alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DELETED Backdoor family PCRat/Gh0st CnC traffic (OUTBOUND) 42"; flow:to_server,established; dsize:>11; content:"|7c 01|"; offset:9; depth:2; byte_jump:4,-6,relative,little,from_beginning, post_offset -1; isdataat:!2,relative; pcre:"/^[\x20-\x7e]{5}.{4}\x7c\x01/s"; 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:md5,6a6ef7b4c7e8300a73b206e32e14ce3c; classtype:command-and-control; sid:2019362; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2014_10_06, deployment Perimeter, malware_family Gh0st, malware_family PCRAT, performance_impact Significant, signature_severity Critical, tag PCRAT, tag Gh0st, tag RAT, updated_at 2019_07_26;)