alert dns $HOME_NET any -> any any (msg:"ET INFO Powershell Repo Domain (powershellgallery .com in DNS Lookup)"; dns.query; bsize:21; content:"powershellgallery.com"; nocase; reference:url,www.powershellgallery.com; classtype:misc-activity; sid:2067732; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, affected_product Windows_8, affected_product Windows_10, attack_target Client_Endpoint, created_at 2026_02_17, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_02_17;)