YARA · Malpedia signator rules
MALPEDIA_Win_Pixynet_Loader_Auto
autogenerated rule brought to you by yara-signator
MalwarePixynet LoaderMalpedia 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: Pixynet Loader.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-pixynet-loader-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Pixynet_Loader_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "1c64e489-8422-5e96-b81c-abb48a680769"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.pixynet_loader"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.pixynet_loader_auto.yar#L1-L117"
= "N/A"
= "ddc6d79927cfc6257bfd40e5990ebfc62fb7e5f2795c7c38f2f5e8ab1db4a85b"
= 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 = { 4c8d0d14ea0700 4183e23f 4f8d04d2 498b04c1 }
$sequence_1 = { 488d15fcf90700 488b45d0 48c1e820 85c0 }
$sequence_2 = { 4883ec20 488d1deb570100 488d3de4570100 eb12 488b03 4885c0 7406 }
$sequence_3 = { 4c89642420 448bc6 498bd7 498bce ff15???????? }
$sequence_4 = { 488bd7 4c8d054ff50700 83e23f 488bcf 48c1f906 488d14d2 }
$sequence_5 = { ff15???????? 85db 0f94c0 488b5c2470 488b742478 4883c460 5f }
$sequence_6 = { 418bf0 4c8d0d37dc0000 8bda 4c8d0526dc0000 488bf9 }
$sequence_7 = { 84c9 752f 488d1d5b2e0800 488b0b 4885c9 }
$sequence_8 = { 488d4dc0 458d442447 33d2 0f1145c0 }
$sequence_9 = { ff15???????? 85c0 0f95c0 eb11 33d2 41b800800000 }
condition:
7 of them and filesize < 1183744
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 4c8d0d14ea0700 4183e23f 4f8d04d2 498b04c1 } | |
| $sequence_1 | hex | { 488d15fcf90700 488b45d0 48c1e820 85c0 } | |
| $sequence_2 | hex | { 4883ec20 488d1deb570100 488d3de4570100 eb12 488b03 4885c0 7406 } | |
| $sequence_3 | hex | { 4c89642420 448bc6 498bd7 498bce ff15???????? } | |
| $sequence_4 | hex | { 488bd7 4c8d054ff50700 83e23f 488bcf 48c1f906 488d14d2 } | |
| $sequence_5 | hex | { ff15???????? 85db 0f94c0 488b5c2470 488b742478 4883c460 5f } | |
| $sequence_6 | hex | { 418bf0 4c8d0d37dc0000 8bda 4c8d0526dc0000 488bf9 } | |
| $sequence_7 | hex | { 84c9 752f 488d1d5b2e0800 488b0b 4885c9 } | |
| $sequence_8 | hex | { 488d4dc0 458d442447 33d2 0f1145c0 } | |
| $sequence_9 | hex | { ff15???????? 85c0 0f95c0 eb11 33d2 41b800800000 } |
Condition
7 of them and filesize < 1183744In plain words (Heuristic)
- The file must be smaller than 1183744 (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: 1c64e489-8422-5e96-b81c-abb48a680769
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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