YARA · Malpedia signator rules
MALPEDIA_Win_Horus_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: Horus.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-horus-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Horus_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "d360dcae-88e3-56c3-ad49-d048a5d59f10"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.horus"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.horus_auto.yar#L1-L134"
= "N/A"
= "3391a294872b22675b06e19bbaf99f8ddf342a638d7246e9d740ef6d2b2068a6"
= 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 = { 48894c2448 8b85a8040000 3d2a750000 0f8435010000 3d36c20100 743c 3dcbf80100 }
$sequence_1 = { 8000d9 48ffc8 48ffc9 75f5 4883659f00 488d45f7 48894597 }
$sequence_2 = { 3bc0 0f854a010000 4533c9 c7442430d05b0000 8b442430 3dd05b0000 0f84c8000000 }
$sequence_3 = { ff15???????? 488bd8 4885c0 7453 c785100100000d800300 8b8510010000 3d124e0000 }
$sequence_4 = { 740b e8???????? 4533c0 488bd8 89b530030000 eb86 4439458c }
$sequence_5 = { 744d 4c8d4538 488d15718dffff 33c9 ffd0 488bcb 85c0 }
$sequence_6 = { 4c8d4520 488d1509a7ffff 33c9 ffd0 498bcf 85c0 480f494d28 }
$sequence_7 = { 4c89b508020000 44896c2420 8b442420 413bc5 7429 3d49bc0100 7441 }
$sequence_8 = { 742d 4c8d45f0 488d1580bbfdff 33c9 ffd0 488bd7 85c0 }
$sequence_9 = { 48894c2478 3d4b0e0000 74e1 eb05 488b4c2478 3d4d050200 750f }
condition:
7 of them and filesize < 887808
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 48894c2448 8b85a8040000 3d2a750000 0f8435010000 3d36c20100 743c 3dcbf80100 } | |
| $sequence_1 | hex | { 8000d9 48ffc8 48ffc9 75f5 4883659f00 488d45f7 48894597 } | |
| $sequence_2 | hex | { 3bc0 0f854a010000 4533c9 c7442430d05b0000 8b442430 3dd05b0000 0f84c8000000 } | |
| $sequence_3 | hex | { ff15???????? 488bd8 4885c0 7453 c785100100000d800300 8b8510010000 3d124e0000 } | |
| $sequence_4 | hex | { 740b e8???????? 4533c0 488bd8 89b530030000 eb86 4439458c } | |
| $sequence_5 | hex | { 744d 4c8d4538 488d15718dffff 33c9 ffd0 488bcb 85c0 } | |
| $sequence_6 | hex | { 4c8d4520 488d1509a7ffff 33c9 ffd0 498bcf 85c0 480f494d28 } | |
| $sequence_7 | hex | { 4c89b508020000 44896c2420 8b442420 413bc5 7429 3d49bc0100 7441 } | |
| $sequence_8 | hex | { 742d 4c8d45f0 488d1580bbfdff 33c9 ffd0 488bd7 85c0 } | |
| $sequence_9 | hex | { 48894c2478 3d4b0e0000 74e1 eb05 488b4c2478 3d4d050200 750f } |
Condition
7 of them and filesize < 887808In plain words (Heuristic)
- The file must be smaller than 887808 (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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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: d360dcae-88e3-56c3-ad49-d048a5d59f10
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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