ET MALWARE Cobalt Strike Related Domain in DNS Lookup (checkauj .com)
Sourceet/open
Fileemerging-malware.rules
CreatedNovember 29, 2021
UpdatedMarch 26, 2024
Classificationdomain-c2
alert dns $HOME_NET any -> any any (msg:"ET MALWARE Cobalt Strike Related Domain in DNS Lookup (checkauj .com)"; dns.query; bsize:12; content:"checkauj.com"; nocase; reference:md5,ab3a744545a12ba2f6789e94b789666a ; reference:url,thedfirreport.com/2021/11/29/continuing-the-bazar-ransomware-story/ ; classtype:domain-c2; sid:2034551; rev:2; metadata:attack_target Client_Endpoint, created_at 2021_11_29, deployment Perimeter, malware_family Cobalt_Strike, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_26;)
References
| md5 | ab3a744545a12ba2f6789e94b789666a |
| url | thedfirreport.com/2021/11/29/continuing-the-bazar-ransomware-story/ |
Metadata
attack targetClient_Endpoint
created at2021_11_29
deploymentPerimeter
malware familyCobalt_Strike
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2024_03_26
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