Contact person: Business Client

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Location: Mumbai, India

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"I have an Android APK whose login routine I need to understand in detail. The original source code is no longer available, so the only way forward is to reverse-engineer the package, trace the user-authentication flow, and document exactly how it works—from input handling all the way to any server-side calls, token generation, or encryption that might be in play.

Speed matters: I would like an initial pass as soon as possible, with clear, readable output that lets me see the control flow and security measures at a glance.

Deliverables I expect:
• Decompiled code (Java or smali) focused on the authentication classes
• A concise technical report explaining each step in the login process, external endpoint details, and any crypto routines discovered
• Recommendations on potential vulnerabilities or areas for improvement, if they surface during analysis

Feel free to use whatever tooling you prefer—JADX, apktool, Ghidra, or other favorite reverse-engineering utilities—as long as the final material is well organized and easy to follow." (client-provided description)