alert dns $HOME_NET any -> any any (msg:"ET MALWARE Cobalt Strike Domain in DNS Lookup (fepopeguc .com)"; dns.query; content:"fepopeguc.com"; nocase; bsize:13; reference:url,twitter.com/Unit42_Intel/status/1613710507638235136; classtype:domain-c2; sid:2043300; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_01_13, deployment Perimeter, malware_family Cobalt_Strike, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_09_30, reviewed_at 2024_09_30;)