YARA · Malpedia signator rules
MALPEDIA_Win_Polyglotduke_Auto
autogenerated rule brought to you by yara-signator
MalwarePolyglotdukeMalpedia 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: Polyglotduke.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-polyglotduke-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Polyglotduke_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "bd1cdf0e-15dd-5c4c-ab72-fd36e70c90c4"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.polyglotduke"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.polyglotduke_auto.yar#L1-L130"
= "N/A"
= "d064f7fc396b35b48b1d6e8322ade65ed162888536ee04d4d1c2c231e2a4ff25"
= 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 = { 49ffc1 4d3bca 7cbd e9???????? 488b7c2430 498bcc e8???????? }
$sequence_1 = { 0f44cf 4863f1 488d4c3602 e8???????? 448d4601 488bd8 }
$sequence_2 = { 482bc8 48c1e903 8bc1 488b7cc420 488bcf ff15???????? 8d5801 }
$sequence_3 = { 418bd4 488bce 4983c010 e8???????? 488bcb e8???????? 488bc6 }
$sequence_4 = { 488d0d67d20000 488bd8 e8???????? 488b542430 488b8c24c0000000 488bf8 e8???????? }
$sequence_5 = { 488bf2 488be9 4885c9 7507 33c0 e9???????? 488bca }
$sequence_6 = { ff15???????? 4889742420 c744242803000000 4863c8 488d85b0010000 4889742438 6689b44db2010000 }
$sequence_7 = { 488bd8 e8???????? 41bc04010000 418bcc e8???????? }
$sequence_8 = { 4c8b6c2430 418bfc e9???????? 448b03 488b5308 488b4c2438 }
$sequence_9 = { 7455 8d5011 488d0d27570100 e8???????? 488bc8 488bf8 e8???????? }
condition:
7 of them and filesize < 222784
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 49ffc1 4d3bca 7cbd e9???????? 488b7c2430 498bcc e8???????? } | |
| $sequence_1 | hex | { 0f44cf 4863f1 488d4c3602 e8???????? 448d4601 488bd8 } | |
| $sequence_2 | hex | { 482bc8 48c1e903 8bc1 488b7cc420 488bcf ff15???????? 8d5801 } | |
| $sequence_3 | hex | { 418bd4 488bce 4983c010 e8???????? 488bcb e8???????? 488bc6 } | |
| $sequence_4 | hex | { 488d0d67d20000 488bd8 e8???????? 488b542430 488b8c24c0000000 488bf8 e8???????? } | |
| $sequence_5 | hex | { 488bf2 488be9 4885c9 7507 33c0 e9???????? 488bca } | |
| $sequence_6 | hex | { ff15???????? 4889742420 c744242803000000 4863c8 488d85b0010000 4889742438 6689b44db2010000 } | |
| $sequence_7 | hex | { 488bd8 e8???????? 41bc04010000 418bcc e8???????? } | |
| $sequence_8 | hex | { 4c8b6c2430 418bfc e9???????? 448b03 488b5308 488b4c2438 } | |
| $sequence_9 | hex | { 7455 8d5011 488d0d27570100 e8???????? 488bc8 488bf8 e8???????? } |
Condition
7 of them and filesize < 222784In plain words (Heuristic)
- The file must be smaller than 222784 (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: bd1cdf0e-15dd-5c4c-ab72-fd36e70c90c4
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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