YARA · Malpedia signator rules
MALPEDIA_Win_Zardoor_Auto
autogenerated rule brought to you by yara-signator
MalwareZardoorMalpedia 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: Zardoor.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-zardoor-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Zardoor_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "1e92978b-4a0b-544e-8ff4-2c32e212f8b1"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.zardoor"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.zardoor_auto.yar#L1-L134"
= "N/A"
= "e7b04bc720af6c18148a76af65f5a9bdd071392f16a184f59447036aba92cea0"
= 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 = { eb13 4489542450 eb0c 448954244c eb05 4489542448 448b542428 }
$sequence_1 = { 741e 4533c0 4c8d4c2438 418d5025 e8???????? 83cbff 83f801 }
$sequence_2 = { e8???????? 48894348 4885c0 7542 4c8d0db6bf0c00 c744242055000000 baf5000000 }
$sequence_3 = { e8???????? 488b4c2448 e8???????? 4c8b6c2458 488bc7 4c8b642460 488b6c2468 }
$sequence_4 = { e8???????? 85c0 0f8e95010000 4c8d053f710e00 488bcb 488d15e3150b00 e8???????? }
$sequence_5 = { 660f73d908 66490f7ec9 4983f902 0f824b010000 4c8b442460 4983e902 410fb64001 }
$sequence_6 = { 8b842490000000 488b742478 41396d38 0f8501010000 85c0 0f84f9000000 488b8c2480000000 }
$sequence_7 = { 7709 493bd1 0f83a2000000 483bd9 7709 493bd3 0f8394000000 }
$sequence_8 = { e8???????? 85c0 0f9fc3 e9???????? 4c8d0d361c1100 448bc6 488bcd }
$sequence_9 = { e8???????? 4c8bc7 488d15649e1000 b902000000 e8???????? 83c8ff e9???????? }
condition:
7 of them and filesize < 4376576
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { eb13 4489542450 eb0c 448954244c eb05 4489542448 448b542428 } | |
| $sequence_1 | hex | { 741e 4533c0 4c8d4c2438 418d5025 e8???????? 83cbff 83f801 } | |
| $sequence_2 | hex | { e8???????? 48894348 4885c0 7542 4c8d0db6bf0c00 c744242055000000 baf5000000 } | |
| $sequence_3 | hex | { e8???????? 488b4c2448 e8???????? 4c8b6c2458 488bc7 4c8b642460 488b6c2468 } | |
| $sequence_4 | hex | { e8???????? 85c0 0f8e95010000 4c8d053f710e00 488bcb 488d15e3150b00 e8???????? } | |
| $sequence_5 | hex | { 660f73d908 66490f7ec9 4983f902 0f824b010000 4c8b442460 4983e902 410fb64001 } | |
| $sequence_6 | hex | { 8b842490000000 488b742478 41396d38 0f8501010000 85c0 0f84f9000000 488b8c2480000000 } | |
| $sequence_7 | hex | { 7709 493bd1 0f83a2000000 483bd9 7709 493bd3 0f8394000000 } | |
| $sequence_8 | hex | { e8???????? 85c0 0f9fc3 e9???????? 4c8d0d361c1100 448bc6 488bcd } | |
| $sequence_9 | hex | { e8???????? 4c8bc7 488d15649e1000 b902000000 e8???????? 83c8ff e9???????? } |
Condition
7 of them and filesize < 4376576In plain words (Heuristic)
- The file must be smaller than 4376576 (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: 1e92978b-4a0b-544e-8ff4-2c32e212f8b1
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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