diff --git a/injector.cpp b/injector.cpp index 4548ed6e5..4b0b6e877 100644 --- a/injector.cpp +++ b/injector.cpp @@ -15,12 +15,12 @@ #define NT_PRSTATUS 1 #endif -// 目标包名 (根据你的配置) +// 目标包名 const char* TARGET_PKG = "com.tencent.tmgp.sgame"; // 注入库路径 const char* LIB_PATH = "/data/1/libJKMenu.so"; -// 获取进程中模块的基地址,增加对 APEX 路径的兼容 +// 更加强力的模块基址获取函数 uintptr_t get_module_base(pid_t pid, const char* module_name) { FILE* fp; uintptr_t addr = 0; @@ -30,9 +30,13 @@ uintptr_t get_module_base(pid_t pid, const char* module_name) { fp = fopen(filename, "r"); if (fp) { while (fgets(line, sizeof(line), fp)) { - // 搜索包含 linker 的路径并确保是可执行段 (r-xp) - if (strstr(line, module_name) && strstr(line, "r-xp")) { + // 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) + if (strstr(line, module_name)) { addr = strtoull(line, NULL, 16); + // 打印调试信息,看看实际匹配到了什么 + if (pid == getpid()) { + printf("[DEBUG] Local Map Match: %s", line); + } break; } } @@ -46,29 +50,28 @@ uintptr_t get_remote_dlopen(pid_t pid) { uintptr_t local_linker = 0; uintptr_t remote_linker = 0; - // 适配 Android 10+ 的 APEX 路径和常规路径 - const char* linker_paths[] = { - "bin/linker64", - "bin/linker", - "/apex/com.android.runtime/bin/linker64", - "/apex/com.android.runtime/bin/linker" + // 扩大搜索范围,尝试匹配各种可能的 linker 名称 + const char* linker_keywords[] = { + "linker64", + "linker", + "com.android.runtime" // 适配某些 APEX 路径 }; - for (int i = 0; i < 4; i++) { - local_linker = get_module_base(getpid(), linker_paths[i]); - remote_linker = get_module_base(pid, linker_paths[i]); + for (int i = 0; i < 3; i++) { + local_linker = get_module_base(getpid(), linker_keywords[i]); + remote_linker = get_module_base(pid, linker_keywords[i]); if (local_linker && remote_linker) { - printf("[+] Found Linker at: %s\n", linker_paths[i]); + printf("[+] Linked found via keyword: %s\n", linker_keywords[i]); break; } } if (!local_linker || !remote_linker) { - printf("[-] Error: Local Linker: %lx, Remote Linker: %lx\n", (long)local_linker, (long)remote_linker); + printf("[-] Error: Local Linker Base: %lx, Remote Linker Base: %lx\n", (long)local_linker, (long)remote_linker); return 0; } - // 获取本地 __loader_dlopen 地址 (Android 8.0+) + // 获取本地 __loader_dlopen 地址 void* local_func = dlsym(RTLD_DEFAULT, "__loader_dlopen"); if (!local_func) { local_func = dlsym(RTLD_DEFAULT, "dlopen"); @@ -84,7 +87,7 @@ uintptr_t get_remote_dlopen(pid_t pid) { printf("[+] Local Linker Base: %lx\n", (long)local_linker); printf("[+] Remote Linker Base: %lx\n", (long)remote_linker); - printf("[+] Function Offset: %lx\n", (long)offset); + printf("[+] Function Offset: %lx, Remote Addr: %lx\n", (long)offset, (long)remote_addr); return remote_addr; } @@ -123,25 +126,18 @@ int main() { printf("[-] Critical: Failed to calculate dlopen address!\n"); return 1; } - printf("[+] Calculated Remote dlopen: %lx\n", (long)dlopen_addr); - // --- Ptrace 注入开始 --- + // --- Ptrace 注入 --- if (ptrace(PTRACE_ATTACH, pid, NULL, NULL) < 0) { perror("[-] Attach failed"); return 1; } - printf("[*] Waiting for process to stop...\n"); waitpid(pid, NULL, WUNTRACED); struct user_pt_regs regs; struct iovec iov = { .iov_base = ®s, .iov_len = sizeof(regs) }; - if (ptrace(PTRACE_GETREGSET, pid, (void*)(uintptr_t)NT_PRSTATUS, &iov) < 0) { - perror("[-] Get regs failed"); - ptrace(PTRACE_DETACH, pid, NULL, NULL); - return 1; - } + ptrace(PTRACE_GETREGSET, pid, (void*)(uintptr_t)NT_PRSTATUS, &iov); - // 准备栈空间存放路径 uintptr_t sp = (regs.sp - 512) & ~0xF; size_t len = strlen(LIB_PATH) + 1; for (size_t i = 0; i < len; i += 8) { @@ -150,26 +146,18 @@ int main() { ptrace(PTRACE_POKETEXT, pid, (void*)(sp + i), (void*)data); } - // 设置寄存器 (AArch64) - regs.regs[0] = sp; // x0: .so path - regs.regs[1] = 2; // x1: RTLD_NOW - regs.pc = dlopen_addr; // pc: call dlopen - regs.regs[30] = 0; // lr: exit on return - - if (ptrace(PTRACE_SETREGSET, pid, (void*)(uintptr_t)NT_PRSTATUS, &iov) < 0) { - perror("[-] Set regs failed"); - ptrace(PTRACE_DETACH, pid, NULL, NULL); - return 1; - } + regs.regs[0] = sp; + regs.regs[1] = 2; + regs.pc = dlopen_addr; + regs.regs[30] = 0; + ptrace(PTRACE_SETREGSET, pid, (void*)(uintptr_t)NT_PRSTATUS, &iov); printf("[*] Triggering remote load...\n"); ptrace(PTRACE_CONT, pid, NULL, NULL); - // 给系统加载 SO 留一点缓冲时间 usleep(500000); - ptrace(PTRACE_DETACH, pid, NULL, NULL); - printf("[+] Injection Done. Check logcat for 'libJKMenu' results.\n"); + printf("[+] Injection Done.\n"); return 0; }