live-hub-py/tools/frida/hook_str_kc.js

'use strict';
function emit(row) { try { send(row); } catch (e) {} }
function btOk(ctx) { try { return Thread.backtrace(ctx, Backtracer.ACCURATE).slice(0, 40).map(a => { const m = Process.findModuleByAddress(a); return m ? m.name + '!' + a.sub(m.base) : a.toString(); }).join(' <- '); } catch (e) { return ''; } }
let fired = false, writes = 0;
for (const mod of Process.enumerateModules()) {
  let addr = null;
  try { addr = mod.getExportByName('SSL_write'); } catch (e) {}
  if (addr === null) continue;
  Interceptor.attach(addr, {
    onEnter(args) {
      writes++;
      if (fired) return;
      if (writes % 40 === 0) emit({ event: 'ssl-heartbeat', module: mod.name, writes });
      const buf = args[1], num = args[2].toInt32();
      if (num < 60) return;
      try {
        const u = new Uint8Array(buf.readByteArray(Math.min(num, 30000)));
        // 编码成可检索串 (简化: 只查 ascii 子串)
        let s = '';
        for (let i = 0; i < u.length; i++) s += (u[i] >= 32 && u[i] < 127) ? String.fromCharCode(u[i]) : '.';
        if (s.indexOf('dfpReport') < 0 && s.indexOf('hyudbwebuif') < 0) return;
        fired = true;
        const hex = Array.from(u).map(x => x.toString(16).padStart(2, '0')).join('');
        emit({ event: 'str-magic', module: mod.name, num, full: hex, bt: btOk(this.context) });
        // ---- co-located: 命中后立即在 turing 区域 + 全堆扫第二处魔数/明文特征 ----
        const MAG = [0x57, 0x18, 0x82, 0xcf, 0x66, 0x4b, 0xb3, 0x94, 0x01, 0xee];
        setTimeout(() => {
          try {
            const regions = [];
            for (const m of Process.enumerateModules()) {
              if (/turing|Turin/.test(m.name)) regions.push({ name: m.name, p: m.base, n: Math.min(m.size, 2 * 1024 * 1024) });
            }
            // 附加: 加载库里的映射区域 (含 .turing.dat mmap) — 用 Process.enumerateRanges 'r--' 太广, 只挑 map 文件路径含 turing 的
            for (const r of Process.enumerateRanges('r--')) {
              try {
                const f = r.file ? r.file.path : '';
                if (/turing|\.dat/.test(f) && !/\.so/.test(f)) regions.push({ name: f.slice(-40), p: r.base, n: Math.min(r.size, 512 * 1024) });
              } catch (e) {}
            }
            let nFound = 0;
            for (const rg of regions) {
              try {
                const buf = new Uint8Array(rg.p.readByteArray(rg.n));
                for (let i = 0; i + 10 < rg.n; i++) {
                  let ok = true;
                  for (let j = 0; j < 10; j++) if (buf[i+j] !== MAG[j]) { ok = false; break; }
                  if (!ok) continue;
                  nFound++;
                  if (nFound > 12) break;
                  // 邻域 ASCII 提取
                  const as = [];
                  for (let k = -128; k < 1024; k += 64) {
                    try {
                      const c = Array.from(new Uint8Array(rg.p.add(i + k).readByteArray(64)));
                      const str = c.map(x => (x >= 32 && x < 127) ? String.fromCharCode(x) : '.').join('');
                      if (/[A-Za-z0-9_\-\.\/:]{10,}/.test(str)) as.push({ k, s: str });
                    } catch (e) {}
                  }
                  emit({ event: 'co-magic', mod: rg.name, off: '0x' + i.toString(16), ascii: as.slice(0, 10) });
                }
              } catch (e) {}
            }
            emit({ event: 'co-done', n: nFound, regions: regions.length });
          } catch (e) { emit({ event: 'co-err', msg: String(e).slice(0, 120) }); }
        }, 0);
      } catch (e) {}
    },
  });
  emit({ event: 'ssl-hooked', module: mod.name });
}

// ===== 附加: Java 密钥钩子 (Cprivate.b 明文+密钥 / Perseus.a 会话密钥) =====
setTimeout(function(){ 
  function S(o){ try { send(o); } catch(e){} }
  try {
    Java.perform(function(){
      var hooked = 0;
      try {
        var Cpr = null, Melon = null;
        Java.enumerateClassLoaders({
          onMatch: function(loader){
            try {
              Java.classFactory.loader = loader;
              var c = Java.use('com.tencent.turingfd.sdk.ams.ga.private');
              if (c) { Cpr = c; Melon = Java.use('com.tencent.turingfd.sdk.ams.ga.Melon'); }
            } catch(e){}
          },
          onComplete: function(){}
        });
        if (!Cpr) { Cpr = Java.use('com.tencent.turingfd.sdk.ams.ga.private'); Melon = Java.use('com.tencent.turingfd.sdk.ams.ga.Melon'); }
        var Melon = Java.use('com.tencent.turingfd.sdk.ams.ga.Melon');
        Cpr.b.overload('[B','[B').implementation = function(a, b){
          var out = this.b(a, b);
          try {
            S({event:'cpr-b', dlen:a.length, klen:b.length,
               key:Melon.a(b), dhead:(Melon.a(a)||'').substring(0,300)});
          } catch(e){ S({event:'cpr-err', e:String(e)}); }
          return out;
        };
        hooked++;
      } catch(e){ S({event:'cpr-nohook', e:String(e).substring(0,120)}); }
      try {
        var Perseus = Java.use('com.tencent.turingfd.sdk.ams.ga.Perseus');
        var Guava = Java.use('com.tencent.turingfd.sdk.ams.ga.Guava');
        Perseus.a.implementation = function(){
          this.a();
          try {
            var g = this.b.value;
            if (g) S({event:'perseus-key', c:g.c.value, b1:g.a.value, blen: g.b.value ? g.b.value.length : -1});
          } catch(e){}
        };
        hooked++;
      } catch(e2){ S({event:'cpr-noperseus', e:String(e2).substring(0,120)}); }
      S({event:'cpr-installed', hooked:hooked});
    });
  } catch(e) { S({event:'cpr-perm', e:String(e).substring(0,120)}); }
 }, 1500);