Note: The output will often look like a string of random characters followed by the version number (e.g., 5.7.29-0ubuntu0.18.04.1 ). 2. Unauthenticated Enumeration
The MySQL Pentesting guide on HackTricks provides a comprehensive roadmap for auditing MySQL services.
Tools like automate generating the raw packets. This technique is widely used in CTF challenges and real SSRF‑to‑RCE chains. The Gopher protocol allows attackers to interact with any TCP service without a traditional network client. mysql hacktricks verified
CREATE FUNCTION sys_exec RETURNS INTEGER SONAME 'udf.so'; CREATE FUNCTION sys_eval RETURNS STRING SONAME 'udf.so';
-- Check global privileges for the current user SELECT * FROM information_schema.user_privileges WHERE grantee LIKE "'user'%"; -- Determine if the user has the crucial SUPER or FILE privilege SELECT is_grantable FROM information_schema.user_privileges WHERE privilege_type = 'SUPER'; SELECT is_grantable FROM information_schema.user_privileges WHERE privilege_type = 'FILE'; Use code with caution. 5. File System Interaction and Local File Inclusion (LFI) Note: The output will often look like a
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Securing a MySQL deployment involves applying defense-in-depth principles across configuration files and access policies. Tools like automate generating the raw packets
To stay hidden, avoid % – use a specific IP or a hostname that resolves to your C2.
are the gold standard for MySQL privilege escalation. The concept is simple: MySQL can load dynamic libraries ( .so on Linux, .dll on Windows) and treat them as built‑in functions. If an attacker has write access to MySQL’s plugin directory and the FILE privilege, malicious code can be imported.