YARA · Malpedia signator rules
MALPEDIA_Win_Knight_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: Knight.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-knight-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Knight_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "6ede2123-44fc-5e00-a980-aeb4686f20ac"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.knight"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.knight_auto.yar#L1-L134"
= "N/A"
= "fc999c598d533221ddbbccee6dda79ef9ba8acb6f15a3bba510a8479e781d600"
= 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 = { e8???????? 488d3d639e2f00 0f1f00 e8???????? e8???????? 48898424081f0000 48899c24d0020000 }
$sequence_1 = { 72b8 eb1b 31c0 488d5c241a b920000000 e8???????? 488b6c2468 }
$sequence_2 = { e8???????? 4889442428 48c70000000000 488d0514eb0d00 e8???????? 4889442420 488d0583961000 }
$sequence_3 = { eb14 488b442458 488b7c2428 488b5c2440 488b4c2430 488bb020100000 4c8b8028100000 }
$sequence_4 = { 90 ff82d8000000 498b5630 31c0 488d3590215800 bf01000000 f00fb13e }
$sequence_5 = { c681e400000000 b9ffffffff 488d1514da5200 f00fc10a ffc9 85c9 7c62 }
$sequence_6 = { eb1d 440fb64c3428 4129d1 418d51e9 88543c28 418d50e9 88543428 }
$sequence_7 = { eb10 4889c7 488b8c2490000000 e8???????? 488b4c2450 48894810 833d????????00 }
$sequence_8 = { e8???????? 31db 488d0d61312300 4889c7 31c0 488bac2448010000 4881c450010000 }
$sequence_9 = { e8???????? e8???????? 4889c3 488d05e17b2700 90 e8???????? 4c89d8 }
condition:
7 of them and filesize < 12149760
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { e8???????? 488d3d639e2f00 0f1f00 e8???????? e8???????? 48898424081f0000 48899c24d0020000 } | |
| $sequence_1 | hex | { 72b8 eb1b 31c0 488d5c241a b920000000 e8???????? 488b6c2468 } | |
| $sequence_2 | hex | { e8???????? 4889442428 48c70000000000 488d0514eb0d00 e8???????? 4889442420 488d0583961000 } | |
| $sequence_3 | hex | { eb14 488b442458 488b7c2428 488b5c2440 488b4c2430 488bb020100000 4c8b8028100000 } | |
| $sequence_4 | hex | { 90 ff82d8000000 498b5630 31c0 488d3590215800 bf01000000 f00fb13e } | |
| $sequence_5 | hex | { c681e400000000 b9ffffffff 488d1514da5200 f00fc10a ffc9 85c9 7c62 } | |
| $sequence_6 | hex | { eb1d 440fb64c3428 4129d1 418d51e9 88543c28 418d50e9 88543428 } | |
| $sequence_7 | hex | { eb10 4889c7 488b8c2490000000 e8???????? 488b4c2450 48894810 833d????????00 } | |
| $sequence_8 | hex | { e8???????? 31db 488d0d61312300 4889c7 31c0 488bac2448010000 4881c450010000 } | |
| $sequence_9 | hex | { e8???????? e8???????? 4889c3 488d05e17b2700 90 e8???????? 4c89d8 } |
Condition
7 of them and filesize < 12149760In plain words (Heuristic)
- The file must be smaller than 12149760 (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: 6ede2123-44fc-5e00-a980-aeb4686f20ac
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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