ET MALWARE Observed DNS Query to UNC3890 Domain (office365update .live)

SID: 2038563Rev: 11 views
History
Sourceet/open
CreatedAugust 18, 2022
UpdatedAugust 18, 2022
Classificationtrojan-activity
alert dns $HOME_NET any -> any any (msg:"ET MALWARE Observed DNS Query to UNC3890 Domain (office365update .live)"; dns.query; dotprefix; content:".office365update.live"; nocase; endswith; reference:url,www.mandiant.com/resources/suspected-iranian-actor-targeting-israeli-shipping; classtype:trojan-activity; sid:2038563; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_08_18, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_08_18;)

References

urlwww.mandiant.com/resources/suspected-iranian-actor-targeting-israeli-shipping

Metadata

attack targetClient_Endpoint
created at2022_08_18
deploymentPerimeter
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2022_08_18

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