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Version DetailsCurrent
Rev: 1 • Sep 27, 2024, 12:00 PMET MALWARE Observed SloppyLemming/UNK_SloppyDisc Domain (storage-e13 .sharepoint-e13 .workers .dev in TLS SNI)
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed SloppyLemming/UNK_SloppyDisc Domain (storage-e13 .sharepoint-e13 .workers .dev in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".storage-e13.sharepoint-e13.workers.dev"; endswith; fast_pattern; reference:url,www.cloudflare.com/threat-intelligence/research/report/unraveling-sloppylemmings-operations-across-south-asia/; classtype:trojan-activity; sid:2056273; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_09_27, deployment Perimeter, malware_family SloppyLemming, malware_family UNK_SloppyDisc, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_09_27, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
Sep 27, 2024, 12:00 PM
Sep 27, 2024, 12:00 PM
Sep 27, 2024, 9:01 PM
Jul 22, 2025, 9:34 PM
rules/emerging-malware.rules