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Update injector.cpp
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gggaa2152
GitHub
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commit
c452f7763c
305
injector.cpp
305
injector.cpp
@ -8,31 +8,21 @@
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#include <errno.h>
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#include <fcntl.h>
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#include <sys/mman.h>
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#include <sys/system_properties.h>
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#include <android/log.h>
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#include <thread>
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#include <chrono>
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#include <sstream>
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#include <iomanip>
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// 添加必要的头文件以支持 ptrace 寄存器操作
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#include <sys/uio.h>
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#include <elf.h>
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#if defined(__aarch64__)
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#include <asm/ptrace.h> // 提供 user_pt_regs
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#elif defined(__arm__)
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#include <asm/ptrace.h> // 提供 pt_regs
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#endif
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#include <asm/ptrace.h>
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#include <thread>
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#include <chrono>
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#define LOGI(...) printf("[+] " __VA_ARGS__); printf("\n")
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#define LOGE(...) printf("[-] " __VA_ARGS__); printf("\n")
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#define LOGD(...) printf("[*] " __VA_ARGS__); printf("\n")
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#define LOGI(...) printf("[+] " __VA_ARGS__), printf("\n")
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#define LOGE(...) printf("[-] " __VA_ARGS__), printf("\n")
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#define TARGET_PACKAGE "com.tencent.tmgp.sgame"
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pid_t find_pid(const std::string& package_name) {
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// 查找进程 PID
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pid_t find_pid(const char* package_name) {
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char cmd[256];
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snprintf(cmd, sizeof(cmd), "pidof %s", package_name.c_str());
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snprintf(cmd, sizeof(cmd), "pidof %s", package_name);
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FILE* fp = popen(cmd, "r");
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if (!fp) return -1;
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pid_t pid = -1;
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@ -41,278 +31,215 @@ pid_t find_pid(const std::string& package_name) {
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return pid;
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}
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pid_t wait_for_process(const std::string& package_name, int timeout_seconds = 30) {
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LOGI("Waiting for process '%s' to start...", package_name.c_str());
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auto start_time = std::chrono::steady_clock::now();
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// 等待进程启动
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pid_t wait_for_process(const char* package_name, int timeout_sec = 30) {
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LOGI("Waiting for process '%s'...", package_name);
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auto start = std::chrono::steady_clock::now();
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while (true) {
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pid_t pid = find_pid(package_name);
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if (pid > 0) {
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LOGI("Found process '%s' with PID: %d", package_name.c_str(), pid);
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return pid;
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}
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auto now = std::chrono::steady_clock::now();
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if (std::chrono::duration_cast<std::chrono::seconds>(now - start_time).count() > timeout_seconds) {
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LOGE("Timeout waiting for process '%s'", package_name.c_str());
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if (pid > 0) return pid;
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if (std::chrono::duration_cast<std::chrono::seconds>(std::chrono::steady_clock::now() - start).count() > timeout_sec) {
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LOGE("Timeout waiting for %s", package_name);
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return -1;
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}
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sleep(1);
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}
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}
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// 获取远程进程中的函数地址（使用本地偏移计算）
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unsigned long get_remote_function_address(pid_t pid, const char* library_name, const char* function_name) {
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char maps_path[256];
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// 获取远程进程中的函数地址（通过本地偏移计算）
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unsigned long get_remote_func_addr(pid_t pid, const char* lib, const char* func) {
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// 1. 读取远程进程的 /proc/pid/maps 找到 lib 的基址
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char maps_path[64];
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snprintf(maps_path, sizeof(maps_path), "/proc/%d/maps", pid);
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FILE* fp = fopen(maps_path, "r");
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if (!fp) {
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LOGE("Cannot open maps file for PID %d", pid);
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return 0;
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}
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unsigned long base_addr = 0;
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if (!fp) return 0;
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unsigned long base = 0;
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char line[512];
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while (fgets(line, sizeof(line), fp)) {
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if (strstr(line, library_name)) {
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sscanf(line, "%lx-", &base_addr);
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if (strstr(line, lib)) {
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sscanf(line, "%lx-", &base);
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break;
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}
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}
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fclose(fp);
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if (base_addr == 0) {
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LOGE("Library '%s' not found in target process", library_name);
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return 0;
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}
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// 从本地进程中获取函数偏移量
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void* local_handle = dlopen(library_name, RTLD_LAZY);
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if (!local_handle) {
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LOGE("Cannot load local library '%s': %s", library_name, dlerror());
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return 0;
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}
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void* local_func = dlsym(local_handle, function_name);
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if (!local_func) {
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LOGE("Cannot find function '%s' locally: %s", function_name, dlerror());
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dlclose(local_handle);
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return 0;
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}
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FILE* local_maps = fopen("/proc/self/maps", "r");
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if (!base) return 0;
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// 2. 本地获取函数偏移
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void* handle = dlopen(lib, RTLD_LAZY);
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if (!handle) return 0;
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void* local_func = dlsym(handle, func);
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dlclose(handle);
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if (!local_func) return 0;
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// 3. 获取本地 lib 基址
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FILE* self_maps = fopen("/proc/self/maps", "r");
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unsigned long local_base = 0;
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while (fgets(line, sizeof(line), local_maps)) {
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if (strstr(line, library_name)) {
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while (fgets(line, sizeof(line), self_maps)) {
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if (strstr(line, lib)) {
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sscanf(line, "%lx-", &local_base);
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break;
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}
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}
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fclose(local_maps);
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if (local_base == 0) {
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LOGE("Cannot find local base address for '%s'", library_name);
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dlclose(local_handle);
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return 0;
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}
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fclose(self_maps);
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if (!local_base) return 0;
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unsigned long offset = (unsigned long)local_func - local_base;
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unsigned long remote_addr = base_addr + offset;
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LOGI("Remote %s!%s address: 0x%lx", library_name, function_name, remote_addr);
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dlclose(local_handle);
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unsigned long remote_addr = base + offset;
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LOGI("Found %s!%s at 0x%lx", lib, func, remote_addr);
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return remote_addr;
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}
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bool write_remote_memory(pid_t pid, unsigned long addr, const void* data, size_t size) {
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size_t i = 0;
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for (i = 0; i < size; i += sizeof(long)) {
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// 写入远程内存
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bool write_remote(pid_t pid, unsigned long addr, const void* data, size_t len) {
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for (size_t i = 0; i < len; i += sizeof(long)) {
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long word = 0;
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memcpy(&word, (const char*)data + i, sizeof(long));
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memcpy(&word, (char*)data + i, sizeof(long));
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if (ptrace(PTRACE_POKETEXT, pid, (void*)(addr + i), (void*)word) == -1) {
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LOGE("ptrace POKETEXT failed at 0x%lx: %s", addr + i, strerror(errno));
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LOGE("ptrace POKETEXT failed at 0x%lx", addr + i);
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return false;
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}
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}
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return true;
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}
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// 使用 mmap 在远程进程中分配内存（通过 ptrace 调用 mmap）
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unsigned long remote_mmap(pid_t pid, unsigned long addr, size_t size, int prot, int flags, int fd, off_t offset) {
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unsigned long mmap_addr = get_remote_function_address(pid, "libc.so", "mmap");
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// 远程调用 mmap 分配内存
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unsigned long remote_mmap(pid_t pid, size_t size) {
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unsigned long mmap_addr = get_remote_func_addr(pid, "libc.so", "mmap");
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if (!mmap_addr) return 0;
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// 准备参数并调用 mmap
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struct iovec iov;
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#if defined(__aarch64__)
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struct user_pt_regs regs, original_regs;
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#elif defined(__arm__)
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struct pt_regs regs, original_regs;
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#else
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#error "Unsupported architecture"
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#endif
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struct user_pt_regs regs, old_regs;
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// 保存原始寄存器
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iov.iov_base = &original_regs;
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iov.iov_len = sizeof(original_regs);
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// 保存原寄存器
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iov.iov_base = &old_regs;
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iov.iov_len = sizeof(old_regs);
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if (ptrace(PTRACE_GETREGSET, pid, NT_PRSTATUS, &iov) == -1) {
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LOGE("Failed to get original registers: %s", strerror(errno));
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LOGE("PTRACE_GETREGSET failed: %s", strerror(errno));
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return 0;
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}
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// 设置 mmap 参数
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regs = original_regs;
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#if defined(__aarch64__)
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regs.regs[0] = addr; // addr
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regs.regs[1] = size; // size
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regs.regs[2] = prot; // prot
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regs.regs[3] = flags; // flags
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regs.regs[4] = fd; // fd
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regs.regs[5] = offset; // offset
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regs.pc = mmap_addr; // 程序计数器指向 mmap
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#elif defined(__arm__)
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regs.ARM_r0 = addr;
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regs.ARM_r1 = size;
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regs.ARM_r2 = prot;
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regs.ARM_r3 = flags;
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regs.ARM_r4 = fd;
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regs.ARM_r5 = offset;
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regs.ARM_pc = mmap_addr;
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#endif
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// 设置 mmap 参数 (arm64)
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regs = old_regs;
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regs.regs[0] = 0; // addr (NULL)
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regs.regs[1] = size; // length
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regs.regs[2] = PROT_READ | PROT_WRITE; // prot
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regs.regs[3] = MAP_ANONYMOUS | MAP_PRIVATE; // flags
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regs.regs[4] = -1; // fd
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regs.regs[5] = 0; // offset
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regs.pc = mmap_addr;
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iov.iov_base = ®s;
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if (ptrace(PTRACE_SETREGSET, pid, NT_PRSTATUS, &iov) == -1) {
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LOGE("Failed to set registers for mmap: %s", strerror(errno));
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LOGE("PTRACE_SETREGSET failed: %s", strerror(errno));
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return 0;
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}
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// 单步执行 mmap
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if (ptrace(PTRACE_SINGLESTEP, pid, nullptr, nullptr) == -1) {
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LOGE("Failed to single step for mmap: %s", strerror(errno));
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// 恢复寄存器
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iov.iov_base = &original_regs;
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// 单步执行
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if (ptrace(PTRACE_SINGLESTEP, pid, NULL, NULL) == -1) {
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LOGE("PTRACE_SINGLESTEP failed: %s", strerror(errno));
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iov.iov_base = &old_regs;
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ptrace(PTRACE_SETREGSET, pid, NT_PRSTATUS, &iov);
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return 0;
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}
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waitpid(pid, nullptr, 0);
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waitpid(pid, NULL, 0);
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// 获取返回值
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iov.iov_base = ®s;
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if (ptrace(PTRACE_GETREGSET, pid, NT_PRSTATUS, &iov) == -1) {
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LOGE("Failed to get return registers: %s", strerror(errno));
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iov.iov_base = &original_regs;
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LOGE("Failed to get return registers");
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iov.iov_base = &old_regs;
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ptrace(PTRACE_SETREGSET, pid, NT_PRSTATUS, &iov);
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return 0;
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}
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unsigned long result = regs.regs[0];
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unsigned long result;
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#if defined(__aarch64__)
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result = regs.regs[0];
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#elif defined(__arm__)
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result = regs.ARM_r0;
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#endif
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// 恢复原始寄存器
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iov.iov_base = &original_regs;
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// 恢复寄存器
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iov.iov_base = &old_regs;
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ptrace(PTRACE_SETREGSET, pid, NT_PRSTATUS, &iov);
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if ((long)result <= 0) {
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LOGE("mmap failed with result 0x%lx", result);
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LOGE("mmap returned 0x%lx", result);
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return 0;
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}
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LOGI("mmap allocated memory at 0x%lx", result);
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LOGI("mmap allocated at 0x%lx", result);
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return result;
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}
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// 远程调用 dlopen
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bool remote_dlopen(pid_t pid, const char* library_path) {
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unsigned long dlopen_addr = get_remote_function_address(pid, "libdl.so", "dlopen");
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bool remote_dlopen(pid_t pid, const char* path) {
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unsigned long dlopen_addr = get_remote_func_addr(pid, "libdl.so", "dlopen");
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if (!dlopen_addr) return false;
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// 分配内存存储路径
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size_t path_len = strlen(library_path) + 1;
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unsigned long remote_path = remote_mmap(pid, 0, path_len, PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
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if (!remote_path) {
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LOGE("Failed to allocate memory for library path");
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return false;
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}
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if (!write_remote_memory(pid, remote_path, library_path, path_len)) {
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LOGE("Failed to write library path to remote memory");
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return false;
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}
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LOGI("Library path written to remote memory at 0x%lx", remote_path);
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// 分配内存存放路径
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size_t len = strlen(path) + 1;
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unsigned long remote_path = remote_mmap(pid, len);
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if (!remote_path) return false;
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if (!write_remote(pid, remote_path, path, len)) return false;
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// 准备调用 dlopen
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struct iovec iov;
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#if defined(__aarch64__)
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struct user_pt_regs regs, original_regs;
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#elif defined(__arm__)
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struct pt_regs regs, original_regs;
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#endif
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struct user_pt_regs regs, old_regs;
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iov.iov_base = &original_regs;
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iov.iov_len = sizeof(original_regs);
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iov.iov_base = &old_regs;
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iov.iov_len = sizeof(old_regs);
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if (ptrace(PTRACE_GETREGSET, pid, NT_PRSTATUS, &iov) == -1) {
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LOGE("Failed to get original registers: %s", strerror(errno));
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LOGE("Failed to save registers");
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return false;
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}
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regs = original_regs;
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#if defined(__aarch64__)
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regs.regs[0] = remote_path; // 参数1: 路径
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regs.regs[1] = RTLD_LAZY; // 参数2: flag
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regs = old_regs;
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regs.regs[0] = remote_path;
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regs.regs[1] = RTLD_LAZY;
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regs.pc = dlopen_addr;
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#elif defined(__arm__)
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regs.ARM_r0 = remote_path;
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regs.ARM_r1 = RTLD_LAZY;
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regs.ARM_pc = dlopen_addr;
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#endif
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iov.iov_base = ®s;
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if (ptrace(PTRACE_SETREGSET, pid, NT_PRSTATUS, &iov) == -1) {
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LOGE("Failed to set registers for dlopen: %s", strerror(errno));
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LOGE("Failed to set registers for dlopen");
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return false;
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}
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// 单步执行 dlopen
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if (ptrace(PTRACE_SINGLESTEP, pid, nullptr, nullptr) == -1) {
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LOGE("Failed to single step for dlopen: %s", strerror(errno));
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iov.iov_base = &original_regs;
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if (ptrace(PTRACE_SINGLESTEP, pid, NULL, NULL) == -1) {
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LOGE("PTRACE_SINGLESTEP failed");
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iov.iov_base = &old_regs;
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ptrace(PTRACE_SETREGSET, pid, NT_PRSTATUS, &iov);
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return false;
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}
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waitpid(pid, nullptr, 0);
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waitpid(pid, NULL, 0);
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// 恢复寄存器
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iov.iov_base = &original_regs;
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iov.iov_base = &old_regs;
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ptrace(PTRACE_SETREGSET, pid, NT_PRSTATUS, &iov);
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LOGI("dlopen called successfully");
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LOGI("dlopen executed");
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return true;
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}
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int main(int argc, char* argv[]) {
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if (argc < 2) {
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printf("Usage: %s <library_path> [package_name]\n", argv[0]);
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printf(" library_path: Path to the .so file to inject\n");
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printf(" package_name: Target package name (default: %s)\n", TARGET_PACKAGE);
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return 1;
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}
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const char* library_path = argv[1];
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const char* package_name = (argc >= 3) ? argv[2] : TARGET_PACKAGE;
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LOGI("Starting injector for package: %s", package_name);
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LOGI("Library to inject: %s", library_path);
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pid_t target_pid = wait_for_process(package_name, 30);
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if (target_pid <= 0) {
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LOGE("Failed to find target process");
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const char* libpath = argv[1];
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const char* pkg = (argc >= 3) ? argv[2] : TARGET_PACKAGE;
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LOGI("Target package: %s", pkg);
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LOGI("Library: %s", libpath);
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pid_t pid = wait_for_process(pkg, 30);
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if (pid <= 0) return 1;
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if (ptrace(PTRACE_ATTACH, pid, NULL, NULL) == -1) {
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LOGE("PTRACE_ATTACH failed: %s", strerror(errno));
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return 1;
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}
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if (ptrace(PTRACE_ATTACH, target_pid, nullptr, nullptr) == -1) {
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LOGE("Failed to attach to process %d: %s", target_pid, strerror(errno));
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return 1;
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}
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LOGI("Attached to process %d", target_pid);
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int status;
|
||||
waitpid(target_pid, &status, 0);
|
||||
if (remote_dlopen(target_pid, library_path)) {
|
||||
LOGI("Library injected successfully!");
|
||||
LOGI("Attached to PID %d", pid);
|
||||
waitpid(pid, NULL, 0);
|
||||
|
||||
if (remote_dlopen(pid, libpath)) {
|
||||
LOGI("Injection successful!");
|
||||
} else {
|
||||
LOGE("Failed to inject library");
|
||||
LOGE("Injection failed");
|
||||
}
|
||||
if (ptrace(PTRACE_DETACH, target_pid, nullptr, nullptr) == -1) {
|
||||
LOGE("Failed to detach from process: %s", strerror(errno));
|
||||
return 1;
|
||||
}
|
||||
LOGI("Detached from process %d", target_pid);
|
||||
|
||||
ptrace(PTRACE_DETACH, pid, NULL, NULL);
|
||||
return 0;
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user