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Find JNI function signatures in APK and apply to reverse tools.

Makefile 0.09% Python 12.94% C 6.53% C++ 77.09% Java 2.23% CMake 1.12%

apk ghidra ida jni-helper radare2

jni_helper's Introduction

Hi 👋, I'm evilpan(aka. 有价值炮灰)

A Security Researcher.

🌱 I’m currently focusing on Mobile and Web Vulnerabilities Research
📝 I regularly write articles on My Blog
💬 Ask me about Hacking and Bug Hunting
📫 How to reach me: [email protected]
🔑 My GPG public key is: 56F7 1F31 9CC6 5DB7

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jni_helper's Issues

JNI Helper for IDA can't use in IDA PRO 7.5 SP3

Some api have changed.

https://www.hex-rays.com/products/ida/support/ida74_idapython_no_bc695_porting_guide.shtml

r2 afvt "Cant find get by name env"问题

用afs修改函数签名（并且执行afva）后，参数不会根据签名重新解析，从而在afvt env JNIEnv*的时候报错"Cant find get by name env"

这是afs修改签名前的函数签名：

修改后的函数签名与参数：

可以看到参数并没有改变，所以找不到名为env的参数。（我没有用过r2，猜测r2里的签名是注释性质的，是给用户而不是内部的解析模块看的）

JNI Helper for IDA can't use in IDA PRO 7.6 SP1

IDA PRO 7.6 SP1、python3.9.1，一运行IDA就是如下提示：

D:\IDA7.6\plugins\jni_helper3.py: invalid syntax (D:/IDA7.6/plugins/jni_helper3.py, line 7)
Traceback (most recent call last):
  File "D:\IDA7.6\python\3\ida_idaapi.py", line 615, in IDAPython_ExecScript
    code = compile(raw.decode(encoding), path, 'exec')
  File "D:/IDA7.6/plugins/jni_helper3.py", line 7
    <!DOCTYPE html>
    ^
SyntaxError: invalid syntax

关于 ghidra使用 jni_helper

缺少 app-debug.json 导致 helper无法运行，可以提供一些 jni_helper.json 示例么？

headers/jni.h 内容了重复两遍

从1948行开始，好像一样的内容又重复了一遍。我拿vscode对比了一下，前后内容完全一样。是不是Ctrl-v按了两次😂。

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