YARA · Malpedia signator rules
MALPEDIA_Win_Hodur_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: Hodur.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-hodur-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Hodur_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "e3722ba4-9330-5acf-a001-36d58f674969"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.hodur"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.hodur_auto.yar#L1-L133"
= "N/A"
= "3004265ec10071e206b1f9b36449d098d336382ccfd9415098927b3da32456f7"
= 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 = { f30f7f03 66c743101b3e 884312 7c12 a1???????? 8d48ff 0fafc8 }
$sequence_1 = { e8???????? 6a64 ffd0 e9???????? 83feff 0f848c010000 895de4 }
$sequence_2 = { c78540ffffff00000000 898588fdffff 83bd40ffffff0c 0f8338000000 8b8540ffffff 8b8d88fdffff 0fbe0401 }
$sequence_3 = { e9???????? 6a3a ff75f0 e8???????? 83c408 833d????????0a 7c20 }
$sequence_4 = { 0fafd0 83e201 7402 ebfe e8???????? 6a00 ff7604 }
$sequence_5 = { c64424325a ebb2 833d????????0a c644243300 7c12 a1???????? 8d48ff }
$sequence_6 = { c644245400 c74424506c202530 c744244c0d0a6465 ff742460 ff742468 8d84245c090000 50 }
$sequence_7 = { e8???????? 57 ffd0 8b15???????? 8d4aff 0fafca }
$sequence_8 = { c74750ee00dd00 c74754d000f600 c74758ea008500 66899fb6000000 7c12 a1???????? 8d48ff }
$sequence_9 = { 8b7e18 57 e8???????? 83c40c 0f2805???????? b8ecffffff 0f1103 }
condition:
7 of them and filesize < 1067008
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { f30f7f03 66c743101b3e 884312 7c12 a1???????? 8d48ff 0fafc8 } | |
| $sequence_1 | hex | { e8???????? 6a64 ffd0 e9???????? 83feff 0f848c010000 895de4 } | |
| $sequence_2 | hex | { c78540ffffff00000000 898588fdffff 83bd40ffffff0c 0f8338000000 8b8540ffffff 8b8d88fdffff 0fbe0401 } | |
| $sequence_3 | hex | { e9???????? 6a3a ff75f0 e8???????? 83c408 833d????????0a 7c20 } | |
| $sequence_4 | hex | { 0fafd0 83e201 7402 ebfe e8???????? 6a00 ff7604 } | |
| $sequence_5 | hex | { c64424325a ebb2 833d????????0a c644243300 7c12 a1???????? 8d48ff } | |
| $sequence_6 | hex | { c644245400 c74424506c202530 c744244c0d0a6465 ff742460 ff742468 8d84245c090000 50 } | |
| $sequence_7 | hex | { e8???????? 57 ffd0 8b15???????? 8d4aff 0fafca } | |
| $sequence_8 | hex | { c74750ee00dd00 c74754d000f600 c74758ea008500 66899fb6000000 7c12 a1???????? 8d48ff } | |
| $sequence_9 | hex | { 8b7e18 57 e8???????? 83c40c 0f2805???????? b8ecffffff 0f1103 } |
Condition
7 of them and filesize < 1067008In plain words (Heuristic)
- The file must be smaller than 1067008 (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: e3722ba4-9330-5acf-a001-36d58f674969
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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