alert dns $HOME_NET any -> any any (msg:"ET MALWARE Interactsh Control Panel (DNS)"; threshold:type both, track by_src, count 1, seconds 600; dns.query; pcre:"/^[a-z0-9]{33}/"; content:".interact.sh"; endswith; fast_pattern; reference:url,unit42.paloaltonetworks.com/exploits-interactsh/; classtype:trojan-activity; sid:2034201; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_10_15, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_05_02;)