YARA · Malpedia signator rules
MALPEDIA_Win_Typehash_Auto
autogenerated rule brought to you by yara-signator
MalwareTypehashMalpedia 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: Typehash.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-typehash-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Typehash_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "cd3d0daf-071b-56a7-92ed-25ee2ed69617"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.typehash"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.typehash_auto.yar#L1-L122"
= "N/A"
= "6bbfe1811b32f3324fb596ed5ae275614a5c61379d42007891469e7976a2ba78"
= 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 = { 8841ff eb0a 49 51 e8???????? 83c404 8b8c24c0000000 }
$sequence_1 = { f6c303 7509 8b0c85b02b4100 eb07 8b0c85e42b4100 034d20 837d0801 }
$sequence_2 = { 8818 8a9c0a93e54000 88990f354100 40 83f903 }
$sequence_3 = { 7524 8b5750 6a04 6800300000 52 50 ffd6 }
$sequence_4 = { 8a442403 53 55 56 33ed }
$sequence_5 = { 7514 c1e902 83e203 83f908 7229 f3a5 ff2495f8334000 }
$sequence_6 = { ff15???????? bf???????? 83c9ff 33c0 68???????? f2ae }
$sequence_7 = { 66f7460c0c01 7552 833c852835410000 53 57 8d3c8528354100 }
$sequence_8 = { 5f 89b0f83a4100 5e 5b }
$sequence_9 = { 8d8424a80a0000 8d8c2404010000 89442474 3bfb }
condition:
7 of them and filesize < 180224
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 8841ff eb0a 49 51 e8???????? 83c404 8b8c24c0000000 } | |
| $sequence_1 | hex | { f6c303 7509 8b0c85b02b4100 eb07 8b0c85e42b4100 034d20 837d0801 } | |
| $sequence_2 | hex | { 8818 8a9c0a93e54000 88990f354100 40 83f903 } | |
| $sequence_3 | hex | { 7524 8b5750 6a04 6800300000 52 50 ffd6 } | |
| $sequence_4 | hex | { 8a442403 53 55 56 33ed } | |
| $sequence_5 | hex | { 7514 c1e902 83e203 83f908 7229 f3a5 ff2495f8334000 } | |
| $sequence_6 | hex | { ff15???????? bf???????? 83c9ff 33c0 68???????? f2ae } | |
| $sequence_7 | hex | { 66f7460c0c01 7552 833c852835410000 53 57 8d3c8528354100 } | |
| $sequence_8 | hex | { 5f 89b0f83a4100 5e 5b } | |
| $sequence_9 | hex | { 8d8424a80a0000 8d8c2404010000 89442474 3bfb } |
Condition
7 of them and filesize < 180224In plain words (Heuristic)
- The file must be smaller than 180224 (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: cd3d0daf-071b-56a7-92ed-25ee2ed69617
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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