Versions (4)
Version DetailsCurrent
Rev: 3 • Feb 8, 2018, 12:00 PMET MALWARE Shurl0ckr Ransomware CnC (kdvm5fd6tn6jsbwh .onion .to in DNS Lookup)
alert dns $HOME_NET any -> any any (msg:"ET MALWARE Shurl0ckr Ransomware CnC (kdvm5fd6tn6jsbwh .onion .to in DNS Lookup)"; dns.query; content:"kdvm5fd6tn6jsbwh"; nocase; depth:16; classtype:command-and-control; sid:2025332; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_02_08, deployment Perimeter, malware_family Shurl0ckr, confidence High, signature_severity Major, tag Ransomware, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_24, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;)
Feb 8, 2018, 12:00 PM
Aug 24, 2020, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 29, 2025, 9:34 PM
rules/emerging-malware.rules