imgui-mirror/injector.cpp
2026-04-06 03:12:38 +08:00

101 lines
2.7 KiB
C++

#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/ptrace.h>
#include <sys/wait.h>
#include <sys/user.h>
#include <dirent.h>
#include <dlfcn.h>
#include <sys/uio.h>
#include <elf.h>
// 手动定义 NDK 缺失或隐藏的宏,确保 AArch64 编译通过
#ifndef NT_PRSTATUS
#define NT_PRSTATUS 1
#endif
#ifndef RTLD_DEFAULT
#define RTLD_DEFAULT ((void *) 0LL)
#endif
const char* TARGET_PKG = "com.tencent.tmgp.sgame";
const char* LIB_PATH = "/data/local/tmp/libJKMenu.so";
pid_t find_pid(const char* pkg) {
DIR* dir = opendir("/proc");
if (!dir) return -1;
struct dirent* entry;
while ((entry = readdir(dir))) {
pid_t pid = atoi(entry->d_name);
if (pid <= 0) continue;
char path[256], cmd[256];
snprintf(path, sizeof(path), "/proc/%d/cmdline", pid);
FILE* f = fopen(path, "r");
if (f) {
if (fgets(cmd, sizeof(cmd), f) && strstr(cmd, pkg)) {
fclose(f); closedir(dir); return pid;
}
fclose(f);
}
}
closedir(dir); return -1;
}
int main() {
pid_t pid = find_pid(TARGET_PKG);
if (pid == -1) {
printf("[-] SGame not found!\n");
return 1;
}
if (ptrace(PTRACE_ATTACH, pid, NULL, NULL) < 0) {
perror("[-] Attach failed");
return 1;
}
waitpid(pid, NULL, WUNTRACED);
struct user_pt_regs regs;
struct iovec iov;
iov.iov_base = &regs;
iov.iov_len = sizeof(regs);
// 显式转换参数类型以通过 NDK 编译器检查
if (ptrace(PTRACE_GETREGSET, pid, (void*)(uintptr_t)NT_PRSTATUS, &iov) < 0) {
perror("[-] PTRACE_GETREGSET failed");
ptrace(PTRACE_DETACH, pid, NULL, NULL);
return 1;
}
// 获取远程 dlopen (在 Android Linker 中)
uintptr_t remote_dlopen = (uintptr_t)dlsym(RTLD_DEFAULT, "__loader_dlopen");
if (!remote_dlopen) {
remote_dlopen = (uintptr_t)dlsym(RTLD_DEFAULT, "dlopen");
}
if (!remote_dlopen) {
printf("[-] Failed to locate dlopen symbols.\n");
ptrace(PTRACE_DETACH, pid, NULL, NULL);
return 1;
}
uintptr_t sp = (regs.sp - 512) & ~0xF;
size_t len = strlen(LIB_PATH) + 1;
for (size_t i = 0; i < len; i += 8) {
long data = 0;
memcpy(&data, LIB_PATH + i, (len - i) < 8 ? (len - i) : 8);
ptrace(PTRACE_POKETEXT, pid, (void*)(sp + i), (void*)data);
}
regs.regs[0] = sp; // x0: path
regs.regs[1] = 2; // x1: RTLD_NOW
regs.pc = remote_dlopen;
ptrace(PTRACE_SETREGSET, pid, (void*)(uintptr_t)NT_PRSTATUS, &iov);
ptrace(PTRACE_DETACH, pid, NULL, NULL);
printf("[+] Injecting into SGame (PID: %d)...\n", pid);
return 0;
}