SEKOIA_Apt_Uta0178_Javascript_Inclusion_Strings

rule SEKOIA_Apt_Uta0178_Javascript_Inclusion_Strings
{
	meta:
		description = "Detects UTA0178 malicious inclusion strings"
		author = "Sekoia.io"
		id = "af816c35-1f00-47ea-86ee-c034607c625e"
		date = "2024-01-12"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/apt_uta0178_javascript_inclusion_strings.yar#L1-L23"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "d3fedf49417178df374d6ae20e57ffcfa00cb68a647769964c049d9a8e0f4958"
		score = 75
		quality = 80
		tags = ""
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$s0 = ".value"
		$s1 = "btoa("
		$s2 = "https://"
		$s3 = "new XMLHttpRequest();"
		$s4 = ".send(null);"

	condition:
		@s0< @s1 and @s1 < @s2 and @s2 < @s3 and @s3 < @s4 and @s4- @s0 < 350
}