Rule History

alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE MSIL/Diezen CnC Checkin M1"; flow:established,to_server; dsize:<400; content:"|40|"; startswith; content:"|40|ID|3a 40|"; distance:0; fast_pattern; content:"|40 20 2d 3e 20|"; distance:0; reference:url,threatrecon.nshc.net/2019/10/24/sectord01-when-anime-goes-cyber/; classtype:command-and-control; sid:2028908; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_10_25, deployment Perimeter, malware_family Sakabota, malware_family Diezen, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_10_25;)