Versions (3)
Version DetailsCurrent
Rev: 7 • May 14, 2017, 12:00 PMET MALWARE Possible WannaCry DNS Lookup 2
alert dns $HOME_NET any -> any any (msg:"ET MALWARE Possible WannaCry DNS Lookup 2"; dns.query; content:"ifferfsodp9ifjaposdfjhgosurijfaewrwergwea"; isdataat:!6,relative; nocase; fast_pattern; reference:cve,2017-0144; reference:url,www.endgame.com/blog/wcrywanacry-ransomware-technical-analysis; reference:url,www.bleepingcomputer.com/news/security/telefonica-tells-employees-to-shut-down-computers-amid-massive-ransomware-outbreak/; classtype:trojan-activity; sid:2024293; rev:7; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_05_14, cve CVE_2017_0144, deployment Perimeter, malware_family wannacry, performance_impact Moderate, confidence Medium, signature_severity Critical, tag Ransomware, updated_at 2022_08_19;)
May 14, 2017, 12:00 PM
Aug 19, 2022, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-malware.rules