SEKOIA_Apt_Apt28_Document_Phishing_Webpage

rule SEKOIA_Apt_Apt28_Document_Phishing_Webpage : FILE
{
	meta:
		description = "Detects APT28 document phishing webpage"
		author = "Sekoia.io"
		id = "585a8e23-c302-41d3-938f-eda60c82ef28"
		date = "2024-04-08"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/apt_apt28_document_phishing_webpage.yar#L1-L22"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "b64888c1d8568cf9d8f4dfcd2e18093db8635966d88abaa368dc46a1e4453782"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = "webhook.site"
		$ = "document.createElement('img')"
		$ = "brightness(15%) blur(7.0px)"
		$ = "This document is not available from mobile devices."
		$ = "Capture2.PNG"
		$ = ">CLICK TO VIEW DOCUMENT<"
		$ = "window.location.href = 's"
		$ = ".oast."

	condition:
		4 of them and filesize < 20KB
}