After this lesson, you will be able to: Use Hydra for password attacks against a controlled target.
Once you've enumerated services, exploitation often comes down to credentials. This lesson covers brute force, dictionary attacks, and credential stuffing, using Hydra against an authorized lab.
Brute force, every combination (slow, last resort). Dictionary, wordlist of common passwords (rockyou.txt, 14M passwords). Credential stuffing, leaked creds from prior breaches replayed elsewhere (because users reuse passwords). Password spraying, one password, many users (avoids lockouts).
ONLY against TryHackMe / HTB / your own VM:
# SSH login attackhydra -l admin -P /usr/share/wordlists/rockyou.txt ssh://10.10.10.10# Web form attackhydra -l admin -P passwords.txt 10.10.10.10 http-post-form \'/login:username=^USER^&password=^PASS^:Invalid'# Multiple usershydra -L users.txt -P passwords.txt ssh://10.10.10.10
Once in: extract more creds (Mimikatz on Windows, /etc/shadow on Linux, ~/.aws/credentials, ~/.ssh/id_rsa). Most pen tests succeed not by 'l33t hax' but by chained credential reuse.
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