Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Malicious Browser Installer Domain in DNS Lookup (tor-browser .io)"; dns.query; content:"tor-browser.io"; nocase; bsize:14; reference:url,9AABCABABD5B677813589F7154302EE0; reference:url,securelist.com/onionpoison-infected-tor-browser-installer-youtube/107627/; classtype:trojan-activity; sid:2039095; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_10_05, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_07_31;)