DITEKSHEN_MALWARE_Win_Spectre

rule DITEKSHEN_MALWARE_Win_Spectre : FILE
{
	meta:
		description = "Detects Spectre infostealer"
		author = "ditekSHen"
		id = "43b32900-8dff-5a95-bcff-d6bd17703476"
		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#L8109-L8124"
		license_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/LICENSE.txt"
		logic_hash = "ee041928ab5010fd5a06538f9a7cf9c72e44903fdb05f13b12362af0b326fd6f"
		score = 75
		quality = 75
		tags = "FILE"
		snort_sid = "920233-920234"

	strings:
		$s1 = "\\../../../json.h" wide
		$s2 = "static_cast<std::size_t>(index) < kCachedPowers.size()" fullword wide
		$s3 = " cmd.exe" fullword wide
		$s4 = "m_it.object_iterator != m_object->m_value.object->end()" fullword wide
		$h1 = "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:40.0) Gecko/20100101 Firefox/40.1" fullword wide
		$h2 = "----974767299852498929531610575" ascii wide
		$h3 = "Content-Disposition: form-data; name=\"file\"; filename=\"" fullword ascii

	condition:
		( uint16( 0 ) == 0x5a4d and ( ( all of ( $s* ) and 1 of ( $h* ) ) or ( all of ( $h* ) and 2 of ( $s* ) ) ) ) or ( 6 of them )
}