Stranger's CTF 2026 - SecurePad

Challenge Name: SecurePad Category: Reverse Engineering / Crypto Description: SecurePad™ — “Security Through Obscurity… and Comic Sans.” A custom encryption algorythm powered notepad. 1. Description The challenge provides a Windows executable SecurePad.exe and an encrypted file flag.enc. The goal is to reverse the “custom encryption algorythm” and decrypt the flag. 2. Analysis Binary Overview File Type: PE32 executable for MS Windows (GUI) Architecture: Intel i386 Symbols: None (Stripped) Static analysis using strings revealed: ...

March 27, 2026 · 3 min · dennyabrahamsinaga