Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE MSIL/Agent.DNL CnC Activity M1"; flow:established,to_server; http.method; content:"POST"; http.content_type; content:"application/json"; bsize:16; http.request_body; content:"|22|TaskResult|22|"; content:"|22|Date|22|"; content:"|22|owner|22|"; fast_pattern; reference:md5,a6828081717974a89792548e1e31f29a; reference:url,twitter.com/fr0s7_/status/1428326979527381000; classtype:command-and-control; sid:2033743; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_08_19, deployment Perimeter, malware_family MSIL_Agent_DNL, performance_impact Moderate, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_08_19;)