Rule History

alert udp $HOME_NET any -> [85.255.112.0/20,67.210.0.0/20,93.188.160.0/21,77.67.83.0/24,213.109.64.0/20,64.28.176.0/20] 53 (msg:"ET DELETED Potential DNS Request from Trojan.DNSChanger infected system"; content:"|01 00 00 01 00 00 00 00 00 00|"; depth:10; offset:2; reference:url,www.fbi.gov/news/stories/2011/november/malware_110911/DNS-changer-malware.pdf; classtype:trojan-activity; sid:2014043; rev:2; metadata:created_at 2011_12_28, signature_severity Unknown, updated_at 2019_07_26;)