"""Find System.exit(10) / killProcess callers and nearby strings in TNG DEX.""" import re import zipfile from pathlib import Path apk = Path(r"C:\Users\Administrator\Desktop\notiMessage\reverse\apks\tng\base.apk") with zipfile.ZipFile(apk) as z: dex_blobs = [(n, z.read(n)) for n in z.namelist() if n.endswith(".dex")] needles = [ b"finishAllActivityAndKillApp", b"UnhandledEvent detected", b"AppSecurityManager: UnhandledEvent", b"openSecurityUrl", b"startForceExitCountdown", b"ForceExitCountdown", b"killProcess", b"SecurityForceExit", b"handleExitApplication", b"exitApplication", b"Jailbroken/Rooted", b"Detected by AppProtect", ] print("=== string hits ===") for name, data in dex_blobs: for n in needles: c = data.count(n) if c: print(f"{name}: {n.decode(errors='ignore')} x{c}") # Find UTF-16 / UTF-8 contexts around exit-related print("\n=== contexts near 'exit' security strings ===") for name, data in dex_blobs: for m in re.finditer(rb"[\x20-\x7e]{0,30}(exit|KillApp|killApp|ForceExit|Unhandled)[\x20-\x7e]{0,80}", data): s = m.group().decode("ascii", "ignore") if any(k in s.lower() for k in ("force", "kill", "unhandled", "security", "promon", "root")): print(f"{name}: {s}") # Smali-ish type refs print("\n=== type refs ===") patterns = [ rb"Lmy/com/tngdigital/common/internal/_ContextKt;", rb"Lmy/com/tngdigital/common/security/model/UnhandledEvent;", rb"Lxwwqazamx/W;", rb"Lxwwqazamx/bl;", rb"Landroid/os/Process;->killProcess", rb"Ljava/lang/System;->exit", rb"Ljava/lang/Runtime;->exit", ] for name, data in dex_blobs: for pat in patterns: hits = len(re.findall(pat, data)) if hits: print(f"{name}: {pat.decode(errors='ignore')} x{hits}") # Look for const/16 near exit - hard in raw dex; instead find methods that mention exit code strings print("\n=== classes near ForceExit / KillApp strings ===") for name, data in dex_blobs: for pat in [b"finishAllActivityAndKillApp", b"UnhandledEvent detected", b"startForceExitCountdownIfNeeded"]: i = 0 while True: j = data.find(pat, i) if j < 0: break # scan backwards for L...; class descriptor within 2KB window = data[max(0, j - 2048):j] classes = re.findall(rb"L[\w/$]+;", window) if classes: print(f"{name} @{j} near {pat.decode()}: ...{classes[-5:]}") i = j + 1