Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE ENV Variable Data Exfiltration Domain (ovz1 .j19544519 .pr46m .vps .myjino .ru) in DNS Lookup"; dns.query; content:"ovz1.j19544519.pr46m.vps.myjino.ru"; nocase; bsize:34; reference:url,twitter.com/stephenlacy/status/1554697077430505473; classtype:trojan-activity; sid:2037909; rev:2; metadata:attack_target Client_and_Server, created_at 2022_08_03, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_09_17, reviewed_at 2024_09_17;)