ET MALWARE Cobalt Strike Related Domain in DNS Lookup (extic .icu)
Sourceet/open
CreatedJune 24, 2022
UpdatedJune 24, 2022
Classificationdomain-c2
alert dns $HOME_NET any -> any any (msg:"ET MALWARE Cobalt Strike Related Domain in DNS Lookup (extic .icu)"; dns.query; content:"extic.icu"; nocase; bsize:9; reference:url,isc.sans.edu/diary/rss/28752; classtype:domain-c2; sid:2037105; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_06_24, deployment Perimeter, deployment SSLDecrypt, malware_family Cobalt_Strike, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_06_24;)
References
Metadata
attack targetClient_Endpoint
created at2022_06_24
deploymentSSLDecrypt
malware familyCobalt_Strike
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2022_06_24
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