reversePromedium

Chaos

hackerlab

Task: a .NET WinForms app hides an emoji-only ciphertext behind a secret keyboard trigger and clipboard copy path. Solution: decompile Form1, trigger the hidden CHEAT branch, convert the emoji-aes text to OpenSSL salted AES, and brute-force the passphrase from a local wordlist.

emoji_cipher aes dotnet embedded_resources winforms openssl_salted clipboard_trigger

dotnet_decompilationopenssl_aes_decryptionhidden_input_trigger_discoveryemoji_aes_decodingdictionary_bruteforce

$ ls tags/ techniques/

emoji_cipher aes dotnet embedded_resources winforms openssl_salted clipboard_trigger

dotnet_decompilationopenssl_aes_decryptionhidden_input_trigger_discoveryemoji_aes_decodingdictionary_bruteforce

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