Listen to this Post
Introduction
Bug bounty hunting is a critical skill in cybersecurity, enabling researchers to uncover vulnerabilities before malicious actors exploit them. Jivan Magare, a security researcher, shares deep-dive technical writeups on AppSecWriteups.com, covering web, mobile, and thick client security. This article explores key methodologies, tools, and commands used in bug bounty hunting.
Learning Objectives
- Understand common bug bounty hunting techniques for web, mobile, and thick client apps.
- Learn verified Linux/Windows commands and tools for vulnerability discovery.
- Apply API security testing and reverse engineering techniques.
You Should Know
1. Web Application Security Testing with Burp Suite
Command/Tool:
java -jar burpsuite_pro_vX.X.X.jar
Step-by-Step Guide:
- Launch Burp Suite and configure your browser proxy to
127.0.0.1:8080. - Intercept requests to analyze parameters for SQLi, XSS, and CSRF.
3. Use Burp Scanner to automate vulnerability detection.
2. Android APK Reverse Engineering with APKTool
Command:
apktool d target.apk -o output_dir
Step-by-Step Guide:
- Decompile the APK to extract Smali code and resources.
2. Analyze AndroidManifest.xml for insecure permissions.
3. Repack and test modified APKs for vulnerabilities.
3. Thick Client Penetration Testing with Frida
Command:
frida -U -f com.example.app -l script.js
Step-by-Step Guide:
1. Inject Frida scripts to bypass SSL pinning.
2. Hook into functions to manipulate app logic.
3. Extract sensitive data from memory.
- API Security Testing with Postman & OWASP ZAP
Command:
docker run -it owasp/zap2docker-stable zap.sh
Step-by-Step Guide:
- Import API endpoints into Postman for manual testing.
- Use OWASP ZAP to automate fuzzing and parameter tampering.
- Check for Broken Object Level Authorization (BOLA) and IDOR.
5. Binary Exploitation with Ghidra
Command:
ghidraRun
Step-by-Step Guide:
1. Load the binary into Ghidra for decompilation.
2. Identify buffer overflows and format string vulnerabilities.
3. Craft exploits using Python + pwntools.
6. Cloud Security Hardening (AWS)
Command:
aws iam get-account-authorization-details
Step-by-Step Guide:
1. Audit IAM policies for overprivileged roles.
2. Enable GuardDuty for threat detection.
3. Use CloudSploit to scan for misconfigurations.
7. Exploiting iOS Apps with Objection
Command:
objection explore
Step-by-Step Guide:
1. Jailbreak the iOS device and install Frida.
2. Use Objection to bypass TouchID/Keychain access.
3. Patch anti-debugging mechanisms.
What Undercode Say
- Key Takeaway 1: Bug bounty hunting requires persistence and automation—tools like Burp Suite and Frida drastically improve efficiency.
- Key Takeaway 2: Reverse engineering is essential for uncovering hidden vulnerabilities in mobile and thick client apps.
Analysis:
The rise of API-driven applications and thick client software has expanded attack surfaces. Researchers must master dynamic and static analysis to stay ahead. Platforms like HackTheBox and AppSecWriteups.com provide invaluable real-world training.
Prediction
As AI-driven security tools evolve, bug bounty hunting will become more automated. However, human ingenuity in exploit development will remain irreplaceable. Expect more thick client and IoT vulnerabilities to emerge in the next 5 years.
Want more? Check out AppSecWriteups.com for advanced techniques and real-world case studies! 🚀
🎯Let’s Practice For Free:
IT/Security Reporter URL:
Reported By: Jivanmagare Android – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅
