Hacker101 Encrypted Pastebin

The pastebin uses mode. If you’ve studied crypto, you know CBC has a classic weakness: bit flipping attacks . Because each ciphertext block affects the next block’s plaintext, changing a byte in block N-1 toggles the corresponding byte in block N’s plaintext.

: perl padBuster.pl [URL] [Encrypted_ID] [Block_Size] -cookies "[Cookies]" hacker101 encrypted pastebin

: To get all the flags, you often have to decrypt a token, modify it using bit-flipping, and then re-encrypt it to perform a SQL injection. Are you stuck on a specific flag or just starting out with the Padding Oracle CTF — Hacker101 — Encrypted Pastebin | by Ravid Mazon The pastebin uses mode