alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE NORTHSTAR Command Sent to Client"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"setCommand.nonfunction.php"; fast_pattern; endswith; http.referer; content:"interact.php?slave="; content:"&sid="; distance:0; http.request_body; content:"slave="; startswith; content:"&command="; distance:0; content:"&sid="; distance:0; content:"&token="; distance:0; reference:url,github.com/EnginDemirbilek/NorthStarC2/; classtype:command-and-control; sid:2030191; rev:1; metadata:attack_target Client_Endpoint, created_at 2020_05_19, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_05_19;)