SEKOIA_Wiper_Win_Dnwipe

import "pe"
import "hash"

rule SEKOIA_Wiper_Win_Dnwipe : FILE
{
	meta:
		description = "Detect the dnWipe malware"
		author = "Sekoia.io"
		id = "522fdaa5-8fe6-4e37-aaf8-13e3a7787d21"
		date = "2022-11-21"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/wiper_win_dnwipe.yar#L4-L26"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "634ca80a168c9d98ce87a3a1a451769bddb7ae27e28b3682693b34ccce2c7ad4"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = "dnWIPE"
		$ = "dnWIPE" wide
		$ = "C:\\Users\\Admin1\\source\\repos\\dnWIPE\\dnWIPE\\obj\\Debug\\dnWIPE.pdb"

	condition:
		uint16( 0 ) == 0x5A4D and all of them and filesize < 50KB or for any i in ( 0 .. pe.number_of_resources -1 ) : ( hash.sha256 ( pe.resources [ i ] . offset , pe.resources [ i ] . length ) == "93290ef6447b0a16b92e50a1652ac3eb8f1237cc5f8005e080750fb58c19d230" )
}