mirror of
https://github.com/ocornut/imgui.git
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111 lines
3.3 KiB
C++
111 lines
3.3 KiB
C++
#define _GNU_SOURCE
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/ptrace.h>
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#include <sys/wait.h>
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#include <sys/user.h>
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#include <dirent.h>
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#include <dlfcn.h>
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#include <sys/uio.h>
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#include <elf.h>
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#ifndef NT_PRSTATUS
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#define NT_PRSTATUS 1
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#endif
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// 目标包名
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const char* TARGET_PKG = "com.tencent.tmgp.sgame";
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// 根据你的要求修改路径为 /data/1/libJKMenu.so
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const char* LIB_PATH = "/data/1/libJKMenu.so";
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// 获取远程进程中 linker 函数的地址
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uintptr_t get_remote_linker_func(pid_t pid, const char* func_name) {
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void* handle = dlopen("linker64", RTLD_LAZY);
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if (!handle) handle = dlopen("linker", RTLD_LAZY);
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uintptr_t addr = (uintptr_t)dlsym(handle, func_name);
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if (handle) dlclose(handle);
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return addr;
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}
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// 查找进程 PID
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pid_t find_pid(const char* pkg) {
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DIR* dir = opendir("/proc");
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if (!dir) return -1;
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struct dirent* entry;
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while ((entry = readdir(dir))) {
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pid_t pid = atoi(entry->d_name);
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if (pid <= 0) continue;
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char path[256], cmd[256];
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snprintf(path, sizeof(path), "/proc/%d/cmdline", pid);
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FILE* f = fopen(path, "r");
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if (f) {
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if (fgets(cmd, sizeof(cmd), f) && strstr(cmd, pkg)) {
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fclose(f); closedir(dir); return pid;
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}
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fclose(f);
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}
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}
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closedir(dir); return -1;
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}
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int main() {
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pid_t pid = find_pid(TARGET_PKG);
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if (pid == -1) {
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printf("[-] Target process %s not found!\n", TARGET_PKG);
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return 1;
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}
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// 在高版本 Android (10+) 中通常需要 __loader_dlopen
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uintptr_t dlopen_addr = get_remote_linker_func(pid, "__loader_dlopen");
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if (!dlopen_addr) {
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printf("[!] Falling back to standard dlopen...\n");
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dlopen_addr = (uintptr_t)dlopen;
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}
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if (ptrace(PTRACE_ATTACH, pid, NULL, NULL) < 0) {
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perror("[-] Ptrace attach failed");
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return 1;
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}
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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("[-] Failed to get registers");
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ptrace(PTRACE_DETACH, pid, NULL, NULL);
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return 1;
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}
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// 在栈上分配空间存放 .so 路径 (从当前 SP 往下偏移)
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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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long data = 0;
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memcpy(&data, LIB_PATH + i, (len - i) < 8 ? (len - i) : 8);
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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，准备调用 dlopen(path, RTLD_NOW)
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// AArch64 调用约定: x0=arg1, x1=arg2
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regs.regs[0] = sp; // 第一个参数: .so 路径
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regs.regs[1] = 2; // 第二个参数: RTLD_NOW (2)
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regs.pc = dlopen_addr; // 跳转执行 dlopen
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if (ptrace(PTRACE_SETREGSET, pid, (void*)(uintptr_t)NT_PRSTATUS, &iov) < 0) {
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perror("[-] Failed to set registers");
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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_DETACH, pid, NULL, NULL);
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printf("[+] Target: %s (PID: %d)\n", TARGET_PKG, pid);
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printf("[+] Path: %s\n", LIB_PATH);
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printf("[+] Using dlopen address: %lx\n", (long)dlopen_addr);
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printf("[+] Done.\n");
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return 0;
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}
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