YARA · Malpedia signator rules
MALPEDIA_Win_Zumanek_Auto
autogenerated rule brought to you by yara-signator
MalwareZumanekMalpedia signator rulesCreative Commons Attribution-ShareAlike 4.0Compiles with YARA-X
- 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: Zumanek.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-zumanek-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Zumanek_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "87aee693-fd24-5045-ad68-bbf967fca577"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.zumanek"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.zumanek_auto.yar#L1-L127"
= "N/A"
= "692948458546aa7f1172f720f7a047815fbd39df276c694923c84a71f1135e40"
= 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 = { fc 81fe382e9330 97 e412 3dd16312c9 103f 0800 }
$sequence_1 = { 8802 98 811212242434 48 3c91 4a }
$sequence_2 = { 894612 4d 2454 48 5b 91 }
$sequence_3 = { 71ef 1a6f35 e30b 5d fc 77f2 f1 }
$sequence_4 = { 1dba45e22f 91 7c8b e459 0920 122424 }
$sequence_5 = { 386b95 4c 53 196a17 }
$sequence_6 = { 4a e8???????? 86b71986f742 06 58 4c 8812 }
$sequence_7 = { c101f6 53 32b879629b65 76a2 43 fc }
$sequence_8 = { d9c3 ab 5f c50f 9d 54 f233591b }
$sequence_9 = { 5a c59cd53a93a658 98 9f f5 6b80e7fa856bb2 55 }
condition:
7 of them and filesize < 58867712
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { fc 81fe382e9330 97 e412 3dd16312c9 103f 0800 } | |
| $sequence_1 | hex | { 8802 98 811212242434 48 3c91 4a } | |
| $sequence_2 | hex | { 894612 4d 2454 48 5b 91 } | |
| $sequence_3 | hex | { 71ef 1a6f35 e30b 5d fc 77f2 f1 } | |
| $sequence_4 | hex | { 1dba45e22f 91 7c8b e459 0920 122424 } | |
| $sequence_5 | hex | { 386b95 4c 53 196a17 } | |
| $sequence_6 | hex | { 4a e8???????? 86b71986f742 06 58 4c 8812 } | |
| $sequence_7 | hex | { c101f6 53 32b879629b65 76a2 43 fc } | |
| $sequence_8 | hex | { d9c3 ab 5f c50f 9d 54 f233591b } | |
| $sequence_9 | hex | { 5a c59cd53a93a658 98 9f f5 6b80e7fa856bb2 55 } |
Condition
7 of them and filesize < 58867712In plain words (Heuristic)
- The file must be smaller than 58867712 (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: 87aee693-fd24-5045-ad68-bbf967fca577
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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