Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE EvilNum APT Related Domain in DNS Lookup (imageztun .com)"; dns.query; content:"imageztun.com"; nocase; bsize:13; reference:md5,f5f9ba063e3fee25e0a298c0e108e2d4; reference:url,www.zscaler.com/blogs/security-research/return-evilnum-apt-updated-ttps-and-new-targets; classtype:domain-c2; sid:2037152; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_06_29, deployment Perimeter, malware_family EvilNum, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_06_29;)