YARA · Malpedia signator rules
MALPEDIA_Win_Dented_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: Dented.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-dented-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Dented_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "6d9f3006-8589-5328-8333-f84c73aa8db5"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.dented"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.dented_auto.yar#L1-L118"
= "N/A"
= "d6b616a382cf89cb39c9d2b5b26a8a077346bf2509ae21f5aba3b547b7819f6d"
= 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 = { 68???????? bf08020000 8d85ecfbffff 57 }
$sequence_1 = { ff751c 8b742440 8b08 894d10 8b4004 83632000 }
$sequence_2 = { 898de4f7ffff 33f6 89bdecf7ffff 33c9 }
$sequence_3 = { 8b8de4f7ffff 56 c6041e00 e8???????? 8b4dfc 8b85e4f7ffff 33cd }
$sequence_4 = { 53 e8???????? 8b4c2444 83c418 33f6 8b10 89550c }
$sequence_5 = { ff15???????? 83a5e8fdffff00 53 33db 8985e0fdffff }
$sequence_6 = { e8???????? 59 8945ec 3818 7567 837f1410 }
$sequence_7 = { 8bd1 53 56 8b7508 f6423c02 }
$sequence_8 = { 8d4de0 885de0 895df0 897df4 }
$sequence_9 = { 8b00 2bc8 51 50 8d4de0 885de0 }
condition:
7 of them and filesize < 450560
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 68???????? bf08020000 8d85ecfbffff 57 } | |
| $sequence_1 | hex | { ff751c 8b742440 8b08 894d10 8b4004 83632000 } | |
| $sequence_2 | hex | { 898de4f7ffff 33f6 89bdecf7ffff 33c9 } | |
| $sequence_3 | hex | { 8b8de4f7ffff 56 c6041e00 e8???????? 8b4dfc 8b85e4f7ffff 33cd } | |
| $sequence_4 | hex | { 53 e8???????? 8b4c2444 83c418 33f6 8b10 89550c } | |
| $sequence_5 | hex | { ff15???????? 83a5e8fdffff00 53 33db 8985e0fdffff } | |
| $sequence_6 | hex | { e8???????? 59 8945ec 3818 7567 837f1410 } | |
| $sequence_7 | hex | { 8bd1 53 56 8b7508 f6423c02 } | |
| $sequence_8 | hex | { 8d4de0 885de0 895df0 897df4 } | |
| $sequence_9 | hex | { 8b00 2bc8 51 50 8d4de0 885de0 } |
Condition
7 of them and filesize < 450560In plain words (Heuristic)
- The file must be smaller than 450560 (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: 6d9f3006-8589-5328-8333-f84c73aa8db5
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
Related rules
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04