YARA · Malpedia signator rules
MALPEDIA_Win_Andardoor_Auto
autogenerated rule brought to you by yara-signator
MalwareAndardoorMalpedia 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: Andardoor.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-andardoor-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Andardoor_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "845e4a64-842d-58c7-a556-efb320cb2bc4"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.andardoor"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.andardoor_auto.yar#L1-L122"
= "N/A"
= "6b29f91fc534de3abe1762f2b69d0c6222525dbfdf82151119c4f3f760d6ac87"
= 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 = { 85c0 7578 488d4588 4c896d88 }
$sequence_1 = { 740d ff15???????? 4c8935???????? 488b0d???????? 4883f9ff }
$sequence_2 = { 7e19 448bc3 488d55e0 488bce e8???????? 85c0 }
$sequence_3 = { c744242880000000 4533c0 ba00000040 c744242002000000 ff15???????? 488905???????? }
$sequence_4 = { 48897c2420 488bcb e8???????? 488d8580010000 4c8d8d90030000 4889442420 }
$sequence_5 = { c744245404010000 ff15???????? 488b0d???????? 4c8d81280a0000 }
$sequence_6 = { 488bf8 488bc8 e8???????? 458bcf 895c2428 4c8d442450 }
$sequence_7 = { 41b842000000 488bcf ff15???????? 488bf8 488d4ffe 90 6683790200 }
$sequence_8 = { 488b0d???????? ebb3 33d2 488d4d80 448d4268 e8???????? 33c0 }
$sequence_9 = { e8???????? 488bd8 4885c0 0f85f7feffff 33c0 4889442452 4883cbff }
condition:
7 of them and filesize < 339968
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 85c0 7578 488d4588 4c896d88 } | |
| $sequence_1 | hex | { 740d ff15???????? 4c8935???????? 488b0d???????? 4883f9ff } | |
| $sequence_2 | hex | { 7e19 448bc3 488d55e0 488bce e8???????? 85c0 } | |
| $sequence_3 | hex | { c744242880000000 4533c0 ba00000040 c744242002000000 ff15???????? 488905???????? } | |
| $sequence_4 | hex | { 48897c2420 488bcb e8???????? 488d8580010000 4c8d8d90030000 4889442420 } | |
| $sequence_5 | hex | { c744245404010000 ff15???????? 488b0d???????? 4c8d81280a0000 } | |
| $sequence_6 | hex | { 488bf8 488bc8 e8???????? 458bcf 895c2428 4c8d442450 } | |
| $sequence_7 | hex | { 41b842000000 488bcf ff15???????? 488bf8 488d4ffe 90 6683790200 } | |
| $sequence_8 | hex | { 488b0d???????? ebb3 33d2 488d4d80 448d4268 e8???????? 33c0 } | |
| $sequence_9 | hex | { e8???????? 488bd8 4885c0 0f85f7feffff 33c0 4889442452 4883cbff } |
Condition
7 of them and filesize < 339968In plain words (Heuristic)
- The file must be smaller than 339968 (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: 845e4a64-842d-58c7-a556-efb320cb2bc4
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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