yml2213
49c5c36c05
- 诊断报告: attach 主进程静默退出/EGL 崩溃, 仅约 4s 窗口可抓帧 - scripts: attach/spawn/hook/emu 系列 Frida 脚本与抓帧/验证工具 - evidence: identity/reqchain/frame/inputbuf/magic_buf/propedge 抓取样本, emu_* 存活对比, diag_* 策略实验, baseline 裸测基准
77 lines
2.5 KiB
Python
77 lines
2.5 KiB
Python
#!/usr/bin/env python3
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"""模拟器 spawn+立即resume 版 dfpReport 捕获。
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关键: spawn 后【立即】resume(App 避免 EGL 崩溃), 然后立即 attach+load 主 hook。
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dfpReport 冷启动约 1s 后自动发, attach 足够快能赶上。
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"""
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from __future__ import annotations
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import frida, time, json, re
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from pathlib import Path
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REMOTE = "127.0.0.1:31878"
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PACKAGE = "com.duowan.kiwi"
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OUT = Path("/Users/yml/codes/douyu_login_py/evidence/emu_spawn_dfp.json")
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JS = r"""
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'use strict';
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send({type:'armed'});
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function hexb(p,n){try{return Array.from(new Uint8Array(p.readByteArray(n))).map(b=>('0'+b.toString(16)).slice(-2)).join('');}catch(e){return '';}}
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function head(p,n){try{return p.readCString(n);}catch(e){return '';}}
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var n=0;
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try{
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var r=new ApiResolver('module');
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r.enumerateMatchesSync('exports:*!SSL_write').forEach(function(m){
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Interceptor.attach(m.address,{onEnter:function(a){
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var len=a[2].toInt32();
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if(len<50||len>50000)return;
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var h=head(a[1],Math.min(len,1500));
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if(h.indexOf('dfpReport')>=0||h.indexOf('dckey')>=0){
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n++; send({cls:h.indexOf('dfpReport')>=0?'dfpReport':'dckey',n:n,len:len,t:Date.now(),hex:hexb(a[1],len)});
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}
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}});
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});
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send({type:'hooked'});
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}catch(e){send({type:'err',e:String(e)});}
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"""
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def main():
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d = frida.get_device_manager().add_remote_device(REMOTE)
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pid = d.spawn([PACKAGE])
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print(f"[*] spawn pid={pid}", flush=True)
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# 立即 resume (防 EGL 崩)
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d.resume(pid)
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time.sleep(0.4)
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session = d.attach(pid)
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events = []
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def on_message(m, data):
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if m.get('type') == 'error':
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print("[JS-ERR]", str(m)[:200], flush=True); return
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p = m.get('payload') or {}
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t = p.get('type')
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if t == 'armed':
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print("[*] armed", flush=True)
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elif t == 'hooked':
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print("[*] SSL_write hooked", flush=True)
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elif t == 'err':
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print("[*] err", p.get('e'), flush=True)
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elif 'cls' in p:
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print(f"[{p.get('t')}] {p.get('cls')} len={p.get('len')}", flush=True)
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events.append(p); OUT.write_text(json.dumps(events))
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sc = session.create_script(JS)
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sc.on('message', on_message)
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sc.load()
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print(f"[*] loaded. running (OUT={OUT})", flush=True)
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t0 = time.time()
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try:
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while time.time() - t0 < 60:
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time.sleep(4)
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except KeyboardInterrupt:
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pass
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print(f"[*] done, {len(events)} dfpRevent(s)", flush=True)
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if __name__ == "__main__":
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main() |