ET MALWARE Malicious Cobalt Strike SSL Cert (asurecloud .tech)
Sourceet/open
CreatedNovember 9, 2021
UpdatedNovember 9, 2021
Classificationdomain-c2
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Malicious Cobalt Strike SSL Cert (asurecloud .tech)"; flow:established,to_client; tls.cert_subject; content:"CN=asurecloud.tech"; bsize:18; fast_pattern; reference:url,www.cert.ssi.gouv.fr/uploads/CERTFR-2021-CTI-009.pdf; classtype:domain-c2; sid:2034392; rev:1; metadata:attack_target Client_Endpoint, created_at 2021_11_09, deployment Perimeter, malware_family Cobalt_Strike, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_11_09;)
References
Metadata
attack targetClient_Endpoint
created at2021_11_09
deploymentPerimeter
malware familyCobalt_Strike
confidenceMedium
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2021_11_09
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