alert http $EXTERNAL_NET any -> any any (msg:"ET SCAN JAWS Webserver Unauthenticated Shell Command Execution"; flow:established,to_server; http.method; content:"GET"; http.uri.raw; content:"/shell?cd+/tmp|3b|rm+-rf+*|3b|wget+"; startswith; fast_pattern; reference:md5,fea9e4132fc9d30bda5eb6b1d9d0b9b9; classtype:web-application-attack; sid:2030093; rev:3; metadata:affected_product Linux, attack_target Web_Server, created_at 2020_05_04, deployment Perimeter, confidence Low, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_12;)