ET MALWARE Observed APT Related CR4T Dropper Domain (commonline .space in TLS SNI)
Sourceet/open
CreatedApril 23, 2024
UpdatedApril 23, 2024
Classificationtrojan-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed APT Related CR4T Dropper Domain (commonline .space in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".commonline.space"; endswith; fast_pattern; reference:url,securelist.com/dunequixote/112425/; reference:md5,5a04d9067b8cb6bcb916b59dcf53bed3; classtype:trojan-activity; sid:2052238; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_04_23, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_23, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
References
| url | securelist.com/dunequixote/112425/ |
| md5 | 5a04d9067b8cb6bcb916b59dcf53bed3 |
Metadata
attack targetClient_Endpoint
created at2024_04_23
deploymentPerimeter
performance impactLow
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2024_04_23
mitre tactic idTA0011
mitre tactic nameCommand_And_Control
mitre technique idT1071
mitre technique nameApplication_Layer_Protocol
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