SEKOIA_Apt_Gamaredon_Htmlsmuggling_2024

rule SEKOIA_Apt_Gamaredon_Htmlsmuggling_2024 : FILE
{
	meta:
		description = "Detects HTML Smuggling webpages of Gamaredon used in 2024"
		author = "Sekoia.io"
		id = "8fa1f80b-2261-4d63-92d8-7c360be73fe2"
		date = "2024-09-09"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/apt_gamaredon_htmlsmuggling_2024.yar#L1-L23"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		hash = "ab2807824e68d5efb4c896e1af82e693"
		hash = "926b7e65d0d61cd6ba9e085193ae8b1d"
		logic_hash = "9cd82f497fd7b82f02fec4ce1d131cd2685861c7c02aaae992e07a7d8bd30595"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = "').innerHTML;window['" ascii fullword
		$ = "='at'+'ob';"
		$ = "]('*','');"
		$ = "display:none"
		$ = "0px;\" onerror=\""
		$ = "'ev'+'"
		$ = "<!DOCTYPE html PUBLIC"

	condition:
		5 of them and filesize < 1MB
}