alert dns $HOME_NET any -> any any (msg:"ET MALWARE JS/Cloud9 Domain (download .agency) in DNS Lookup"; dns.query; content:"download.agency"; nocase; bsize:15; reference:url,www.zimperium.com/blog/the-case-of-cloud9-chrome-botnet/; classtype:trojan-activity; sid:2039761; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_11_09, deployment Perimeter, malware_family JS_Cloud9, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_09_23, reviewed_at 2024_09_23;)