ET MALWARE Observed Cobalt Strike Related Domain (mail .igov-service .net in TLS SNI)
Sourceet/open
CreatedApril 13, 2022
UpdatedApril 13, 2022
Classificationdomain-c2
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Cobalt Strike Related Domain (mail .igov-service .net in TLS SNI)"; flow:established,to_server; tls.sni; content:"mail.igov-service.net"; bsize:21; fast_pattern; reference:md5,199369f6b6eba1147d7e1bca208d6dab; classtype:domain-c2; sid:2035916; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_04_13, deployment Perimeter, malware_family Cobalt_Strike, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_04_13, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
References
| md5 | 199369f6b6eba1147d7e1bca208d6dab |
Metadata
attack targetClient_Endpoint
created at2022_04_13
deploymentPerimeter
malware familyCobalt_Strike
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2022_04_13
mitre tactic idTA0011
mitre tactic nameCommand_And_Control
mitre technique idT1071
mitre technique nameApplication_Layer_Protocol
Comments (0)
Please sign in to leave a comment.
Sign inNo comments yet. Be the first to comment!