YARA · Malpedia signator rules
MALPEDIA_Win_Orchard_Auto
autogenerated rule brought to you by yara-signator
MalwareOrchardMalpedia 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: Orchard.
It defines 16 patterns (0 text, 16 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-orchard-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Orchard_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "7de940d5-584d-5aff-b2d4-7e170a44e5c9"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.orchard"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.orchard_auto.yar#L1-L155"
= "N/A"
= "8c12838db4bcb3ee6f62a3b1ff1db7a8af267b58c9ff94be80b506ff6195c762"
= 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 = { 83c028 895de0 8b5de8 894348 }
$sequence_1 = { 6a05 c70600000000 c7461000000000 c746140f000000 }
$sequence_2 = { 8d442410 50 ff15???????? 6685c0 }
$sequence_3 = { e8???????? 8b55e0 8b7de8 8955e0 8b02 }
$sequence_4 = { 83c404 e8???????? 99 b95b000000 }
$sequence_5 = { 8b75a8 46 56 e8???????? }
$sequence_6 = { 8bc6 89542420 f7e1 8bc8 8954240c }
$sequence_7 = { 56 ff15???????? ff15???????? 50 6a00 68ffff1f00 }
$sequence_8 = { 8945e0 c7437000000000 c7839000000000000000 c7839400000000000000 }
$sequence_9 = { f7f9 81c2d0070000 52 ffd6 }
$sequence_10 = { 6a0c 57 e8???????? 83c408 c645fc01 }
$sequence_11 = { 7214 8b49fc 83c223 2bc1 83c0fc 83f81f 0f877e030000 }
$sequence_12 = { 50 ff15???????? 83f805 7507 }
$sequence_13 = { c645fc08 e8???????? 894604 83c404 }
$sequence_14 = { 8bc8 8bc7 8d9d48ffffff c645fc03 }
$sequence_15 = { 8bc8 8bc7 8d5c2460 c68424a800000001 e8???????? }
condition:
7 of them and filesize < 4716352
}
Strings (16 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 83c028 895de0 8b5de8 894348 } | |
| $sequence_1 | hex | { 6a05 c70600000000 c7461000000000 c746140f000000 } | |
| $sequence_2 | hex | { 8d442410 50 ff15???????? 6685c0 } | |
| $sequence_3 | hex | { e8???????? 8b55e0 8b7de8 8955e0 8b02 } | |
| $sequence_4 | hex | { 83c404 e8???????? 99 b95b000000 } | |
| $sequence_5 | hex | { 8b75a8 46 56 e8???????? } | |
| $sequence_6 | hex | { 8bc6 89542420 f7e1 8bc8 8954240c } | |
| $sequence_7 | hex | { 56 ff15???????? ff15???????? 50 6a00 68ffff1f00 } | |
| $sequence_8 | hex | { 8945e0 c7437000000000 c7839000000000000000 c7839400000000000000 } | |
| $sequence_9 | hex | { f7f9 81c2d0070000 52 ffd6 } | |
| $sequence_10 | hex | { 6a0c 57 e8???????? 83c408 c645fc01 } | |
| $sequence_11 | hex | { 7214 8b49fc 83c223 2bc1 83c0fc 83f81f 0f877e030000 } | |
| $sequence_12 | hex | { 50 ff15???????? 83f805 7507 } | |
| $sequence_13 | hex | { c645fc08 e8???????? 894604 83c404 } | |
| $sequence_14 | hex | { 8bc8 8bc7 8d9d48ffffff c645fc03 } | |
| $sequence_15 | hex | { 8bc8 8bc7 8d5c2460 c68424a800000001 e8???????? } |
Condition
7 of them and filesize < 4716352In plain words (Heuristic)
- The file must be smaller than 4716352 (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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Drop a file here or click to chooseScanned locally with YARA-X. Files up to 200 MB.
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: 7de940d5-584d-5aff-b2d4-7e170a44e5c9
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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