alert dns $HOME_NET any -> any any (msg:"ET INFO External IP Lookup Domain in DNS Lookup (ip .bablosoft .com)"; dns.query; content:"ip"; nocase; content:".bablosoft.com"; distance:1; nocase; pcre:"/^ip[23]?\.bablosoft\.com$/"; threshold:type limit,track by_src,count 1,seconds 60; classtype:bad-unknown; sid:2036685; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_05_26, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2022_06_09, reviewed_at 2023_09_01, mitre_tactic_id TA0007, mitre_tactic_name Discovery, mitre_technique_id T1614, mitre_technique_name System_Location_Discovery;)