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Rev: 1 • Mar 31, 2022, 12:00 PMET MALWARE Observed MSIL/Lightning Stealer Domain (panelss .xyz in TLS SNI)
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed MSIL/Lightning Stealer Domain (panelss .xyz in TLS SNI)"; flow:established,to_server; tls.sni; content:"panelss.xyz"; bsize:11; fast_pattern; reference:md5,1b922b6d15085da82e20fee0789a6617; reference:url,twitter.com/3xp0rtblog/status/1509484987401351177; classtype:domain-c2; sid:2035680; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_03_31, deployment Perimeter, malware_family MSIL_Lightning, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_03_31, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
Mar 31, 2022, 12:00 PM
Mar 31, 2022, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 4, 2025, 9:34 PM
rules/emerging-malware.rules