YARA · Malpedia signator rules
MALPEDIA_Win_Hermeticwiper_Auto
autogenerated rule brought to you by yara-signator
MalwareHermeticwiperMalpedia 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: Hermeticwiper.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-hermeticwiper-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Hermeticwiper_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "18d5a8b9-b317-5c4b-9c63-dec6f28a123a"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.hermeticwiper"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.hermeticwiper_auto.yar#L1-L121"
= "N/A"
= "c6efe8f4f6375004867b0f13ba138230f4887f7bb79fd5fa6b7089aa249855b2"
= 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 = { 33d2 f7f1 89459c ffd3 8b3d???????? 50 }
$sequence_1 = { 8d5710 894c244c 8b7f08 89542430 8d54245c 8b4c2430 57 }
$sequence_2 = { 8b4de4 897060 897864 895858 }
$sequence_3 = { 50 53 ff15???????? 8bf0 85f6 0f88bf000000 }
$sequence_4 = { 8b7c2414 83c404 e9???????? 8b7c2410 e9???????? }
$sequence_5 = { 894854 8b4de4 897060 897864 895858 }
$sequence_6 = { 3931 762b 8d7918 6a00 52 ff7704 }
$sequence_7 = { 8bc8 8bfa 8b45e8 3bc3 }
$sequence_8 = { 50 ff15???????? 8d8578fcffff 8d5002 668b08 83c002 6685c9 }
$sequence_9 = { 8d4c2414 68???????? 51 8944241c ffd7 85c0 7509 }
condition:
7 of them and filesize < 247808
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 33d2 f7f1 89459c ffd3 8b3d???????? 50 } | |
| $sequence_1 | hex | { 8d5710 894c244c 8b7f08 89542430 8d54245c 8b4c2430 57 } | |
| $sequence_2 | hex | { 8b4de4 897060 897864 895858 } | |
| $sequence_3 | hex | { 50 53 ff15???????? 8bf0 85f6 0f88bf000000 } | |
| $sequence_4 | hex | { 8b7c2414 83c404 e9???????? 8b7c2410 e9???????? } | |
| $sequence_5 | hex | { 894854 8b4de4 897060 897864 895858 } | |
| $sequence_6 | hex | { 3931 762b 8d7918 6a00 52 ff7704 } | |
| $sequence_7 | hex | { 8bc8 8bfa 8b45e8 3bc3 } | |
| $sequence_8 | hex | { 50 ff15???????? 8d8578fcffff 8d5002 668b08 83c002 6685c9 } | |
| $sequence_9 | hex | { 8d4c2414 68???????? 51 8944241c ffd7 85c0 7509 } |
Condition
7 of them and filesize < 247808In plain words (Heuristic)
- The file must be smaller than 247808 (a cheap guard that skips large files).
- At least 7 patterns in the rule must match.
Test this rule in your browser
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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: 18d5a8b9-b317-5c4b-9c63-dec6f28a123a
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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