ET MALWARE Observed DangerousPassword APT Related Domain (cop .osonlines .co in TLS SNI)

7.0.35.0SID: 2035382Rev: 2Enabled0 views
Sourceet/open
Fileemerging-malware.rules
CreatedMarch 2, 2022
UpdatedMarch 26, 2024
Classificationdomain-c2
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed DangerousPassword APT Related Domain (cop .osonlines .co in TLS SNI)"; flow:established,to_server; tls.sni; bsize:16; content:"cop.osonlines.co"; fast_pattern; reference:url,twitter.com/cyber__sloth/status/1498698178585104385; classtype:domain-c2; sid:2035382; rev:2; metadata:created_at 2022_03_02, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_26, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)

References

urltwitter.com/cyber__sloth/status/1498698178585104385

Metadata

created at2022_03_02
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2024_03_26
mitre tactic idTA0011
mitre tactic nameCommand_And_Control
mitre technique idT1071
mitre technique nameApplication_Layer_Protocol

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