mirror of
https://github.com/ocornut/imgui.git
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119 lines
3.5 KiB
YAML
119 lines
3.5 KiB
YAML
#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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#include <stdint.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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// 保持你提供的包名和路径
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const char* TARGET_PKG = "com.tencent.tmgp.sgame";
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const char* LIB_PATH = "/data/local/tmp/libJKMenu.so";
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pid_t find_pid_by_name(const char* package_name) {
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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, package_name)) {
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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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// 封装一个写入工具
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int ptrace_write_mem(pid_t pid, uintptr_t addr, const void* data, size_t size) {
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size_t i;
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long val;
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for (i = 0; i < size; i += sizeof(long)) {
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val = 0;
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memcpy(&val, (uint8_t*)data + i, (size - i) < sizeof(long) ? (size - i) : sizeof(long));
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if (ptrace(PTRACE_POKETEXT, pid, addr + i, (void*)val) < 0) return -1;
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}
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return 0;
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}
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int main() {
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pid_t pid = find_pid_by_name(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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// 1. 附加
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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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waitpid(pid, NULL, WUNTRACED);
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// 2. 获取并备份原始寄存器
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struct user_pt_regs regs, old_regs;
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struct iovec iov;
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iov.iov_base = ®s;
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iov.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("[-] PTRACE_GETREGSET failed");
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goto end;
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}
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memcpy(&old_regs, ®s, sizeof(regs));
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// 3. 获取 dlopen 地址 (在 Android N+ 通常是 __loader_dlopen)
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void* handle = dlopen("libdl.so", RTLD_LAZY);
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uintptr_t dlopen_addr = (uintptr_t)dlsym(handle, "__loader_dlopen");
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if (!dlopen_addr) dlopen_addr = (uintptr_t)dlsym(handle, "dlopen");
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dlclose(handle);
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if (!dlopen_addr) {
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printf("[-] dlopen not found!\n");
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goto end;
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}
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// 4. 将 SO 路径写入栈空间 (sp 下方 512 字节相对安全)
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uintptr_t remote_path_addr = (regs.sp - 512) & ~0xF;
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ptrace_write_mem(pid, remote_path_addr, LIB_PATH, strlen(LIB_PATH) + 1);
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// 5. 设置调用参数
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regs.regs[0] = remote_path_addr; // x0: filename
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regs.regs[1] = 2; // x1: flags (RTLD_NOW)
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regs.regs[30] = 0; // lr: 设置为0，执行完会崩掉，方便我们 capture
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regs.pc = dlopen_addr; // pc: 跳转执行
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ptrace(PTRACE_SETREGSET, pid, (void*)(uintptr_t)NT_PRSTATUS, &iov);
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// 6. 执行并等待
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ptrace(PTRACE_CONT, pid, NULL, NULL);
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int status;
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waitpid(pid, &status, WUNTRACED); // 等待 SIGSEGV
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// 7. 恢复原始寄存器，让进程像没事发生一样继续运行
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iov.iov_base = &old_regs;
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ptrace(PTRACE_SETREGSET, pid, (void*)(uintptr_t)NT_PRSTATUS, &iov);
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printf("[+] Injection successful on PID %d\n", pid);
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end:
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ptrace(PTRACE_DETACH, pid, NULL, NULL);
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return 0;
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}
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