SEKOIA_Crime_Sload_Vbs_Wsf_Downloader

rule SEKOIA_Crime_Sload_Vbs_Wsf_Downloader : FILE
{
	meta:
		description = "Detects sLoad Downloader"
		author = "Sekoia.io"
		id = "55d87205-5f8f-479a-a616-bf3fce571f03"
		date = "2022-08-01"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/crime_sload_vbs_wsf_downloader.yar#L1-L18"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "bd6a9112edb01544463aa7112432ad49360221e89a9ac15d5e8f6731b2b8780a"
		score = 75
		quality = 76
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = { 53 65 74 20 6c 69 6e 6b 20 3d 20 [5-10] 2e 43 72 65 61 74 65 53 68 6f 72 74 63 75 74 28 }
		$ = { 2e 72 75 6e 20 22 63 3a 5c 55 73 65 72 73 5c 50 75 62 6c 69 63 5c 44 6f 63 75 6d 65 6e 74 73 5c [5-10] 2e 6c 6e 6b 20 2f 63 20 70 6f 77 65 72 73 68 65 6c 6c }
		$ = { 3d 22 20 2f 63 20 70 6f 77 65 72 73 68 65 6c 6c 20 22 }
		$ = { 20 2f 63 20 70 6f 77 65 72 73 68 65 6c 6c 20 22 20 26 20 }

	condition:
		2 of them and filesize < 1KB
}