Rule History

alert dns $HOME_NET any -> any any (msg:"ET DELETED DNS Query to Zeus CnC DGA Domain (ppsvcvrcgkllplyn .ru) Pseudo Random Domain"; dns.query; content:"ppsvcvrcgkllplyn.ru"; fast_pattern; nocase; bsize:19; reference:url,blog.unmaskparasites.com/2012/06/22/runforestrun-and-pseudo-random-domains/; reference:url,blog.opendns.com/2012/07/10/opendns-security-team-blackhole-exploit/; classtype:command-and-control; sid:2015259; rev:5; metadata:created_at 2012_07_12, signature_severity Unknown, updated_at 2022_07_15;)