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You Should Know:
To identify SSL pinning in mobile apps, reverse engineering is a key technique. Below are some practical commands and tools to help you analyze mobile apps for SSL pinning implementation:
1. Decompiling APK using JADX:
jadx -d output_dir app.apk
This command decompiles the APK file into readable Java code, allowing you to inspect the source for SSL pinning logic.
2. Using Frida to Bypass SSL Pinning:
Install Frida on your system and device, then run the following script to bypass SSL pinning:
frida -U -n com.example.app -l ssl-pinning-bypass.js
The script `ssl-pinning-bypass.js` can be found in Frida’s script repository.
3. Checking Network Traffic with Burp Suite:
- Set up Burp Suite as a proxy for your mobile device.
- Capture and analyze HTTPS traffic to see if the app enforces SSL pinning.
4. Using Objection for Runtime Analysis:
objection explore android sslpinning disable
This command disables SSL pinning during runtime for easier analysis.
5. Inspecting Certificates with OpenSSL:
openssl s_client -connect example.com:443 -showcerts
Use this command to view the server’s SSL certificates and compare them with the pinned certificates in the app.
6. Analyzing Network Security Config (Android):
Check the `res/xml/network_security_config.xml` file in the decompiled APK for custom certificate configurations.
What Undercode Say:
SSL pinning is a critical security measure to prevent man-in-the-middle (MITM) attacks. However, as a pentester, understanding how to identify and bypass SSL pinning is essential for thorough security assessments. Tools like Frida, Burp Suite, and JADX are indispensable for reverse engineering and analyzing mobile apps. Always ensure you have proper authorization before performing such tests. For further reading, refer to the article linked above.
Related Commands:
- Linux Command to Extract APK:
apktool d app.apk
- Windows Command to Check Certificates:
certutil -urlcache -split -f https://example.com/certificate.cer
- Linux Command to Monitor Network Traffic:
tcpdump -i eth0 -w traffic.pcap
For more advanced techniques, explore the provided article and practice the commands mentioned above.
References:
Reported By: Raj Prasad – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅
