cryptoPromedium

2 Шакала

taipanbyte

Task: Two base64 strings given with task name hinting at SHACAL-2 cipher. Solution: Manually implemented SHACAL-2 decryption by reversing SHA-256 compression function rounds.

sha256 base64 block_cipher ecb shacal2 pkcs7 pycryptodome

sha256_compression_inversionmanual_cipher_implementationshacal2_round_reversal

$ ls tags/ techniques/

sha256 base64 block_cipher ecb shacal2 pkcs7 pycryptodome

sha256_compression_inversionmanual_cipher_implementationshacal2_round_reversal

Analysis

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$ python3 exploit.py --target 192.168.1.1 --port 8080
[*] Connecting to target...
[+] Shell obtained!

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