SEKOIA_Apt_Unk_Batcopier_Strings

rule SEKOIA_Apt_Unk_Batcopier_Strings : FILE
{
	meta:
		description = "Detects BatCopier variant"
		author = "Sekoia.io"
		id = "eb76bbd0-a722-4fec-a4a7-c48c70a1880b"
		date = "2024-09-06"
		modified = "2024-12-19"
		reference = "https://www.seqrite.com/blog/operation-oxidovy-sophisticated-malware-campaign-targets-czech-officials-using-nato-themed-decoys/"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/apt_unk_batcopier_strings.yar#L1-L18"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "0007d6d00d5b8db048456bb566ef9ed4516c4e1b392cc73c40396785ba885f55"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = "@echo off"
		$ = "echo F|xcopy"
		$ = "attrib +r +s +h"

	condition:
		all of them and filesize < 1KB
}