cryptoPromedium

Hybrid

hackerlab

Task: Two password-protected ZIP archives using ZipCrypto Store encryption, each containing a part of the flag. Solution: Crack the second archive via dictionary attack (qwerty123), then use bkcrack known-plaintext attack on the first archive by guessing the content prefix from the second file's format.

zip known_plaintext password_cracking dictionary_attack bkcrack zipcrypto store_encryption pkware

zipcrypto_known_plaintext_attackdictionary_password_crackinghybrid_wordlist_attackcrc_based_password_verificationcontent_format_guessing

$ ls tags/ techniques/

zip known_plaintext password_cracking dictionary_attack bkcrack zipcrypto store_encryption pkware

zipcrypto_known_plaintext_attackdictionary_password_crackinghybrid_wordlist_attackcrc_based_password_verificationcontent_format_guessing

Analysis

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

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

Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

Permission denied (requires tier.pro)

Sign in to access full writeups

$sign in

$ cat writeup.md…

Sign in to access full writeups

Sign in to access full writeups

Similar writeups