Use regular expressions to extract security events from log files
Create regex patterns to detect malware artifacts and IOCs
Build secure input validation using regex patterns
Use regex for proactive threat hunting and anomaly detection
A WAF rule meant to catch SQL injection blocks a legitimate customer order instead. Fix the false positive.
JNDI lookup strings evade a naive detection rule through nested lookup obfuscation. Build a pattern that holds up.
Design regex to find and redact primary account numbers leaking into application logs.
A validation regex someone wrote years ago is quietly capable of hanging the process that runs it.
A phishing campaign uses Punycode-encoded lookalike domains. Build a pattern that flags them for review.
Windows security logs hold the fingerprint of Kerberoasting, if the right event fields are pattern-matched together.