alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Backdoor Win32/Zegost.Q CnC traffic (OUTBOUND)"; flow:to_server,established; dsize:>11; content:"|55 60 67 6c 69 70 9a|"; offset:8; depth:7; reference:url,www.securelist.com/en/descriptions/10155706/Trojan-GameThief.Win32.Magania.eogz; reference:url,www.microsoft.com/security/portal/Threat/Encyclopedia/Entry.aspx?Name=Backdoor%3AWin32%2FPcClient.ZR&ThreatID=-2147325231; reference:md5,4f0d365408b439eb9aaf0b2352abb662; classtype:command-and-control; sid:2018390; rev:1; metadata:created_at 2014_04_16, malware_family Win32_Zegost_Q, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)