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Update injector.cpp

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gggaa2152 2026-04-06 02:46:05 +08:00 committed by GitHub
parent c444147ed3
commit 71b6f37054
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1 changed files with 17 additions and 12 deletions
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injector.cpp
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@ -10,11 +10,13 @@
#include <sys/uio.h>
#include <elf.h>
// 目标包名
const char* TARGET_PKG = "com.tencent.jkchess";
const char* LIB_PATH = "/data/local/tmp/libJKMenu.so";
pid_t find_pid() {
pid_t find_pid_by_name(const char* package_name) {
DIR* dir = opendir("/proc");
if (!dir) return -1;
struct dirent* entry;
while ((entry = readdir(dir))) {
pid_t pid = atoi(entry->d_name);
@ -23,7 +25,7 @@ pid_t find_pid() {
snprintf(path, sizeof(path), "/proc/%d/cmdline", pid);
FILE* f = fopen(path, "r");
if (f) {
if (fgets(cmd, sizeof(cmd), f) && strstr(cmd, TARGET_PKG)) {
if (fgets(cmd, sizeof(cmd), f) && strstr(cmd, package_name)) {
fclose(f); closedir(dir); return pid;
}
fclose(f);
@ -33,31 +35,34 @@ pid_t find_pid() {
}
int main() {
pid_t pid = find_pid();
if (pid == -1) { printf("Process not found!\n"); return 1; }
pid_t pid = find_pid_by_name(TARGET_PKG);
if (pid == -1) { printf("[-] Target process %s not found!\n", TARGET_PKG); return 1; }
ptrace(PTRACE_ATTACH, pid, NULL, NULL);
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_base = &regs, .iov_len = sizeof(regs) };
ptrace(PTRACE_GETREGSET, pid, NT_PRSTATUS, &iov);
// 远程定位 dlopen (简单示例逻辑)
// 简单获取远程 dlopen (在 linker64 中)
uintptr_t remote_dlopen = (uintptr_t)dlsym(RTLD_DEFAULT, "__loader_dlopen");
// 写入路径并调用 (x0=path, x1=RTLD_NOW)
// 远程写入 SO 路径并调用
uintptr_t sp = (regs.sp - 256) & ~0xF;
for (int i = 0; i < strlen(LIB_PATH) + 1; i += 8) {
ptrace(PTRACE_POKETEXT, pid, sp + i, *(long*)(LIB_PATH + i));
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, sp + i, (void*)data);
}
regs.regs[0] = sp;
regs.regs[1] = 2; // RTLD_NOW
regs.regs[0] = sp; // x0: path
regs.regs[1] = 2; // x1: RTLD_NOW
regs.pc = remote_dlopen;
ptrace(PTRACE_SETREGSET, pid, NT_PRSTATUS, &iov);
ptrace(PTRACE_DETACH, pid, NULL, NULL);
printf("Injection command sent to PID %d\n", pid);
printf("[+] Injection request sent to PID %d\n", pid);
return 0;
}