Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE RedDelta Poison Ivy Domain in DNS Lookup"; dns.query; content:"web.miscrosaft.com"; nocase; bsize:18; reference:url,go.recordedfuture.com/hubfs/reports/cta-2020-0915.pdf; classtype:domain-c2; sid:2030893; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_09_21, deployment Perimeter, malware_family PoisonIvy, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_11_19;)