112 lines
3.6 KiB
Python
112 lines
3.6 KiB
Python
#!/usr/bin/env python3
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"""完整 dump 明文采集数据区域 (0x7814096d19 JSON 附近 + 0x78133bf220 键值结构)。
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拿到加密前的完整明文 = 解密 dfpReport 的关键! dump 前后 8KB 到文件。
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"""
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from __future__ import annotations
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import json
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import time
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from pathlib import Path
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import frida
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RE = Path("/Users/yml/codes/Reverse-Engineering-Agent-Universal-v3.0")
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OUT = Path("/Users/yml/codes/douyu_login_py/evidence/dfp_plaintext_full.json")
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JS = r"""
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'use strict';
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Process.setExceptionHandler(function(d){ return true; });
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send({type:'armed'});
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// 锚点: JSON 明文 + t1 键值结构
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var ANCHORS = [
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['json', '74 65 72 6d 69 6e 61 6c 54 79 70 65 22 3a 31'], // terminalType":1
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['t1kv', '74 65 72 6d 69 6e 61 6c'], // terminal (键值结构内)
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];
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function hex(p, n){
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try{ return Array.from(new Uint8Array(p.readByteArray(n))).map(x=>('0'+x.toString(16)).slice(-2)).join(''); }
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catch(e){ return 'ERR'; }
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}
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function scan(){
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try{
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Process.enumerateRanges('r--').forEach(function(r){
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if (r.size > 1024*1024*256) return;
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try{
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ANCHORS.forEach(function(a){
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var hits = Memory.scanSync(r.base, r.size, a[1]);
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hits.slice(0, 5).forEach(function(x){
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var addr = x.address;
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// JSON: dump 前 512 + 后 8192
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var pre = '', post = '';
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try{ pre = hex(addr.sub(512), 512); }catch(e){}
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try{ post = hex(addr, 8192); }catch(e){}
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send({type:'dump', anchor:a[0], addr:String(addr), pre:pre, post:post});
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});
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});
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}catch(e){}
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});
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}catch(e){}
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send({type:'tick'});
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}
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setInterval(function(){ try{ scan(); }catch(e){} }, 4000);
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"""
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def main():
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device = frida.get_device_manager().add_remote_device("127.0.0.1:31877")
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pid = device.spawn(["com.duowan.kiwi"])
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print(f"[*] spawned pid={pid}", flush=True)
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session = device.attach(pid)
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events = []
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def on_message(message, data):
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if message.get("type") == "error":
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print("[JS-ERR]", str(message)[:200], flush=True); return
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if message.get("type") != "send":
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return
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p = message.get("payload") or {}
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t = p.get("type")
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if t == "dump":
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addr = p.get('addr')
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if any(e.get('addr') == addr for e in events): return
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rec = {"anchor": p.get('anchor'), "addr": addr,
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"pre": p.get('pre'), "post": p.get('post')}
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events.append(rec)
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OUT.write_text(json.dumps(events, ensure_ascii=False))
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# 打印 post 的可读部分 (前 400B)
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post = bytes.fromhex(p.get('post', ''))
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asc = ''.join(chr(b) if 32 <= b < 127 else '.' for b in post[:400])
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print(f"[dump:{p.get('anchor')}] @{addr}", flush=True)
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print(f" {asc}", flush=True)
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script = session.create_script(JS)
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script.on("message", on_message)
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script.load()
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print("[*] 主JS 已装载(resume前), 加载 bypass + resume", flush=True)
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session.create_script(
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(RE / "evidence/scripts/bypass_msaoaid_maps_art_callsite.js").read_text()
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).load()
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session.create_script(
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(RE / "evidence/scripts/mask_frida_maps_only.js").read_text()
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).load()
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device.resume(pid)
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time.sleep(11)
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session.create_script(
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(RE / "evidence/scripts/patch_guard_block_termination.js").read_text()
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).load()
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print("[*] 已 resume, dump 明文区 (需触发登录采集后可 pkill)", flush=True)
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try:
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while True:
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time.sleep(5)
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except KeyboardInterrupt:
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pass
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print(f"[*] 结束, {len(events)} -> {OUT}", flush=True)
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if __name__ == "__main__":
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main() |