alert http $HOME_NET any -> $EXTERNAL_NET 1024: (msg:"ET MALWARE Malicious Powershell Activity (GET)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/jquery-3.3.1.slim.min.js"; bsize:25; http.referer; content:"http://code.jquery.com/"; bsize:23; reference:md5,f3100ed6ed9526289473ecd6af30061e; classtype:trojan-activity; sid:2047678; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_08_21, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_08_21, reviewed_at 2023_08_21; target:src_ip;)