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SID: 2056276 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 1Sep 27, 2024, 12:00 PM

ET MALWARE Observed SloppyLemming/UNK_SloppyDisc Domain (locaal .navybd-gov .info in TLS SNI)

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed SloppyLemming/UNK_SloppyDisc Domain (locaal .navybd-gov .info in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".locaal.navybd-gov.info"; endswith; fast_pattern; reference:url,www.cloudflare.com/threat-intelligence/research/report/unraveling-sloppylemmings-operations-across-south-asia/; classtype:trojan-activity; sid:2056276; 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