YARA · Malpedia signator rules
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:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "8e0f816b-f334-5f53-bde8-8c13e5a1573a"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.batchwiper"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.batchwiper_auto.yar#L1-L120"
= "N/A"
= "7b7cda4dab9bb8ec218294d77768f35a5d54eba78e3d583128b9f7cf9e6690f0"
= 75
= 75
= "FILE"
= "1"
= "yara-signator v0.6.0"
= "callsandjumps;datarefs;binvalue"
= "20260422"
= "a182e35da64e6d71cb55f125c4d4225196523f14"
= "20260504"
= "CC BY-SA 4.0"
= "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)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { a1???????? 50 50 ff742408 e8???????? 8d0d2cb14000 5a } | |
| $sequence_1 | hex | { 8d0d24b14000 5a e8???????? c744240c02000000 } | |
| $sequence_2 | hex | { a1???????? 50 50 ff35???????? ff35???????? e8???????? 8d0d9cb14000 } | |
| $sequence_3 | hex | { 8d0d44b14000 e8???????? ba???????? 8d0d48b14000 e8???????? ba???????? 8d0d4cb14000 } | |
| $sequence_4 | hex | { ff96e0de0100 09c0 7407 8903 } | |
| $sequence_5 | hex | { e8???????? a3???????? 8b1d???????? 21db 7e65 c705????????00000000 8b1d???????? } | |
| $sequence_6 | hex | { e8???????? ba???????? 8d0d60b14000 e8???????? ba???????? 8d0d64b14000 e8???????? } | |
| $sequence_7 | hex | { 893d???????? c705????????dd424000 c705????????80464000 c705????????da464000 } | |
| $sequence_8 | hex | { 8b442408 894514 8b442404 894518 } | |
| $sequence_9 | hex | { 46 46 53 686d490100 57 } |
Condition
7 of them and filesize < 270336In 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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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)
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
| 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 |
Tags:FILE
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