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MALPEDIA_Win_Batchwiper_Auto

autogenerated rule brought to you by yara-signator

MalwareBatchwiperMalpedia signator rulesCreative Commons Attribution-ShareAlike 4.0Compiles with YARA-X
Author
Felix Bilstein - yara-signator at cocacoding dot com
Date
2026-05-04
Modified
2026-05-18
Score / Quality
75 / 75

What this rule detects

autogenerated rule brought to you by yara-signator

Associated malware family: Batchwiper.

It defines 10 patterns (0 text, 10 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

win-batchwiper-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Batchwiper_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "8e0f816b-f334-5f53-bde8-8c13e5a1573a"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.batchwiper"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.batchwiper_auto.yar#L1-L120"
		license_url = "N/A"
		logic_hash = "7b7cda4dab9bb8ec218294d77768f35a5d54eba78e3d583128b9f7cf9e6690f0"
		score = 75
		quality = 75
		tags = "FILE"
		version = "1"
		tool = "yara-signator v0.6.0"
		signator_config = "callsandjumps;datarefs;binvalue"
		malpedia_rule_date = "20260422"
		malpedia_hash = "a182e35da64e6d71cb55f125c4d4225196523f14"
		malpedia_version = "20260504"
		malpedia_license = "CC BY-SA 4.0"
		malpedia_sharing = "TLP:WHITE"

	strings:
		$sequence_0 = { a1???????? 50 50 ff742408 e8???????? 8d0d2cb14000 5a }
		$sequence_1 = { 8d0d24b14000 5a e8???????? c744240c02000000 }
		$sequence_2 = { a1???????? 50 50 ff35???????? ff35???????? e8???????? 8d0d9cb14000 }
		$sequence_3 = { 8d0d44b14000 e8???????? ba???????? 8d0d48b14000 e8???????? ba???????? 8d0d4cb14000 }
		$sequence_4 = { ff96e0de0100 09c0 7407 8903 }
		$sequence_5 = { e8???????? a3???????? 8b1d???????? 21db 7e65 c705????????00000000 8b1d???????? }
		$sequence_6 = { e8???????? ba???????? 8d0d60b14000 e8???????? ba???????? 8d0d64b14000 e8???????? }
		$sequence_7 = { 893d???????? c705????????dd424000 c705????????80464000 c705????????da464000 }
		$sequence_8 = { 8b442408 894514 8b442404 894518 }
		$sequence_9 = { 46 46 53 686d490100 57 }

	condition:
		7 of them and filesize < 270336
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ a1???????? 50 50 ff742408 e8???????? 8d0d2cb14000 5a }
$sequence_1hex{ 8d0d24b14000 5a e8???????? c744240c02000000 }
$sequence_2hex{ a1???????? 50 50 ff35???????? ff35???????? e8???????? 8d0d9cb14000 }
$sequence_3hex{ 8d0d44b14000 e8???????? ba???????? 8d0d48b14000 e8???????? ba???????? 8d0d4cb14000 }
$sequence_4hex{ ff96e0de0100 09c0 7407 8903 }
$sequence_5hex{ e8???????? a3???????? 8b1d???????? 21db 7e65 c705????????00000000 8b1d???????? }
$sequence_6hex{ e8???????? ba???????? 8d0d60b14000 e8???????? ba???????? 8d0d64b14000 e8???????? }
$sequence_7hex{ 893d???????? c705????????dd424000 c705????????80464000 c705????????da464000 }
$sequence_8hex{ 8b442408 894514 8b442404 894518 }
$sequence_9hex{ 46 46 53 686d490100 57 }

Condition

7 of them and filesize < 270336

In plain words (Heuristic)

  • The file must be smaller than 270336 (a cheap guard that skips large files).
  • At least 7 patterns in the rule must match.

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References

Licence & attribution

Author: Felix Bilstein - yara-signator at cocacoding dot com

Source repository: Malpedia signator rules @ c901f97b7d

Licence: Creative Commons Attribution-ShareAlike 4.0 (repository licence)

Original rule

Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.

Rule id: 8e0f816b-f334-5f53-bde8-8c13e5a1573a

Metadata

version1
toolyara-signator v0.6.0
signator_configcallsandjumps;datarefs;binvalue
malpedia_rule_date20260422
malpedia_hasha182e35da64e6d71cb55f125c4d4225196523f14
malpedia_version20260504
malpedia_licenseCC BY-SA 4.0
malpedia_sharingTLP:WHITE

Tags:FILE