Crack SHA1 Hash

Can you crack this SHA1 hash?

Challenge 04 Jan 2026 Pro Exclusive Solution (Pro)

A single SHA1 hash stands between you and victory. This cryptographic puzzle challenges you to reverse-engineer the original plaintext from its hashed form. Will you use brute force, rainbow tables, or clever wordlist attacks? The clock is ticking, and the hash is waiting to be broken.

Flags

Points

95%

Success Rate

Start Your Challenge

~1-2 min setup

Dedicated server

Private instance

Industry standard

Open the target and find the flags

Flag

+5 pts

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Crack SHA1 Hash

Challenge 5 points

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