alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Suspected VileRAT Related Request Activity (GET)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/c&v="; startswith; fast_pattern; content:"&u="; distance:0; content:"&a="; distance:0; content:"&c="; distance:0; http.header_names; content:!"Referer"; reference:url,securelist.com/vilerat-deathstalkers-continuous-strike/107075/; classtype:trojan-activity; sid:2038593; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_08_23, deployment Perimeter, malware_family DeathStalker, malware_family VileRAT, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_08_23;)