ET MALWARE Observed SloppyLemming/UNK_SloppyDisc Domain (classifieds .workers .dev in TLS SNI)
Sourceet/open
CreatedSeptember 27, 2024
UpdatedSeptember 27, 2024
Classificationtrojan-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed SloppyLemming/UNK_SloppyDisc Domain (classifieds .workers .dev in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".classifieds.workers.dev"; endswith; fast_pattern; reference:url,www.cloudflare.com/threat-intelligence/research/report/unraveling-sloppylemmings-operations-across-south-asia/; classtype:trojan-activity; sid:2056263; 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;)
References
Metadata
attack targetClient_Endpoint
created at2024_09_27
deploymentPerimeter
malware familyUNK_SloppyDisc
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2024_09_27
mitre tactic idTA0011
mitre tactic nameCommand_And_Control
mitre technique idT1071
mitre technique nameApplication_Layer_Protocol
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