Update PoisonIvy.yar

Add PoisonIvy_Generic_3 rule

malware/PoisonIvy.yar

@@ -22,3 +22,32 @@ rule poisonivy : rat
 		$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*)
+			)
+}