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SID: 2052429 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 1May 6, 2024, 12:00 PM

ET MALWARE Observed APT42/TA453 Related Domain (decorous-super-blender .glitch .me in TLS SNI)

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed APT42/TA453 Related Domain (decorous-super-blender .glitch .me in TLS SNI)"; flow:established,to_server; tls.sni; bsize:32; content:"decorous-super-blender.glitch.me"; fast_pattern; reference:url,www.volexity.com/blog/2024/02/13/charmingcypress-innovating-persistence/; classtype:misc-activity; sid:2052429; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_05_06, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_05_06, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)

May 6, 2024, 12:00 PM

May 6, 2024, 12:00 PM

Sep 21, 2024, 3:00 AM

Aug 11, 2025, 10:35 PM

rules/emerging-malware.rules