webhard

Board of Secrets Revenge

miptctf

Task: Web app with admin bot where /api/secret is censored by proxy. Solution: Used relative path script injection for XSS, extracted ETag header containing SHA1 hash of original response, brute-forced the flag from the hash.

$ ls tags/ techniques/

sha1 file_upload xss nginx express admin_bot headless_chrome aiohttp proxy_bypass etag relative_path_injection

relative_path_script_injectionetag_hash_leaksha1_bruteforceresponse_header_exfiltrationproxy_censorship_bypass

Analysis

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$ 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.

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