Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE APT/FamousSparrow CnC Domain in DNS Lookup (credits.offices-analytics .com)"; dns.query; content:"credits.offices-analytics.com"; nocase; bsize:29; reference:url,twitter.com/ESETresearch/status/1441013111469879300; reference:url,www.welivesecurity.com/2021/09/23/famoussparrow-suspicious-hotel-guest/; classtype:domain-c2; sid:2034016; rev:1; metadata:attack_target Client_Endpoint, created_at 2021_09_23, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_09_23;)