YARA · Malpedia signator rules
MALPEDIA_Win_Unidentified_078_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
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-unidentified-078-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Unidentified_078_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "94ed8b69-a925-581b-b675-e95110fbdcbe"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.unidentified_078"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.unidentified_078_auto.yar#L1-L119"
= "N/A"
= "b21070777561ec20c7e258b89cb634f08a3748193a432fdfe91aad038950c4de"
= 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 = { 0f8d28020000 80fa0a 0f8417010000 7f39 80fa08 }
$sequence_1 = { 80f95c 7504 b201 ebde 80f92f 74f7 }
$sequence_2 = { 80fa28 0f8d94010000 80fa26 0f8f18010000 80fa23 }
$sequence_3 = { 80fa5b 7f3c 80fa28 0f8d94010000 80fa26 0f8f18010000 }
$sequence_4 = { e9???????? 80fa0c 0f8412010000 0f8cee000000 80fa0d }
$sequence_5 = { 80fa26 0f8f18010000 80fa23 0f8d82010000 }
$sequence_6 = { 0f8d28020000 80fa0a 0f8417010000 7f39 }
$sequence_7 = { 84d2 89d6 0f883a020000 80fa21 0f8f8f000000 80fa20 0f8d28020000 }
$sequence_8 = { 0f8412010000 0f8cee000000 80fa0d 0f8421010000 80fa1b 0f8576010000 ba02000000 }
$sequence_9 = { 5b 5e e9???????? ebc0 ebbe ebbc }
condition:
7 of them and filesize < 688128
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 0f8d28020000 80fa0a 0f8417010000 7f39 80fa08 } | |
| $sequence_1 | hex | { 80f95c 7504 b201 ebde 80f92f 74f7 } | |
| $sequence_2 | hex | { 80fa28 0f8d94010000 80fa26 0f8f18010000 80fa23 } | |
| $sequence_3 | hex | { 80fa5b 7f3c 80fa28 0f8d94010000 80fa26 0f8f18010000 } | |
| $sequence_4 | hex | { e9???????? 80fa0c 0f8412010000 0f8cee000000 80fa0d } | |
| $sequence_5 | hex | { 80fa26 0f8f18010000 80fa23 0f8d82010000 } | |
| $sequence_6 | hex | { 0f8d28020000 80fa0a 0f8417010000 7f39 } | |
| $sequence_7 | hex | { 84d2 89d6 0f883a020000 80fa21 0f8f8f000000 80fa20 0f8d28020000 } | |
| $sequence_8 | hex | { 0f8412010000 0f8cee000000 80fa0d 0f8421010000 80fa1b 0f8576010000 ba02000000 } | |
| $sequence_9 | hex | { 5b 5e e9???????? ebc0 ebbe ebbc } |
Condition
7 of them and filesize < 688128In plain words (Heuristic)
- The file must be smaller than 688128 (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: 94ed8b69-a925-581b-b675-e95110fbdcbe
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