alert tcp $EXTERNAL_NET any -> $HOME_NET 9000 (msg:"ET EXPLOIT xdebug OS Command Execution"; flow:established,to_server; content:"eval -i 1 --|0d 0a|ZmlsZV9wdXRfY29udGVudH"; reference:url,exploit-db.com/exploits/44568/; classtype:attempted-user; sid:2025794; rev:2; metadata:attack_target Web_Server, created_at 2018_07_09, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, updated_at 2019_07_26;)