DITEKSHEN_MALWARE_Win_Vidar

rule DITEKSHEN_MALWARE_Win_Vidar : FILE
{
	meta:
		description = "Detects Vidar / ArkeiStealer"
		author = "ditekSHen"
		id = "d858c463-26d7-5f96-ad9a-cb261a8c61c6"
		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#L3640-L3650"
		license_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/LICENSE.txt"
		logic_hash = "c95c8694c05ff0e8d28f098e668a8ae8fa70130e31af6c0e540c4e5596007e41"
		score = 75
		quality = 75
		tags = "FILE"

	strings:
		$s1 = "\"os_crypt\":{\"encrypted_key\":\"" fullword ascii
		$s2 = "screenshot.jpg" fullword wide
		$s3 = "Content-Disposition: form-data; name=\"" ascii

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