crypto challenge
Known Key
Granite Peak Systems is investigating its vendor portal after a route was encrypted with a Vigenere-style shift using a key explicitly recorded in the maintenance notes. Step in as the responder and follow the evidence.
Incident briefing
Scenario
You have been brought in to help Granite Peak Systems investigate its vendor portal after a route was encrypted with a Vigenere-style shift using a key explicitly recorded in the maintenance notes. The environment is intentionally vulnerable and isolated for this exercise.
Objective
Use the known key to recover the route and capture the flag.
Skills
What you will practice
- Vigenere
- known-key decryption
Ready to practice?
Launch an isolated target
Sign in to Locinode to receive a disposable lab environment and Kali workstation for this mission. Public pages never expose flags or intended solutions.
Enter range