alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/Injector.ULH CnC Activity"; flow:established,to_server; http.start; content:"GET /swidget/d23r523t4id HTTP/1.1|0d 0a|Host|3a 20|whos.amung.us|0d 0a 0d 0a|"; bsize:58; fast_pattern; reference:md5,2679be8b6b76fb765191c9854af39e9f; classtype:command-and-control; sid:2031496; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_01_07, deployment Perimeter, malware_family Win32_Injector_ULH, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_01_07;)