alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/Spy.Pavica.FH Variant CnC Activity"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/command.php?t=1&id="; fast_pattern; http.user_agent; content:"Mozilla/5.0|20|(Windows|20|NT)"; reference:md5,704f7e92de304744ad8b3a839550084c; reference:url,app.any.run/tasks/2acce298-8180-47fd-befc-9f380468dbe4/; reference:url,twitter.com/jstrosch/status/1319704698031640577; classtype:command-and-control; sid:2031096; rev:1; metadata:attack_target Client_Endpoint, created_at 2020_10_23, deployment Perimeter, malware_family Win32_Spy_Pavica_FH, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_23;)