feat: MariBank 风控 bypass、澳洲银行 Hook 与 reverse 逆向工作区
新增 MariBank/SeaBank PH Root 与 SHPSSDK bypass、riskToken 净化及 Up/Suncorp/ubank 消息 Hook;整理 reverse/ 脚本与 Frida 工具链,并补充当日工作说明文档。
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57
reverse/scripts/scan_crypto_register.py
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57
reverse/scripts/scan_crypto_register.py
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# -*- coding: utf-8 -*-
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import re
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import subprocess
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import zipfile
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from pathlib import Path
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APK = Path(__file__).resolve().parent.parent / "apks" / "seabank_ph_base.apk"
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DEXDUMP = Path(r"C:\Users\Administrator\AppData\Local\Android\Sdk\build-tools\37.0.0\dexdump.exe")
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needles = [
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b"CharacterCrypto",
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b"sdkutils",
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b"SoUtils",
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b"dfp is empty",
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b"register scene",
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b"deviceToken",
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b"getRiskToken",
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b"encrypt",
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b"decrypt",
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b"/uapi/v2/register",
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]
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with zipfile.ZipFile(str(APK)) as zf:
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data = b"".join(zf.read(n) for n in zf.namelist() if n.endswith(".dex"))
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for n in needles:
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print(n.decode(), data.count(n))
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print("\n--- CharacterCrypto classes ---")
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for m in re.finditer(rb"L[^;]{0,100}CharacterCrypto[^;]{0,40};", data):
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print(m.group().decode()[1:-1].replace("/", "."))
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print("\n--- SoUtils classes ---")
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for m in re.finditer(rb"L[^;]{0,80}SoUtils[^;]{0,20};", data):
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print(m.group().decode()[1:-1].replace("/", "."))
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print("\n--- native methods in shpssdkbank ---")
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for dex_name in zf.namelist():
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if not dex_name.endswith(".dex"):
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continue
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dex = zf.read(dex_name)
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if b"shpssdkbank" not in dex:
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continue
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tmp = Path(__file__).resolve().parent.parent / "tmp" / "tmp_shps.dex"
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tmp.write_bytes(dex)
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out = subprocess.check_output(
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[str(DEXDUMP), "-d", str(tmp)], universal_newlines=True, errors="replace"
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)
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cap = False
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cls = ""
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for line in out.splitlines():
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if "Class descriptor : 'Lcom/shopee/shpssdkbank/" in line:
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cap = True
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cls = line.split("'")[1]
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elif cap and line.startswith(" Class descriptor") and "shpssdkbank" not in line:
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cap = False
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if cap and ("0x0101" in line or "NATIVE" in line):
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print(cls.replace("L", "").replace(";", "").replace("/", "."), line.strip())
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