Recent reports indicate potential SQL injection attacks targeting government admin panels in South Asia. Attackers are submitting malicious `UNION SELECT` payloads as passwords, probing for vulnerabilities in critical infrastructure.
You Should Know: SQL Injection Detection & Prevention
1. Identifying SQL Injection Attempts
Attackers often use payloads like:
' OR 1=1 -- " UNION SELECT username, password FROM users -- admin'--
Monitor logs for such patterns using grep in Linux:
grep -E "UNION.SELECT|OR 1=1|--|\/\" /var/log/apache2/access.log
2. Preventing SQL Injection
- Use Prepared Statements (Parameterized Queries)
Python (with SQLite3) cursor.execute("SELECT FROM users WHERE username = ? AND password = ?", (user, passwd)) - Input Validation & Sanitization
Using sed to filter malicious input echo "$input" | sed "s/'/''/g" | sed "s/--//g"
- Web Application Firewall (WAF) Rules
Nginx WAF rule to block SQLi location /admin { if ($args ~ "union.select") { return 403; } }
3. Analyzing Attack Patterns
Use tshark (Wireshark CLI) to detect SQLi in network traffic:
tshark -r traffic.pcap -Y "http.request.uri contains 'UNION SELECT'"
4. Hardening Database Security
- Restrict DB user privileges:
REVOKE ALL PRIVILEGES ON . FROM 'webuser'@'%'; GRANT SELECT ON app_db. TO 'webuser'@'%';
- Enable logging in MySQL:
SET GLOBAL general_log = 'ON'; SET GLOBAL log_output = 'FILE';
5. Automated Scanning with SQLmap
Test your own systems ethically:
sqlmap -u "https://example.com/login" --data="user=admin&pass=test" --risk=3 --level=5
What Undercode Say
SQL injection remains a top attack vector due to poor input handling. Governments and enterprises must:
– Deploy WAFs (ModSecurity, Cloudflare)
– Use ORMs (Hibernate, Entity Framework)
– Conduct pentests (Burp Suite, OWASP ZAP)
– Monitor logs (ELK Stack, Splunk)
Log monitoring command (fail2ban for SQLi) fail2ban-regex /var/log/mysql.log "(union.select|1=1|-- )"
Stay ahead by automating defenses:
Cron job to alert on SQLi attempts 0 grep -q "SQL injection" /var/log/nginx/error.log && echo "ALERT: SQLi Detected" | mail -s "Security Alert" [email protected]
Expected Output:
- Blocked SQLi attempts in WAF logs
- Secure database configurations
- Reduced exposure to credential leaks
Prediction
AI-driven SQLi detection tools will soon replace regex-based WAFs, using machine learning to detect zero-day injection patterns. Governments will enforce stricter compliance (like GDPR) for public-sector web apps.
(Relevant URL: OWASP SQL Injection Guide)
References:
Reported By: Louis Hur – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅
