YARA · Malpedia signator rules
MALPEDIA_Win_Donex_Auto
autogenerated rule brought to you by yara-signator
- 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: Donex.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-donex-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Donex_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "448d8eab-91d5-581e-9128-b8e92cc4c6d6"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.donex"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.donex_auto.yar#L1-L132"
= "N/A"
= "fd7a45034170c213dbf47788e8cec6ac0515ae637ff587ea25a68270120c3322"
= 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 = { 6bd830 8b04bd08a44300 f644032801 7444 837c0318ff 743d e8???????? }
$sequence_1 = { e8???????? 8bf0 83c408 85f6 0f8588010000 837df001 7203 }
$sequence_2 = { 7551 50 8d45b8 50 6a40 50 e8???????? }
$sequence_3 = { 8b5de8 c1c009 8bcb 03c6 f7d1 234de0 81c69979825a }
$sequence_4 = { 894dc4 33c6 c1c105 05d6c162ca c1ce02 0345c0 81c7d6c162ca }
$sequence_5 = { 0345c8 03c8 8b45fc 3345f4 3345f0 0345b4 0145f8 }
$sequence_6 = { 75ef 8d48fe 668b4102 8d4902 6685c0 75f4 a1???????? }
$sequence_7 = { 8b85f0fcffff 8d8df0fcffff 8945c0 8b85f4fcffff c745f440000000 8945e0 }
$sequence_8 = { 0bd3 8b5dfc 2355dc 03df 0bca 895de0 }
$sequence_9 = { c1e908 0fb6c9 0fb689487c4300 314d10 8b4d10 334dec 330d???????? }
condition:
7 of them and filesize < 505856
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 6bd830 8b04bd08a44300 f644032801 7444 837c0318ff 743d e8???????? } | |
| $sequence_1 | hex | { e8???????? 8bf0 83c408 85f6 0f8588010000 837df001 7203 } | |
| $sequence_2 | hex | { 7551 50 8d45b8 50 6a40 50 e8???????? } | |
| $sequence_3 | hex | { 8b5de8 c1c009 8bcb 03c6 f7d1 234de0 81c69979825a } | |
| $sequence_4 | hex | { 894dc4 33c6 c1c105 05d6c162ca c1ce02 0345c0 81c7d6c162ca } | |
| $sequence_5 | hex | { 0345c8 03c8 8b45fc 3345f4 3345f0 0345b4 0145f8 } | |
| $sequence_6 | hex | { 75ef 8d48fe 668b4102 8d4902 6685c0 75f4 a1???????? } | |
| $sequence_7 | hex | { 8b85f0fcffff 8d8df0fcffff 8945c0 8b85f4fcffff c745f440000000 8945e0 } | |
| $sequence_8 | hex | { 0bd3 8b5dfc 2355dc 03df 0bca 895de0 } | |
| $sequence_9 | hex | { c1e908 0fb6c9 0fb689487c4300 314d10 8b4d10 334dec 330d???????? } |
Condition
7 of them and filesize < 505856In plain words (Heuristic)
- The file must be smaller than 505856 (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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Drop a file here or click to chooseScanned locally with YARA-X. Files up to 200 MB.
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: 448d8eab-91d5-581e-9128-b8e92cc4c6d6
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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