ET MALWARE OldGremlin/TA801 Domain in TLS SNI (diadok-documentscdn .c688de .com)
Sourceet/open
CreatedAugust 15, 2024
UpdatedAugust 15, 2024
Classificationtrojan-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE OldGremlin/TA801 Domain in TLS SNI (diadok-documentscdn .c688de .com)"; flow:established,to_server; tls.sni; bsize:30; content:"diadok-documentscdn.c688de.com"; fast_pattern; reference:url,habr.com/ru/companies/f_a_c_c_t/articles/836264/; classtype:trojan-activity; sid:2055285; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_08_15, deployment Perimeter, malware_family OldGremlin, malware_family TA801, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_08_15, reviewed_at 2025_01_22, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)
References
Metadata
attack targetClient_Endpoint
created at2024_08_15
deploymentPerimeter
malware familyTA801
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2024_08_15
reviewed at2025_01_22
mitre tactic idTA0001
mitre tactic nameInitial_Access
mitre technique idT1566
mitre technique namePhishing
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