YARA · Malpedia signator rules
MALPEDIA_Win_Metadatabin_Auto
autogenerated rule brought to you by yara-signator
MalwareMetadatabinMalpedia 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: Metadatabin.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-metadatabin-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Metadatabin_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "a2d0df94-9344-5970-ae13-4092f0b7ea03"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.metadatabin"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.metadatabin_auto.yar#L1-L134"
= "N/A"
= "e23b710fe308760b0d61742755dba605975b9311e6186f6b185213ad8bc453bc"
= 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 = { 89fb 89c7 758b 8b45f0 8b5510 8b4dec 39d8 }
$sequence_1 = { 8b5c2414 8b4c2418 31c0 01d9 894c2418 8d4c19ff 39f9 }
$sequence_2 = { c1e105 01c1 fec0 f7d9 884724 80f909 726a }
$sequence_3 = { f7e3 8b5c2408 01c8 89842460010000 0fb6442418 11c2 89d8 }
$sequence_4 = { c144240407 c1c007 c1c207 8944244c 89c8 89f9 8954242c }
$sequence_5 = { f7e3 01f8 89d1 8b7c2440 89842418010000 8b442430 11f1 }
$sequence_6 = { 7426 01d0 8d341a 662e0f1f840000000000 6690 0fb618 40 }
$sequence_7 = { 89f7 8b75ec 89d3 8d14bd00000000 8b4808 8b4508 8d0481 }
$sequence_8 = { 8b8c2480020000 89542424 f7e1 898424d0010000 8b8424f0000000 89542420 f7e1 }
$sequence_9 = { f20f11431c f20f114b24 8b45dc 89432c 31c0 894604 897e08 }
condition:
7 of them and filesize < 1263616
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 89fb 89c7 758b 8b45f0 8b5510 8b4dec 39d8 } | |
| $sequence_1 | hex | { 8b5c2414 8b4c2418 31c0 01d9 894c2418 8d4c19ff 39f9 } | |
| $sequence_2 | hex | { c1e105 01c1 fec0 f7d9 884724 80f909 726a } | |
| $sequence_3 | hex | { f7e3 8b5c2408 01c8 89842460010000 0fb6442418 11c2 89d8 } | |
| $sequence_4 | hex | { c144240407 c1c007 c1c207 8944244c 89c8 89f9 8954242c } | |
| $sequence_5 | hex | { f7e3 01f8 89d1 8b7c2440 89842418010000 8b442430 11f1 } | |
| $sequence_6 | hex | { 7426 01d0 8d341a 662e0f1f840000000000 6690 0fb618 40 } | |
| $sequence_7 | hex | { 89f7 8b75ec 89d3 8d14bd00000000 8b4808 8b4508 8d0481 } | |
| $sequence_8 | hex | { 8b8c2480020000 89542424 f7e1 898424d0010000 8b8424f0000000 89542420 f7e1 } | |
| $sequence_9 | hex | { f20f11431c f20f114b24 8b45dc 89432c 31c0 894604 897e08 } |
Condition
7 of them and filesize < 1263616In plain words (Heuristic)
- The file must be smaller than 1263616 (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: a2d0df94-9344-5970-ae13-4092f0b7ea03
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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