Rule History

alert tcp $HOME_NET any -> $EXTERNAL_NET 1024: (msg:"ET MALWARE MultiThreat/Winspy.RAT Keep-Alive (flowbit set)"; flow:established,to_server; dsize:2; content:"/P"; depth:2; flowbits:set,WinSpy.KeepAlive; flowbits:noalert; reference:url,www.fireeye.com/blog/technical/2014/03/from-windows-to-droids-an-insight-in-to-multi-vector-attack-mechanisms-in-rats.html; reference:md5,815576890789003a7575c2948508c6b1; classtype:trojan-activity; sid:2018291; rev:1; metadata:created_at 2014_03_18, signature_severity Major, updated_at 2019_07_26;)