RsaCtfTool

Platform: HackTheBox | Category: Cryptography | Difficulty: Easy | Author: D3v0o0Nu11 | Date: 2026-02-10

Description

Crypto is fun ;)

Solution Approach

Core idea: Identify the weakness from source review or fingerprinting first. Iterate with incremental payloads instead of guessing.

Steps

1. First, unzip the .zip file given, then jump to the extracted folder.

Flag

(no flag captured)

Lessons Learned

1. Identify the weakness from source review or fingerprinting first.
2. Iterate with incremental payloads instead of guessing.
3. Reuse the same pattern in future engagements.