Rule History

alert tcp-pkt $HOME_NET any -> $EXTERNAL_NET 1024: (msg:"ET MALWARE SideCopy APT Related Backdoor Victim Response (infoback)"; flow:established,to_server; content:"infoback|3b|"; startswith; fast_pattern; content:"|7c|"; distance:1; within:1; content:"|7c|Windows"; distance:0; reference:url,twitter.com/malwareforme/status/1636005291849396224; classtype:trojan-activity; sid:2044627; rev:1; metadata:created_at 2023_03_15, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_15;)