DITEKSHEN_MALWARE_Win_Fujinamarat

rule DITEKSHEN_MALWARE_Win_Fujinamarat : FILE
{
	meta:
		description = "Detects FujinamaRAT"
		author = "ditekSHen"
		id = "f6b08713-1c03-5914-b0a2-ea9164a3f2cb"
		date = "2020-11-06"
		modified = "2024-11-01"
		reference = "https://github.com/ditekshen/detection"
		source_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/yara/malware.yar#L4629-L4645"
		license_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/LICENSE.txt"
		logic_hash = "42557094afe67196442f46d76f156c09852d694bcc5f03eac51e79ad247c2fdd"
		score = 75
		quality = 75
		tags = "FILE"
		snort2_sid = "920124"
		snort3_sid = "920121"

	strings:
		$s1 = "GetAsyncKeyState" fullword ascii
		$s2 = "HTTP/1.0" fullword wide
		$s3 = "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727)" fullword wide
		$s4 = "frmMain" fullword ascii
		$s5 = "G<=>?@ABGGGGGGGGGGGGGGGGGGGGGGGGGGCDEF" fullword ascii
		$s6 = "VBA6.DLL" fullword ascii
		$s7 = "t_save" fullword ascii

	condition:
		uint16( 0 ) == 0x5a4d and 6 of them
}