SEKOIA_Apt_Sugargh0Stcampaign_Malicious_Lnk

rule SEKOIA_Apt_Sugargh0Stcampaign_Malicious_Lnk : FILE
{
	meta:
		description = "Detects malicious LNK used in SugarGh0st campaign"
		author = "Sekoia.io"
		id = "4297c150-d125-49b9-8850-fcedf5284ae9"
		date = "2023-12-01"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/apt_sugargh0stcampaign_malicious_lnk.yar#L1-L18"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "9efa131fdb02f31812c8a3f2053e1b60d0970c748eb0f82aed92a1c0719e048c"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = "dir /S/b *.lnk " wide
		$ = "%temp%\\*.lnk" wide

	condition:
		uint32be( 0 ) == 0x4c000000 and filesize < 1MB and all of them
}