alert dns any any -> $HOME_NET any (msg:"ET MALWARE Vidar Stealer IP Address in DNS Query Response"; content:"|81 80 00 01|"; offset:2; depth:4; content:"|c0 0c|"; distance:0; content:"|00 01|"; distance:1; content:"|b9 95 78 09|"; distance:6; fast_pattern; reference:url,twitter.com/crep1x/status/1612199364805660673; classtype:trojan-activity; sid:2043248; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_01_09, deployment Perimeter, deprecation_reason Relevance, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_05_10;)