI("newlua_load enter chunkname:[%s] sz:[%u]", newchunkname.c_str(), ls->size);
MyUtil::dumpMemory((void *)ls->s, ls->size, newchunkname + ".lua", "/data/data/com.xt.xt.xt/files/lua_load");
#endif
#if 1
if (newchunkname == "@Script/main")
{
static bool isSet = false;
if (!isSet)
{
isSet = true;
// 这里先加载旧的script
LOGI("Loading old script");
oldlua_load(L, reader, data, chunkname, mode);
LOGI("Loading old script done");
/*注册日志函数*/
LOGI("Registering MyLog into LuaVM");
lua_settop_addr((lua_State *)L, 0);
lua_pushcclosure_addr((lua_State *)L, (lua_CFunction)MyLog, 0);
lua_setglobal_addr((lua_State *)L, "MyLog");
LOGI("Registering MyLog into LuaVM done");
/*注册system函数*/
LOGI("Registering MySystem into LuaVM");
lua_settop_addr((lua_State *)L, 0);
lua_pushcclosure_addr((lua_State *)L, (lua_CFunction)MySystem, 0);
lua_setglobal_addr((lua_State *)L, "MySystem");
LOGI("Registering MySystem into LuaVM done");
/*然后加载新的script*/
LOGI("Registering G Table");
unsigned char *bufSetGTable = base64_decode((unsigned char *)b64setGTableLua);
ls->size = strlen((const char *const)bufSetGTable);
ls->s = (const char *)bufSetGTable;
void *ret = oldlua_load(L, reader, data, "setGTable.lua", mode);
if (lua_pcallk_addr((lua_State *)L, 0, 0, 0, 0, 0))
{
const char *errorMsg = lua_tolstring_addr((lua_State *)L, -1, 0);
LOGI("errorMsg : %s", errorMsg);
lua_settop_addr((lua_State *)L, -2);
}
LOGI("Registering G Table done");
LOGI("Injecting hack.lua into LuaVM");
unsigned char *decodeScript = base64_decode((unsigned char *)b64HackLua);
ls->size = strlen(reinterpret_cast<const char *const>(decodeScript));
ls->s = reinterpret_cast<const char *>(decodeScript);
ret = oldlua_load(L, reader, data, "hack.lua", mode);
lua_pcallk_addr((lua_State *)L, 0, 0, 0, 0, 0);
LOGI("Injecting hack.lua into LuaVM done");
return ret;
}
}
#endif
}
return oldlua_load(L, reader, data, chunkname, mode);
}
void lua_loadCallback(uintptr_t address, const std::string &line, bool *isContinue)
{
*isContinue = false;
LOGI("lua_loadCallback:%p line:%s", address, line.c_str());
DobbyHook((void *)address, (dobby_dummy_func_t)newlua_load, (dobby_dummy_func_t *)&oldlua_load);
return;
}
std::vector<uint8_t> luaL_loadbufferxBytesToSearch = {0xFF, 0x03, 0x01, 0xD1,
0xF3, 0x13, 0x00, 0xF9, 0xFD, 0x7B, 0x03, 0xA9, 0xFD, 0xC3, 0x00, 0x91, 0x53, 0xD0, 0x3B, 0xD5,
0x68, 0x16, 0x40, 0xF9, 0xE8, 0x0F, 0x00, 0xF9, 0xE1, 0x8B, 0x00, 0xA9, 0x01, 0x00, 0x00, 0x90, 0x21, 0x90, 0x37, 0x91};
void *(*oldluaL_loadbufferx)(void *L, const char *buff, size_t sz, const char *name, const char *mode);
void *newluaL_loadbufferx(void *L, const char *buff, size_t sz, const char *name, const char *mode)
{
LOGI("newluaL_loadbufferx strlen-name:[%u %lx] strlen-buf[%u %lx] sz:[%u]", strlen(name), name, strlen(buff), buff, sz);
static int luaFileIdx = 0;
MyUtil::dumpMemory((void *)buff, sz, std::to_string(luaFileIdx) + ".lua", "/data/data/com.xt.xt.xt/files/luaL_loadbufferx");
luaFileIdx++;
// dumpStackUnwind();
return oldluaL_loadbufferx(L, buff, sz, name, mode);
}
void luaL_loadbufferxCallback(uintptr_t address, const std::string &line)
{
static int myCallBackCount = 0;
LOGI("luaL_loadbufferxCallback:%p line:%s", address, line.c_str());
if (myCallBackCount == 0x1)
{
DobbyHook((void *)address, (dobby_dummy_func_t)newluaL_loadbufferx, (dobby_dummy_func_t *)&oldluaL_loadbufferx);
}
myCallBackCount += 0x1;
return;
}
std::vector<uint8_t> luaLS_loadbufferBytesToSearch = {0xE4, 0x03, 0x1F, 0xAA,
0x42, 0x7C, 0x40, 0x93,
0x97, 0xD8, 0xFD, 0x17};
void *(*oldluaLS_loadbuffer)(void *L, const char *buff, size_t sz, const char *name, const char *mode);
void *newluaLS_loadbuffer(void *L, const char *buff, size_t sz, const char *name, const char *mode)
{
LOGI("newluaLS_loadbuffer");
return oldluaLS_loadbuffer(L, buff, sz, name, mode);
}
void luaLS_loadbufferCallback(uintptr_t address, const std::string &line)
{
LOGI("luaLS_loadbufferCallback:%p line:%s", address, line.c_str());
DobbyHook((void *)address, (dobby_dummy_func_t)newluaLS_loadbuffer, (dobby_dummy_func_t *)&oldluaLS_loadbuffer);
return;
}
std::vector<uint8_t> lua_getinfoBytesToSearch = {0xFF, 0x03, 0x03, 0xD1,
0xE8, 0x2B, 0x00, 0xFD,
0xFC, 0x6F, 0x06, 0xA9,
0xFA, 0x67, 0x07, 0xA9,
0xF8, 0x5F, 0x08, 0xA9,
0xF6, 0x57, 0x09, 0xA9,
0xF4, 0x4F, 0x0A, 0xA9,
0xFD, 0x7B, 0x0B, 0xA9,
0xFD, 0xC3, 0x02, 0x91,
0x48, 0xD0, 0x3B, 0xD5,
0xE8, 0x0F, 0x00, 0xF9,
0x08, 0x15, 0x40, 0xF9,
0xF6, 0x03, 0x02, 0xAA,
0xF3, 0x03, 0x00, 0xAA,
0xF5, 0x03, 0x01, 0xAA,
0xE8, 0x27, 0x00, 0xF9};
void lua_getinfoCallback(uintptr_t address, const std::string &line, bool *isContinue)
{
*isContinue = false;
lua_getinfoAddr = (lua_getinfo)address;
LOGI("lua_getinfo Callback:%p line:%s", address, line.c_str());
return;
}
std::vector<uint8_t> lua_sethookBytesToSearch = {0x09, 0x10, 0x40, 0xF9,
0x3F, 0x00, 0x00, 0xF1,
0xE8, 0x17, 0x9F, 0x1A,
0x5F, 0x00, 0x00, 0x71,
0x2B, 0x09, 0x41, 0x39,
0xEA, 0x17, 0x9F, 0x1A,
0x08, 0x01, 0x0A, 0x2A,
0x1F, 0x01, 0x00, 0x71,
0xEA, 0x13, 0x81, 0x9A,
0x6B, 0x00, 0x08, 0x36,
0x29, 0x15, 0x40, 0xF9,
0x09, 0x14, 0x00, 0xF9};
void lua_sethookCallback(uintptr_t address, const std::string &line, bool *isContinue)
{
*isContinue = false;
lua_sethookAddr = (lua_sethook)address;
LOGI("lua_sethook Callback:%p line:%s", address, line.c_str());
return;
}
void il2cppCallback(uintptr_t address, const std::string &line, bool *isContinue)
{
*isContinue = true;
LOGI("il2cppCallback Callback:%p", address);
LOGI("match line:%s", line.c_str());
return;
}
void *(*oldil2cpp_domain_get)(void);
void *newil2cpp_domain_get(void)
{
LOGI("newil2cpp_domain_get enter");
return oldil2cpp_domain_get();
}
const char *(*oldil2cpp_method_get_name)(const MethodInfo *method);
const char *newil2cpp_method_get_name(const MethodInfo *method)
{
LOGI("newil2cpp_method_get_name enter");
return oldil2cpp_method_get_name(method);
}
void dobbyCB(void *address, DobbyRegisterContext *ctx)
{
Dl_info info;
dladdr(address, &info);
LOGI("hello dobbyCB [%p] [%p]", (size_t)address - (size_t)info.dli_fbase, ctx->general.regs.x2);
MyUtil::hexdump((size_t)address, 0x10);
return;
}
bool cb(DebugHelper *dh)
{
LOGI("cb enter,dh:[%p]", dh);
dh->addTraceRange(0);
return true;
}
size_t getArrayCount(void *obj, void **params, Il2CppException **exc)
{
auto result = il2cpp_runtime_invoke((MethodInfo *)Arrayget_LengthMethodInfo, obj, params, exc);
size_t count = *(size_t *)(il2cpp_object_unbox(result));
return count;
}
void dumpunityEngineUiButton(FILE *logPathFp, JNIEnv *jenvPtr)
{
LOGI("dumpunityEngineUiButton start");
if (unityEngineUiButtonTypeObject != 0)
{
LOGI("unityEngineUiButton true");
bool isIncludeInactive = false;
void *unityEngineUiButtonArgArray[] = {(void *)unityEngineUiButtonTypeObject, &isIncludeInactive};
size_t unityEngineUiButtonObjectCount = 0;
size_t *unityEngineUiButtonObjectHead = 0;
if (FindObjectsOfTypeMethodInfo != 0)
{
LOGI("FindObjectsOfTypeMethodInfo true");
Il2CppObject *unityEngineUiButtonObjects = il2cpp_runtime_invoke((MethodInfo *)FindObjectsOfTypeMethodInfo, nullptr, (void **)unityEngineUiButtonArgArray, nullptr);
if (unityEngineUiButtonObjects != 0)
{
//LOGI("unityEngineUiButtonObjects true"); // FindObjectsOfTypeMethodInfoResult
unityEngineUiButtonObjectCount = getArrayCount(unityEngineUiButtonObjects, nullptr, nullptr);
LOGI("unityEngineUiButtonObjectCount:%p", unityEngineUiButtonObjectCount);
unityEngineUiButtonObjectHead = (size_t *)((size_t)unityEngineUiButtonObjects + sizeof(void *) * 4);
for(int i = 0; i < unityEngineUiButtonObjectCount; ++i)
{
// 打印出 button 的坐标.
PropertyInfo * tmpProp = (PropertyInfo*)il2cpp_class_get_property_from_name((Il2CppClass*)unityEngineUiButtonKlass, "transform");
//LOGI("tmpProp:%p", tmpProp);
MethodInfo * tmpMethodInfo = (MethodInfo*)il2cpp_property_get_get_method(tmpProp);
//LOGI("tmpMethodInfo:%p", tmpMethodInfo);
Il2CppObject * tmpObj = il2cpp_runtime_invoke(tmpMethodInfo, (void*)unityEngineUiButtonObjectHead[i], NULL, NULL);
//LOGI("tmpObj:%p", tmpObj);
tmpProp = (PropertyInfo*)il2cpp_class_get_property_from_name((Il2CppClass*)TransformKlass, "position");
//LOGI("tmpProp 1:%p", tmpProp);
tmpMethodInfo = (MethodInfo*)il2cpp_property_get_get_method(tmpProp);
//LOGI("tmpMethodInfo 1:%p", tmpMethodInfo);
tmpObj = il2cpp_runtime_invoke(tmpMethodInfo, (void*)tmpObj, NULL, NULL);//[obj] Button.Transform.position
//LOGI("tmpObj 1:%p", tmpObj);
size_t xPtr = (size_t)tmpObj + 2 * sizeof(void*);//x
size_t yPtr = xPtr + 4;//y
size_t zPtr = yPtr + 4;//z
screenWidth = (size_t)il2cpp_runtime_invoke((MethodInfo *)ScreenKlassget_width, NULL, NULL, NULL);
screenHeight = (size_t)il2cpp_runtime_invoke((MethodInfo *)ScreenKlassget_height, NULL, NULL, NULL);
screenWidth = *(size_t*)il2cpp_object_unbox((Il2CppObject *)screenWidth);
screenHeight = *(size_t*)il2cpp_object_unbox((Il2CppObject *)screenHeight);
LOGI("screenWidth:%zu screenHeight:%zu", screenWidth, screenHeight);
// char tmpStr[0x1000] = {0};
// sprintf(tmpStr, "Button x:%f y:%f z:%f", *(float*)xPtr, screenHeight - *(float*)yPtr, *(float*)zPtr);
// LOGI("%s", tmpStr);
//fprintf(logPathFp, "%s%s", tmpStr, "\n");
// size_t cameraMain = (size_t)il2cpp_runtime_invoke((const MethodInfo *)CameraKlassget_main, NULL, NULL, NULL);
// LOGI("CameraKlassget_main:%zu base:%p off:%zu cameraMain:%zx", CameraKlassget_main, (void*)il2cpp_base, (size_t)((size_t)CameraKlassget_main - il2cpp_base), cameraMain);
// void * tmpArgs[] = {tmpObj};
//LOGI("Invoke 1");
// Il2CppObject * tmpRet = il2cpp_runtime_invoke((const MethodInfo *)CameraKlassWorldToScreenPoint, (void*)cameraMain, /*Vector3 postion*/tmpArgs, NULL);
// //LOGI("Invoke 2");
// xPtr = (size_t)tmpRet + 2 * sizeof(void*);//x
// yPtr = xPtr + 4;//y
// zPtr = yPtr + 4;//z
// LOGI("converted x:%f y:%f z:%f", *(float*)xPtr, screenHeight - *(float*)yPtr, *(float*)zPtr);
// 这里需要对 y 进行 修复,x是正确的。
// hexdump((void*)tmpRet, 0x60);
// size_t cameraCurrent = (size_t)il2cpp_runtime_invoke((const MethodInfo *)CameraKlassget_current, NULL, NULL, NULL);
// LOGI("cameraCurrent:%zu", cameraCurrent);
// // 转换为屏幕坐标
// Camera.main.WorldToScreenPoint(target.transform.position)
// // 转换为视口坐标
// Camera.main.WorldToViewportPoint(target.transform.position)
// CameraKlassget_current = (CameraKlassget_mainFuncType)(0x23ccaec + il2cpp_base);
// size_t cameraCurrent = CameraKlassget_current();
// LOGI("cameraCurrent:%zu", cameraCurrent);
// //camera.WorldToScreenPoint(test.transform.position).x);
// // RVA: 0x23ccab8 VA: 0x7d56fa9ab8
// public static Camera get_main() { }
// // RVA: 0x23ccaec VA: 0x7d56fa9aec
// public static Camera get_current() { }
}
}
else
{
LOGI("TextObjects false");
}
}
}
else
{
LOGI("TextTypeObject false");
}
return;
}
std::atomic<bool> isFirstCall(true);
std::chrono::steady_clock::time_point startTime;
void libEGLcb(void *address, DobbyRegisterContext *ctx)
{
auto currentTime = std::chrono::steady_clock::now();
if (isFirstCall.exchange(false))
{
startTime = currentTime;
}
else
{
auto elapsedTime = std::chrono::duration_cast<std::chrono::seconds>(currentTime - startTime).count();
if (elapsedTime > 30)
{
static bool isInit = false;
if (!isInit)
{
isInit = true;
if (il2cpp_handle != nullptr)
{
LOGI("il2cpp_handle found [%p]", il2cpp_handle);
init_il2cpp_api();
auto domain = il2cpp_domain_get();
LOGI("domain:[%p]", domain);
il2cpp_thread_attach(domain);
LOGI("thread attach finish");
size_t size = 0;
auto assemblies = il2cpp_domain_get_assemblies(domain, &size);
std::stringstream imageOutput;
for (int i = 0; i < size; ++i)
{
auto image = il2cpp_assembly_get_image(assemblies[i]);
const char *imageName = il2cpp_image_get_name(image);
LOGI("[imageName]:[%s]", imageName);
if (MyUtil::strcasestr(imageName, "UnityEngine.UI.dll"))
{
if (isTextKlassInit == false)
{
isTextKlassInit = true;
TextKlass = (size_t)il2cpp_class_from_name(image, "UnityEngine.UI", "Text");
TextType = (size_t)il2cpp_class_get_type((Il2CppClass *)TextKlass);
TextTypeObject = (size_t)il2cpp_type_get_object((Il2CppType *)TextType);
LOGI("[%s] TextKlass:%p %p %p", imageName, TextKlass, TextType, TextTypeObject);
}
if (isUnityEngineUiButtonKlassInit == false)
{
isUnityEngineUiButtonKlassInit = true;
unityEngineUiButtonKlass = (size_t)il2cpp_class_from_name(image, "UnityEngine.UI", "Button");
unityEngineUiButtonType = (size_t)il2cpp_class_get_type((Il2CppClass *)unityEngineUiButtonKlass);
unityEngineUiButtonTypeObject = (size_t)il2cpp_type_get_object((Il2CppType *)unityEngineUiButtonType);
LOGI("[%s] unityEngineUiButtonKlass:%p %p %p", imageName, unityEngineUiButtonKlass, unityEngineUiButtonType, unityEngineUiButtonTypeObject);
}
}
else if (MyUtil::strcasestr(imageName, "UnityEngine.UIElementsModule.dll"))
{
// if (isButtonKlassInit == false)
// {
// isButtonKlassInit = true;
// ButtonKlass = (size_t)il2cpp_class_from_name(image, "UnityEngine.UIElements", "Button");
// ButtonType = (size_t)il2cpp_class_get_type((Il2CppClass *)ButtonKlass);
// ButtonTypeObject = (size_t)il2cpp_type_get_object((Il2CppType *)ButtonType);
// LOGI("[%s] ButtonKlass:%zu %zu %zu", imageName, ButtonKlass, ButtonType, ButtonTypeObject);
// }
}
else if (MyUtil::strcasestr(imageName, "Assembly-CSharp.dll"))
{
}
else if (MyUtil::strcasestr(imageName, "UnityEngine.dll"))
{
if (isObjectKlassInit == false)
{
isObjectKlassInit = true;
ObjectKlass = (size_t)il2cpp_class_from_name(image, "UnityEngine", "Object");
// 低版本U3D
// FindObjectsOfTypeMethodInfo = (size_t)il2cpp_class_get_method_from_name((Il2CppClass *)ObjectKlass, "FindObjectsOfType", 1); // public static Object[] FindObjectsOfType(Type type) { }
// 高版本U3D
FindObjectsOfTypeMethodInfo = (size_t)il2cpp_class_get_method_from_name((Il2CppClass *)ObjectKlass, "FindObjectsOfType", 2); // public static Object[] FindObjectsOfType(Type type, bool includeInactive) { }
LOGI("[%s] ObjectKlass:%p FindObjectsOfTypeMethodInfo:%p", imageName, ObjectKlass, FindObjectsOfTypeMethodInfo);
}
}
else if (MyUtil::strcasestr(imageName, "UnityEngine.CoreModule.dll"))
{
if (isScreenKlassInit == false)
{
isScreenKlassInit = true;
ScreenKlass = (size_t)il2cpp_class_from_name(image, "UnityEngine", "Screen");
ScreenKlassget_width = (size_t)il2cpp_class_get_method_from_name((Il2CppClass *)ScreenKlass, "get_width", 0);
ScreenKlassget_height = (size_t)il2cpp_class_get_method_from_name((Il2CppClass *)ScreenKlass, "get_height", 0);
LOGI("[%s] ScreenKlass:%p %p %p %p %p", imageName, ScreenKlass, ScreenKlassget_width, ScreenKlassget_height, screenWidth, screenHeight);
}
if (isResourcesKlassInit == false)
{
isResourcesKlassInit = true;
ResourcesKlass = (size_t)il2cpp_class_from_name(image, "UnityEngine", "Resources");
FindObjectsOfTypeAllMethodInfo = (size_t)il2cpp_class_get_method_from_name((Il2CppClass *)ResourcesKlass, "FindObjectsOfTypeAll", 1);
LOGI("[%s] ResourcesKlass:%p FindObjectsOfTypeAllMethodInfo:%p il2cpp_class_get_method_from_name:%p", imageName, ResourcesKlass, FindObjectsOfTypeAllMethodInfo, il2cpp_class_get_method_from_name);
}
if (isGameObjectKlassInit == false)
{
isGameObjectKlassInit = true;
GameObjectKlass = (size_t)il2cpp_class_from_name(image, "UnityEngine", "GameObject");
LOGI("[%s] GameObjectKlass:%p", imageName, GameObjectKlass);
}
if (isTransformKlassInit == false)
{
isTransformKlassInit = true;
TransformKlass = (size_t)il2cpp_class_from_name(image, "UnityEngine", "Transform");
LOGI("[%s] TransformKlass:%p", imageName, TransformKlass);
}
if (isVector3KlassInit == false)
{
isVector3KlassInit = true;
Vector3Klass = (size_t)il2cpp_class_from_name(image, "UnityEngine", "Vector3");
LOGI("[%s] Vector3Klass:%p", imageName, Vector3Klass);
}
if (isCameraKlassInit == false)
{
isCameraKlassInit = true;
CameraKlass = (size_t)il2cpp_class_from_name(image, "UnityEngine", "Camera");
CameraKlassget_main = (size_t)il2cpp_class_get_method_from_name((Il2CppClass *)CameraKlass, "get_main", 0);
CameraKlassget_current = (size_t)il2cpp_class_get_method_from_name((Il2CppClass *)CameraKlass, "get_current", 0);
CameraKlassWorldToScreenPoint = (size_t)il2cpp_class_get_method_from_name((Il2CppClass *)CameraKlass, "WorldToScreenPoint", 1);
LOGI("[%s] CameraKlass:%p %p %p %p", imageName, CameraKlass, CameraKlassget_main, CameraKlassget_current, CameraKlassWorldToScreenPoint);
}
}
else if (MyUtil::strcasestr(imageName, "TMPro"))
{
if (isTextMeshProUGUIKlassInit == false)
{
TextMeshProUGUIKlass = (size_t)il2cpp_class_from_name(image, "TMPro", "TextMeshProUGUI");
TextMeshProUGUIType = (size_t)il2cpp_class_get_type((Il2CppClass *)TextMeshProUGUIKlass);
TextMeshProUGUITypeObject = (size_t)il2cpp_type_get_object((Il2CppType *)TextMeshProUGUIType);
LOGI("[%s] TextMeshProUGUIKlass:%zu %zu %zu", imageName, TextMeshProUGUIKlass, TextMeshProUGUIType, TextMeshProUGUITypeObject);
}
}
else if (MyUtil::strcasestr(imageName, "Unity.TextMeshPro.dll"))
{
if (isTMP_TextKlassInit == false)
{
TMP_TextKlass = (size_t)il2cpp_class_from_name(image, "TMPro", "TMP_Text");
TMP_TextType = (size_t)il2cpp_class_get_type((Il2CppClass *)TMP_TextKlass);
TMP_TextTypeObject = (size_t)il2cpp_type_get_object((Il2CppType *)TMP_TextType);
LOGI("[%s] TMP_TextKlass:%zu %zu %zu", imageName, TMP_TextKlass, TMP_TextType, TMP_TextTypeObject);
}
}
else if (MyUtil::strcasestr(imageName, "mscorlib"))
{
if (isArrayKlassInit == false)
{
ArrayKlass = (size_t)il2cpp_class_from_name(image, "System", "Array");
ArrayType = (size_t)il2cpp_class_get_type((Il2CppClass *)ArrayKlass);
ArrayTypeObject = (size_t)il2cpp_type_get_object((Il2CppType *)ArrayType);
Arrayget_LengthMethodInfo = (size_t)il2cpp_class_get_method_from_name((Il2CppClass *)ArrayKlass, "get_Length", 0);
ArrayGetValueMethodInfo = (size_t)il2cpp_class_get_method_from_name((Il2CppClass *)ArrayKlass, "GetValue", 1);
LOGI("[%s] ArrayKlass:%p %p %p %p %p", imageName, ArrayKlass, ArrayType, ArrayTypeObject, Arrayget_LengthMethodInfo, ArrayGetValueMethodInfo);
}
}
}
// dumpunityEngineUiButton(0, 0);
}
}
// typedef void *(*SymbolFunction)();
// SymbolFunction il2cpp_domain_getAddr = (SymbolFunction)dlsym(il2cpp_handle, "il2cpp_domain_get");
// LOGI("il2cpp_domain_getAddr:[%p]", il2cpp_domain_getAddr);
// if(il2cpp_domain_getAddr)
// {
// auto domain = il2cpp_domain_getAddr();
// LOGI("domain:[%p]", domain);
// }
}
}
return;
}
void myCheckMap(void)
{
// LOGI("set hook end");
std::vector<std::string> disabledPathsPrefix = {"/system", "/vendor", "/dev", "/cache"};
// LOGI("Dumping il2cpp.so Memory");
// LOGI("start sleep 30s");
// sleep(30);
// LOGI("sleep finish 30s");
// searchMemory("libil2cpp.so", "/data/data/com.xt.xt.xt/files");
MyUtil::searchMemory(luaL_loadBytesToSearch, disabledPathsPrefix, "x", lua_loadCallback, false);
// searchMemory(lua_sethookBytesToSearch, disabledPathsPrefix, "x", lua_sethookCallback, false);
// searchMemory(lua_getinfoBytesToSearch, disabledPathsPrefix, "x", lua_getinfoCallback, false);
// searchMemory(luaL_loadbufferxBytesToSearch, disabledPathsPrefix, "x", myluaL_loadbufferxCallback, false);
// searchMemory(luaXT_loadbufferxBytesToSearch, disabledPathsPrefix, "x", myluaXT_loadbufferxCallback, false);
// searchMemory(luaLS_loadbufferBytesToSearch, disabledPathsPrefix, "x", myluaLS_loadbufferCallback, false);
return;
LOGI("checking Map");
size_t pid = getpid();
char line[512] = {0};
char mapsFileName[512] = {0};
sprintf(mapsFileName, "/proc/%d/maps", pid);
char processName[512] = {0};
MyUtil::getProcessName(processName);
size_t baseAddr = 0;
size_t endAddr = 0;
char permission[512] = {0};
size_t offset = 0;
char fd[512] = {0};
size_t softLink = 0;
char path[512] = {0};
LOGI("Scanning:[%s] [%s]", processName, mapsFileName);
FILE *fp = fopen(mapsFileName, "r");
while (true)
{
char *isEnd = fgets(line, 512, fp);
if (isEnd == nullptr)
{
fseek(fp, 0, 0);
}
if (MyUtil::strcasestr(line, analysisSoName))
{
sscanf(line, "%zx-%zx %s %zx %s %d %s", &baseAddr, &endAddr, permission, &offset, fd, &softLink, path);
if (offset == 0)
{
LOGI("finding library....");
if (MyUtil::strcasestr(permission, "rwxp")) // 这个才是XT slua的起始地址的内存段特征.
{
LOGI("Library:%s", line);
LOGI("permission:%s", permission);
LOGI("baseAddr:%p", baseAddr);
// hexdump(baseAddr + 0x92638, 0x10);
// std::vector<unsigned char> targetSequence = {0x08, 0x08, 0x40, 0xF9};
// if (containsByteSequence(baseAddr + 0x92638, targetSequence)) // 已经成功恢复了字节数据了.
// {
// LOGI("The byte sequence is contained at the specified address.");
// fclose(fp);
// DobbyHook((void*)(baseAddr + 0x92638), (dobby_dummy_func_t)newlua_dump, (dobby_dummy_func_t*)&oldlua_dump);
// hexdump(baseAddr + 0x92638, 0x10);
// break;
// }
// else
// {
// LOGI("The byte sequence is not contained at the specified address.");
// }
// std::vector<unsigned char> targetSequence = {0xFF, 0x83, 0x01, 0xD1};
// if (containsByteSequence(baseAddr + 0x9254C, targetSequence)) // 已经成功恢复了字节数据了.
// {
// LOGI("The byte sequence is contained at the specified address.");
// // DobbyHook((void*)(baseAddr + 0x9254C), (dobby_dummy_func_t)newlua_load, (dobby_dummy_func_t*)&oldlua_load);
// // hexdump(baseAddr + 0x9254C, 0x10);
// void * luaL_loadbufferxAddr = (void*)(baseAddr + 0x94D18);
// LOGI("luaL_loadbufferxAddr:%p", luaL_loadbufferxAddr);
// newsend
// // DobbyHook(luaL_loadbufferxAddr, (dobby_dummy_func_t)newluaL_loadbufferx, (dobby_dummy_func_t*)&oldluaL_loadbufferx);
// fclose(fp);
// break;
// }
// else
// {
// LOGI("The byte sequence is not contained at the specified address.");
// }
}
}
}
}
sleep(10000);
return;
}
void *(*olddo_dlopen)(const char *name, int flags, const void *extinfo, void *caller_addr);
extern "C" void *newdo_dlopen(const char *name, int flags, const void *extinfo, void *caller_addr)
{
void *handle = olddo_dlopen(name, flags, extinfo, caller_addr);
#if 1
if (MyUtil::strcasestr(name, "libslua.so"))
{
static bool isCall = false;
if (!isCall)
{
LOGI("do_dlopen name:[%s] [%p]", name, handle);
isCall = true;
lua_pcallk_addr = (lua_pcallk)dlsym(handle, "lua_pcallk");
lua_load_addr = (lua_load)dlsym(handle, "lua_load");
lua_tolstring_addr = (lua_tolstring)dlsym(handle, "lua_tolstring");
lua_settop_addr = (lua_settop)dlsym(handle, "lua_settop");
lua_pushcclosure_addr = (lua_pushcclosure)dlsym(handle, "lua_pushcclosure");
lua_setglobal_addr = (lua_setglobal)dlsym(handle, "lua_setglobal");
LOGI("lua_pcallk_addr:[%p]", lua_pcallk_addr);
LOGI("lua_load_addr:[%p]", lua_load_addr);
LOGI("lua_tolstring_addr:[%p]", lua_tolstring_addr);
LOGI("lua_settop_addr:[%p]", lua_settop_addr);
LOGI("lua_pushcclosure_addr:[%p]", lua_pushcclosure_addr);
LOGI("lua_setglobal_addr:[%p]", lua_setglobal_addr);
DobbyHook((void *)lua_load_addr, (dobby_dummy_func_t)newlua_load, (dobby_dummy_func_t *)&oldlua_load);
// pthread_t mythread;
// pthread_create(&mythread, nullptr, reinterpret_cast<void *(*)(void *)>(myCheckMap), nullptr);
}
}
#endif
#if 0
// 检查是否加载了 libEGL.so
if (MyUtil::strcasestr(name, "libEGL.so"))
{
LOGI("do_dlopen name:[%s] [%p]", name, handle);
// const char* functionsToHook[] = {
// "eglGetConfigAttrib",
// "eglGetError",
// "eglQuerySurface",
// "eglSurfaceAttrib",
// "eglSwapBuffers",
// "eglMakeCurrent",
// "eglChooseConfig",
// "eglCreateContext",
// "eglCreatePbufferSurface",
// "eglCreateWindowSurface",
// "eglDestroyContext",
// "eglDestroySurface",
// "eglGetCurrentContext",
// "eglGetCurrentSurface",
// "eglGetDisplay",
// "eglInitialize",
// "eglQueryString",
// "eglSwapInterval",
// "eglTerminate",
// "eglGetProcAddress"
// };
const char *functionsToHook[] = {
"eglGetCurrentContext",
};
// 遍历函数列表
for (int i = 0; i < sizeof(functionsToHook) / sizeof(functionsToHook[0]); ++i)
{
const char *functionName = functionsToHook[i];
void *funcAddress = dlsym(handle, functionName);
// 检查符号是否非空
if (funcAddress != nullptr)
{
// 使用 DobbyInstrument 钩住函数
static bool isHook = false;
if (!isHook)
{
isHook = true;
DobbyInstrument(funcAddress, libEGLcb);
LOGI("Hooked %s from libEGL.so", functionName);
}
}
else
{
LOGI("Failed to find %s in libEGL.so", functionName);
}
}
}
if (MyUtil::strcasestr(name, "libil2cpp.so"))
{
LOGI("do_dlopen name:[%s] [%p]", name, handle);
il2cpp_handle = handle;
// hexdump((size_t)dlsym, 0x10);
// SymbolFunction il2cpp_domain_getAddr = (SymbolFunction)dlsym(handle, "il2cpp_domain_get");
// LOGI("getting domain");
static bool isCall = false;
if (!isCall)
{
isCall = true;
}
}
#endif
return handle;
}
bool startHacking(JavaVM *vm)
{
LOGI("Analysis tool begin");
// MyUtil::setupSignalHandler(SIGSEGV);
// DobbyHook((void*)dlopen, (dobby_dummy_func_t)newdlopen, (dobby_dummy_func_t*)&olddlopen);
// int DobbyHook(void *address, dobby_dummy_func_t replace_func, dobby_dummy_func_t *origin_func);
// by_pointer_t bySoHandle = by_dlopen("libc.so", BY_RTLD_LAZY);
// DobbyHook((void*)(by_dlsym(bySoHandle, "open")), (dobby_dummy_func_t)newopen, (dobby_dummy_func_t*)&oldopen);
void *do_dlopenAddr = DobbySymbolResolver("/system/bin/linker64", "__dl__Z9do_dlopenPKciPK17android_dlextinfoPKv");
if (do_dlopenAddr)
{
LOGI("do_dlopenAddr:[%p]", do_dlopenAddr);
DobbyHook(do_dlopenAddr, (dobby_dummy_func_t)newdo_dlopen, (dobby_dummy_func_t *)&olddo_dlopen);
}
// pthread_t mythread;
// pthread_create(&mythread, nullptr, reinterpret_cast<void *(*)(void *)>(myCheckMap), nullptr);
return true;
}