Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE SYS01 Information Stealer CnC Domain (graeslavur .com) in DNS Lookup"; dns.query; content:"graeslavur.com"; nocase; bsize:14; reference:url,blog.morphisec.com/sys01stealer-facebook-info-stealer; classtype:domain-c2; sid:2044512; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_03_07, deployment Perimeter, deprecation_reason Relevance, malware_family SYS01_Stealer, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_05_10;)