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Update injector.cpp
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gggaa2152
GitHub
parent
34acd564b5
commit
2eae90fc14
68
injector.cpp
68
injector.cpp
@ -15,12 +15,12 @@
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#define NT_PRSTATUS 1
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#endif
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// 目标包名 (根据你的配置)
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// 目标包名
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const char* TARGET_PKG = "com.tencent.tmgp.sgame";
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// 注入库路径
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const char* LIB_PATH = "/data/1/libJKMenu.so";
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// 获取进程中模块的基地址，增加对 APEX 路径的兼容
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// 更加强力的模块基址获取函数
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uintptr_t get_module_base(pid_t pid, const char* module_name) {
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FILE* fp;
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uintptr_t addr = 0;
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@ -30,9 +30,13 @@ uintptr_t get_module_base(pid_t pid, const char* module_name) {
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fp = fopen(filename, "r");
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if (fp) {
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while (fgets(line, sizeof(line), fp)) {
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// 搜索包含 linker 的路径并确保是可执行段 (r-xp)
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if (strstr(line, module_name) && strstr(line, "r-xp")) {
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// 只要包含 linker 关键字且是该段的起始地址（通常第一条是基址）
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if (strstr(line, module_name)) {
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addr = strtoull(line, NULL, 16);
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// 打印调试信息，看看实际匹配到了什么
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if (pid == getpid()) {
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printf("[DEBUG] Local Map Match: %s", line);
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}
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break;
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}
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}
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@ -46,29 +50,28 @@ uintptr_t get_remote_dlopen(pid_t pid) {
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uintptr_t local_linker = 0;
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uintptr_t remote_linker = 0;
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// 适配 Android 10+ 的 APEX 路径和常规路径
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const char* linker_paths[] = {
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"bin/linker64",
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"bin/linker",
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"/apex/com.android.runtime/bin/linker64",
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"/apex/com.android.runtime/bin/linker"
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// 扩大搜索范围，尝试匹配各种可能的 linker 名称
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const char* linker_keywords[] = {
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"linker64",
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"linker",
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"com.android.runtime" // 适配某些 APEX 路径
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};
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for (int i = 0; i < 4; i++) {
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local_linker = get_module_base(getpid(), linker_paths[i]);
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remote_linker = get_module_base(pid, linker_paths[i]);
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for (int i = 0; i < 3; i++) {
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local_linker = get_module_base(getpid(), linker_keywords[i]);
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remote_linker = get_module_base(pid, linker_keywords[i]);
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if (local_linker && remote_linker) {
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printf("[+] Found Linker at: %s\n", linker_paths[i]);
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printf("[+] Linked found via keyword: %s\n", linker_keywords[i]);
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break;
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}
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}
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if (!local_linker || !remote_linker) {
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printf("[-] Error: Local Linker: %lx, Remote Linker: %lx\n", (long)local_linker, (long)remote_linker);
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printf("[-] Error: Local Linker Base: %lx, Remote Linker Base: %lx\n", (long)local_linker, (long)remote_linker);
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return 0;
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}
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// 获取本地 __loader_dlopen 地址 (Android 8.0+)
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// 获取本地 __loader_dlopen 地址
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void* local_func = dlsym(RTLD_DEFAULT, "__loader_dlopen");
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if (!local_func) {
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local_func = dlsym(RTLD_DEFAULT, "dlopen");
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@ -84,7 +87,7 @@ uintptr_t get_remote_dlopen(pid_t pid) {
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printf("[+] Local Linker Base: %lx\n", (long)local_linker);
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printf("[+] Remote Linker Base: %lx\n", (long)remote_linker);
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printf("[+] Function Offset: %lx\n", (long)offset);
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printf("[+] Function Offset: %lx, Remote Addr: %lx\n", (long)offset, (long)remote_addr);
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return remote_addr;
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}
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@ -123,25 +126,18 @@ int main() {
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printf("[-] Critical: Failed to calculate dlopen address!\n");
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return 1;
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}
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printf("[+] Calculated Remote dlopen: %lx\n", (long)dlopen_addr);
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// --- Ptrace 注入开始 ---
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// --- Ptrace 注入 ---
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if (ptrace(PTRACE_ATTACH, pid, NULL, NULL) < 0) {
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perror("[-] Attach failed");
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return 1;
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}
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printf("[*] Waiting for process to stop...\n");
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waitpid(pid, NULL, WUNTRACED);
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struct user_pt_regs regs;
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struct iovec iov = { .iov_base = ®s, .iov_len = sizeof(regs) };
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if (ptrace(PTRACE_GETREGSET, pid, (void*)(uintptr_t)NT_PRSTATUS, &iov) < 0) {
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perror("[-] Get regs failed");
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ptrace(PTRACE_DETACH, pid, NULL, NULL);
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return 1;
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}
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ptrace(PTRACE_GETREGSET, pid, (void*)(uintptr_t)NT_PRSTATUS, &iov);
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// 准备栈空间存放路径
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uintptr_t sp = (regs.sp - 512) & ~0xF;
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size_t len = strlen(LIB_PATH) + 1;
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for (size_t i = 0; i < len; i += 8) {
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@ -150,26 +146,18 @@ int main() {
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ptrace(PTRACE_POKETEXT, pid, (void*)(sp + i), (void*)data);
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}
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// 设置寄存器 (AArch64)
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regs.regs[0] = sp; // x0: .so path
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regs.regs[1] = 2; // x1: RTLD_NOW
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regs.pc = dlopen_addr; // pc: call dlopen
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regs.regs[30] = 0; // lr: exit on return
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if (ptrace(PTRACE_SETREGSET, pid, (void*)(uintptr_t)NT_PRSTATUS, &iov) < 0) {
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perror("[-] Set regs failed");
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ptrace(PTRACE_DETACH, pid, NULL, NULL);
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return 1;
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}
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regs.regs[0] = sp;
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regs.regs[1] = 2;
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regs.pc = dlopen_addr;
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regs.regs[30] = 0;
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ptrace(PTRACE_SETREGSET, pid, (void*)(uintptr_t)NT_PRSTATUS, &iov);
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printf("[*] Triggering remote load...\n");
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ptrace(PTRACE_CONT, pid, NULL, NULL);
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// 给系统加载 SO 留一点缓冲时间
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usleep(500000);
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ptrace(PTRACE_DETACH, pid, NULL, NULL);
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printf("[+] Injection Done. Check logcat for 'libJKMenu' results.\n");
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printf("[+] Injection Done.\n");
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return 0;
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}
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