Versions (3)
Version DetailsCurrent
Rev: 4 • Jan 3, 2014, 12:00 PMET MALWARE Backdoor family PCRat/Gh0st CnC traffic (OUTBOUND) 10
alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Backdoor family PCRat/Gh0st CnC traffic (OUTBOUND) 10"; flow:established,to_server; stream_size:server,<,5; dsize:>11; byte_jump:4,0,from_beginning,little,post_offset -1; isdataat:!2,relative; content:"|78 9c|"; fast_pattern; pcre:"/^.{4}[\x20-\x7e]+?.{4}\x78\x9c/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,a88e0e5a2c8fd31161b5e4a31e1307a0; classtype:command-and-control; sid:2017916; rev:4; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2014_01_03, deployment Perimeter, malware_family Gh0st, malware_family PCRAT, performance_impact Significant, confidence Medium, signature_severity Critical, tag PCRAT, tag Gh0st, tag RAT, updated_at 2021_08_31;)
Jan 3, 2014, 12:00 PM
Aug 31, 2021, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-malware.rules