alert dns $HOME_NET any -> any any (msg:"ET MALWARE LYCEUM CnC Domain Observed in DNS Query"; dns.query; content:"cybersecnet.co.za"; nocase; endswith; reference:url,www.secureworks.com/blog/lyceum-takes-center-stage-in-middle-east-campaign; classtype:command-and-control; sid:2027922; rev:3; metadata:affected_product Any, attack_target Client_Endpoint, created_at 2019_08_28, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_17;)