YARA · Malpedia signator rules
MALPEDIA_Win_Zedhou_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: Zedhou.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-zedhou-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Zedhou_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "474209b9-d13c-5152-a50c-a3cfbe542c30"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.zedhou"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.zedhou_auto.yar#L1-L132"
= "N/A"
= "eeb067af065a3a11e2e1b534245e471ed519784bc79fd30ede53369628c3f72c"
= 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 = { 3d8bb296b1 0f84f1380000 3d10ed51cf 75db 813d????????10ed51cf 0f8514390000 b910000000 }
$sequence_1 = { b86c261822 50 ff15???????? 8d5c0002 8d8d74ffffff 53 e8???????? }
$sequence_2 = { 0f8516010000 8b460c 8b3d???????? 8b04c5fc201822 ff7020 8d8574feffff 50 }
$sequence_3 = { 56 8bf1 57 8b7d08 8b4630 3b4634 7509 }
$sequence_4 = { 51 ff15???????? 8985c4fdffff eb0a c785c4fdffff00000000 8b55a4 52 }
$sequence_5 = { ff75fc 8bce e8???????? 837d0800 75d3 }
$sequence_6 = { 66c78570feffff0500 66c78574feffff0100 66c745a80100 eb15 668b4da8 66038d74feffff 0f80f9290000 }
$sequence_7 = { c70618401722 ff15???????? 8bc6 5e c20800 a1???????? 56 }
$sequence_8 = { ff15???????? 8d4d94 51 8d5598 52 8d45a0 50 }
$sequence_9 = { ff15???????? 8bd0 8d4d98 ff15???????? 8bd0 8b4d08 83c158 }
condition:
7 of them and filesize < 499712
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 3d8bb296b1 0f84f1380000 3d10ed51cf 75db 813d????????10ed51cf 0f8514390000 b910000000 } | |
| $sequence_1 | hex | { b86c261822 50 ff15???????? 8d5c0002 8d8d74ffffff 53 e8???????? } | |
| $sequence_2 | hex | { 0f8516010000 8b460c 8b3d???????? 8b04c5fc201822 ff7020 8d8574feffff 50 } | |
| $sequence_3 | hex | { 56 8bf1 57 8b7d08 8b4630 3b4634 7509 } | |
| $sequence_4 | hex | { 51 ff15???????? 8985c4fdffff eb0a c785c4fdffff00000000 8b55a4 52 } | |
| $sequence_5 | hex | { ff75fc 8bce e8???????? 837d0800 75d3 } | |
| $sequence_6 | hex | { 66c78570feffff0500 66c78574feffff0100 66c745a80100 eb15 668b4da8 66038d74feffff 0f80f9290000 } | |
| $sequence_7 | hex | { c70618401722 ff15???????? 8bc6 5e c20800 a1???????? 56 } | |
| $sequence_8 | hex | { ff15???????? 8d4d94 51 8d5598 52 8d45a0 50 } | |
| $sequence_9 | hex | { ff15???????? 8bd0 8d4d98 ff15???????? 8bd0 8b4d08 83c158 } |
Condition
7 of them and filesize < 499712In plain words (Heuristic)
- The file must be smaller than 499712 (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: 474209b9-d13c-5152-a50c-a3cfbe542c30
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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