- 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
124 lines
3.6 KiB
Python
124 lines
3.6 KiB
Python
#!/usr/bin/env python3
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"""attach 模式抓模拟器自生成 32hex hdid (对比真机 ed0db8...).
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核心: hook libudbauthunify.so:
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- BusinessCfg::setSafeDeviceId(0x26A2E0): a1+1008=sd, a1+1088=hdid (两者都写)
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- BusinessCfg::getHdid(0x26A484): this+1088 是 std::string 对象
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- createWupDeviceInfo(0x2746A0): 返回结构 +152 = hdid std::string
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App 正常启动后 attach, 不做 spawn (spawn 挂起会 EGL 闪退)。
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"""
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import sys, time, json
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import frida
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REMOTE = "127.0.0.1:31878"
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PACKAGE = "com.duowan.kiwi"
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JS = r"""
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'use strict';
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function readStdString(p){
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if (p.isNull()) return null;
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try{
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var first = p.readU8();
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if ((first & 1) === 0) {
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// short string: len = first>>1
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var len = first >> 1;
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return p.add(1).readUtf8String(len > 0 && len < 128 ? len : 0) || '';
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} else {
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var data = p.readPointer();
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var len = p.add(8).readU64();
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if (len > 0 && len < 512) return data.readUtf8String(len) || '';
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return null;
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}
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}catch(e){ return null; }
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}
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function log(t, m){ send({t:t, m:m}); }
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function tryInstall(){
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var md = Process.findModuleByName('libudbauthunify.so');
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if (!md){ return false; }
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log('mod', md.base.toString() + ' size=' + md.size);
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// setSafeDeviceId: a2=sd, a3=hdid (std::string*)
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Interceptor.attach(md.base.add(0x26A2E0), {
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onEnter: function(a){
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this.sd = readStdString(a[1]);
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this.hd = readStdString(a[2]);
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},
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onLeave: function(){
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log('setSafeDeviceId', JSON.stringify({sd: (this.sd||'').slice(0,48), hd: (this.hd||'').slice(0,48)}));
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}
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});
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// getHdid: this+1088 = std::string
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Interceptor.attach(md.base.add(0x26A484), {
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onEnter: function(a){ this.thiz = a[0]; },
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onLeave: function(){
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try{
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var s = readStdString(this.thiz.add(1088));
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log('getHdid', s ? ''+s : 'EMPTY');
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}catch(e){ log('getHdid', 'ERR ' + e); }
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}
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});
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// createWupDeviceInfo 输出 +152 hdid
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Interceptor.attach(md.base.add(0x2746A0), {
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onLeave: function(ret){
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try{
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var s = readStdString(ret.add(152));
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log('wupDeviceInfo.hdid', s ? ''+s : 'EMPTY');
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}catch(e){}
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}
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});
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log('hooked', 'all');
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return true;
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}
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var installed = false;
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function poll(){
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if (!installed){ installed = tryInstall(); }
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if (!installed){ setTimeout(poll, 300); }
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}
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poll();
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"""
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def main():
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dev = frida.get_device_manager().add_remote_device(REMOTE)
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# 找 App 进程 attach
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pid = None
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for p in dev.enumerate_processes():
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if p.name and PACKAGE in p.name:
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pid = p.pid
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break
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if not pid:
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print("App 未运行, 先启动:", PACKAGE)
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import subprocess
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subprocess.run(["adb", "-s", "127.0.0.1:5555", "shell",
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"monkey -p %s -c android.intent.category.LAUNCHER 1" % PACKAGE],
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capture_output=True)
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time.sleep(12) # 等 lib 加载
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for p in dev.enumerate_processes():
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if p.name and PACKAGE in p.name:
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pid = p.pid
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break
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if not pid:
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print("仍找不到进程"); return
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print("attach pid =", pid, flush=True)
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session = dev.attach(pid)
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def on_message(msg, data):
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if msg.get("type") == "send":
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pl = msg["payload"]
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print("[%s] %s" % (pl["t"], pl["m"]), flush=True)
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elif msg.get("type") == "error":
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print("JSErr:", str(msg)[:200], 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("等待 hook 事件 (60s)...", flush=True)
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time.sleep(60)
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print("done", flush=True)
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if __name__ == "__main__":
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main() |