SEKOIA_Apt_Gamaredon_Doc_External_Template

rule SEKOIA_Apt_Gamaredon_Doc_External_Template : FILE
{
	meta:
		description = "Detects malicious templates used by Gamaredon"
		author = "Sekoia.io"
		id = "5f6bbf92-2fdf-428d-af49-2d3e754c29d7"
		date = "2023-01-23"
		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_doc_external_template.yar#L1-L17"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "51412081fa7e62fa342b0ed6da18009b39e3952286f2bd319fbe10e0b1761e02"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = "USERPROFILE" ascii
		$ = "msxml2" ascii
		$ = "T24gRXJyb3IgUmVzdW1lIE5leHQ" ascii

	condition:
		uint32be( 0 ) == 0xd0cf11e0 and filesize < 100KB and all of them
}