ET MALWARE Wintervivern Related CnC Domain in DNS Lookup (securemanag .com)

7.0.35.0SID: 2034104Rev: 2Enabled2 views
Sourceet/open
Fileemerging-malware.rules
CreatedOctober 4, 2021
UpdatedMarch 25, 2024
Classificationdomain-c2
alert dns $HOME_NET any -> any any (msg:"ET MALWARE Wintervivern Related CnC Domain in DNS Lookup (securemanag .com)"; dns.query; bsize:15; content:"securemanag.com"; nocase; reference:url,lab52.io/blog/winter-vivern-all-summer/; reference:url,www.domaintools.com/resources/blog/winter-vivern-a-look-at-re-crafted-government-maldocs; classtype:domain-c2; sid:2034104; rev:2; metadata:attack_target Client_Endpoint, created_at 2021_10_04, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_25;)

References

urllab52.io/blog/winter-vivern-all-summer/
urlwww.domaintools.com/resources/blog/winter-vivern-a-look-at-re-crafted-government-maldocs

Metadata

attack targetClient_Endpoint
created at2021_10_04
deploymentPerimeter
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2024_03_25

Comments (0)

Please sign in to leave a comment.
Sign in

No comments yet. Be the first to comment!