/* This Yara ruleset is under the GNU-GPLv2 license (http://www.gnu.org/licenses/gpl-2.0.html) and open to any user or organization, as long as you use it under this license. */ import "pe" rule poisonivy : rat { meta: description = "Poison Ivy" author = "Jean-Philippe Teissier / @Jipe_" date = "2013-02-01" filetype = "memory" version = "1.0" ref1 = "https://code.google.com/p/volatility/source/browse/trunk/contrib/plugins/malware/poisonivy.py" strings: $a = { 53 74 75 62 50 61 74 68 ?? 53 4F 46 54 57 41 52 45 5C 43 6C 61 73 73 65 73 5C 68 74 74 70 5C 73 68 65 6C 6C 5C 6F 70 65 6E 5C 63 6F 6D 6D 61 6E 64 [22] 53 6F 66 74 77 61 72 65 5C 4D 69 63 72 6F 73 6F 66 74 5C 41 63 74 69 76 65 20 53 65 74 75 70 5C 49 6E 73 74 61 6C 6C 65 64 20 43 6F 6D 70 6F 6E 65 6E 74 73 5C } condition: $a } rule PoisonIvy_Generic_3 { meta: description = "PoisonIvy RAT Generic Rule" author = "Florian Roth" date = "2015-05-14" hash = "e1cbdf740785f97c93a0a7a01ef2614be792afcd" strings: $k1 = "Tiger324{" fullword ascii $s2 = "WININET.dll" fullword ascii $s3 = "mscoree.dll" fullword wide $s4 = "WS2_32.dll" fullword $s5 = "Explorer.exe" fullword wide $s6 = "USER32.DLL" $s7 = "CONOUT$" $s8 = "login.asp" $h1 = "HTTP/1.0" $h2 = "POST" $h3 = "login.asp" $h4 = "check.asp" $h5 = "result.asp" $h6 = "upload.asp" condition: uint16(0) == 0x5a4d and filesize < 500KB and ( $k1 or all of ($s*) or all of ($h*) ) } rule PoisonIvy { meta: author = " Kevin Breen <kevin@techanarchy.net>" date = "2014/04" ref = "http://malwareconfig.com/stats/PoisonIvy" maltype = "Remote Access Trojan" filetype = "exe" strings: $stub = {04 08 00 53 74 75 62 50 61 74 68 18 04} $string1 = "CONNECT %s:%i HTTP/1.0" $string2 = "ws2_32" $string3 = "cks=u" $string4 = "thj@h" $string5 = "advpack" condition: $stub at 0x1620 and all of ($string*) or (all of them) }