53 lines
2.3 KiB
Python
53 lines
2.3 KiB
Python
#!/usr/bin/env python3
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"""R38b: RC4 key 诞生点追踪 (MD5 transform 消息积累)."""
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import json, subprocess, time
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from pathlib import Path
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import frida
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REMOTE="127.0.0.1:31878"; ADB="5dd8c93f"; PACKAGE="com.duowan.kiwi"
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RE=Path("/Users/yml/codes/Reverse-Engineering-Agent-Universal-v3.0")
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HERE=Path(__file__).resolve().parent.parent
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OUT=HERE/"evidence"/("keytrace2_"+time.strftime("%H%M%S")+".json")
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def clear_turing():
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for d in ("app_turingdfp","app_turingfd"):
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subprocess.run(["adb","-s",ADB,"shell","su","-c",f"rm -rf /data/data/{PACKAGE}/{d}/*"],capture_output=True)
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subprocess.run(["adb","-s",ADB,"shell","su","-c",f"find /data/data/{PACKAGE} -name 'resinfo*' -delete"],capture_output=True)
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def main():
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clear_turing()
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d=frida.get_device_manager().add_remote_device(REMOTE)
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subprocess.run(["adb","-s",ADB,"shell","am","force-stop",PACKAGE],capture_output=True)
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time.sleep(1.5)
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pid=d.spawn([PACKAGE]); print(f"[*] spawn pid={pid}",flush=True)
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s=d.attach(pid)
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from bypass_loader import load_bypass
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load_bypass(s)
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d.resume(pid)
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result={}; state={"post":False,"key":False}
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def on(m,_):
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if m.get("type")=="error":
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t=str(m)
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if "ClassNotFoundException" not in t: print(f"[JS] {t[:150]}",flush=True)
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return
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p=m.get("payload") or {}
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ev=p.get("event")
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if ev=="post": state["post"]=True; print("[+] POST fired",flush=True)
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elif ev=="key-site": state["key"]=True; print(f"[+] KEY ARRIVED: {p.get('key')} md5calls={p.get('md5calls')} states={p.get('nstates')}",flush=True)
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elif ev=="hy-armed": print("[*] hy armed",flush=True)
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elif ev=="java-md5-hooked": print("[*] java digest hooked",flush=True)
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elif ev=="key-copies-done": print(f"[*] key copies: {p.get('n')}",flush=True)
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result.setdefault(ev or "misc",[]).append(p)
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sc=s.create_script((HERE/"tools/frida/hook_keytrace2.js").read_text())
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sc.on("message",on); sc.load()
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t0=time.time()
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while time.time()-t0<220:
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time.sleep(3)
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if state["key"] and state["post"]: time.sleep(5); break
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json.dump(result,open(OUT,"w"),indent=2)
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print(f"[*] saved {OUT} post={state['post']} key={state['key']}",flush=True)
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try: s.detach()
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except Exception: pass
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if __name__=="__main__": main()
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