alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE HYDSEVEN VBS CnC Host Information Checkin"; flow:established,to_server; urilen:1; http.method; content:"GET"; http.header; content:"Authorization|3a 20|SUQ6"; fast_pattern; http.accept; content:"*.*"; depth:3; endswith; reference:url,www.fireeye.com/blog/threat-research/2019/03/winrar-zero-day-abused-in-multiple-campaigns.html; reference:url,www.lac.co.jp/lacwatch/pdf/20190619_cecreport_sp.pdf; classtype:command-and-control; sid:2027515; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_06_25, deployment Perimeter, confidence High, signature_severity Major, updated_at 2020_09_17;)