YARA · Malpedia signator rules
MALPEDIA_Win_Darkvnc_Auto
autogenerated rule brought to you by yara-signator
MalwareDarkvncMalpedia 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: Darkvnc.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-darkvnc-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Darkvnc_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "dd5a26ee-a38d-520d-9cfd-328c8968b573"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.darkvnc"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.darkvnc_auto.yar#L1-L134"
= "N/A"
= "bc5d5b75d56591d898c2949895d9a98b84444bd3d5a21ec3176ba22b58571023"
= 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 = { 488bd9 e8???????? 83f806 7714 e8???????? 83f806 753f }
$sequence_1 = { e8???????? 493bf5 72d9 4489b42490000000 448bb424b0000000 49638778540000 41bb01000000 }
$sequence_2 = { 7437 488b4320 488d4b30 48894340 ba02000000 8b4328 2b4320 }
$sequence_3 = { 488b4008 4889442430 488b442430 488b4c2428 488908 488b442428 488b4c2430 }
$sequence_4 = { 48ff4308 4883fa02 7ce9 4883c420 5b c3 48895c2408 }
$sequence_5 = { 4157 488bec 4883ec50 33ff 488d5548 488bf1 48897d50 }
$sequence_6 = { 8bc1 4123c4 c1e908 0bd8 4123cc 0fb64707 c1e308 }
$sequence_7 = { ff15???????? 488b0d???????? 4c8bc6 33d2 ff15???????? 4c8d9c24a0000000 33c0 }
$sequence_8 = { 448bc6 33d2 498bcc ff15???????? 85c0 7438 4885ed }
$sequence_9 = { 418bf3 899424c0000000 448bc1 83f811 7d41 488d0d6bc00100 8b4481fc }
condition:
7 of them and filesize < 606208
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 488bd9 e8???????? 83f806 7714 e8???????? 83f806 753f } | |
| $sequence_1 | hex | { e8???????? 493bf5 72d9 4489b42490000000 448bb424b0000000 49638778540000 41bb01000000 } | |
| $sequence_2 | hex | { 7437 488b4320 488d4b30 48894340 ba02000000 8b4328 2b4320 } | |
| $sequence_3 | hex | { 488b4008 4889442430 488b442430 488b4c2428 488908 488b442428 488b4c2430 } | |
| $sequence_4 | hex | { 48ff4308 4883fa02 7ce9 4883c420 5b c3 48895c2408 } | |
| $sequence_5 | hex | { 4157 488bec 4883ec50 33ff 488d5548 488bf1 48897d50 } | |
| $sequence_6 | hex | { 8bc1 4123c4 c1e908 0bd8 4123cc 0fb64707 c1e308 } | |
| $sequence_7 | hex | { ff15???????? 488b0d???????? 4c8bc6 33d2 ff15???????? 4c8d9c24a0000000 33c0 } | |
| $sequence_8 | hex | { 448bc6 33d2 498bcc ff15???????? 85c0 7438 4885ed } | |
| $sequence_9 | hex | { 418bf3 899424c0000000 448bc1 83f811 7d41 488d0d6bc00100 8b4481fc } |
Condition
7 of them and filesize < 606208In plain words (Heuristic)
- The file must be smaller than 606208 (a cheap guard that skips large files).
- At least 7 patterns in the rule must match.
Test this rule in your browser
Drop a file to scan it with this rule using YARA-X compiled to WebAssembly. Nothing is uploaded.
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: dd5a26ee-a38d-520d-9cfd-328c8968b573
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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