YARA · Malpedia signator rules
MALPEDIA_Win_Pathloader_Auto
autogenerated rule brought to you by yara-signator
MalwarePathloaderMalpedia 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: Pathloader.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-pathloader-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Pathloader_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "1d6ea3d6-75e6-543d-af49-90acc1dad5eb"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.pathloader"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.pathloader_auto.yar#L1-L128"
= "N/A"
= "e8275a457d5a8c2740af5a98f9a61f097bbf8757b3b029afa0b2fadd2cd2878d"
= 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 = { ffd0 49898688000000 4885c0 0f8577030000 0f1005???????? 0f11442468 0fb705???????? }
$sequence_1 = { eb56 4883f810 7350 4883f910 724a 488b3b 4c8d4501 }
$sequence_2 = { 44887580 488d15a6bc0200 49c7c5ffffffff 4d8bc5 49ffc0 }
$sequence_3 = { 488d4827 483bc8 490f46cd e8???????? 4885c0 }
$sequence_4 = { 488bda 488bf9 48894de7 488955ef 4c8945f7 4533ed 44896db7 }
$sequence_5 = { ffd0 488bc8 4c8d45c8 488d45c0 41b940000000 488d55b0 }
$sequence_6 = { ffd3 eb00 e8???????? 90 cc 33c0 4c8d0deb4b0100 }
$sequence_7 = { 0f1f4000 660f1f840000000000 b809cb3d8d 4d8d4901 41f7e8 4103d0 c1fa05 }
$sequence_8 = { 7462 8b7e20 0f1f4000 0f1f840000000000 41ffca 418bda }
$sequence_9 = { 488bc8 e8???????? 66660f1f840000000000 498b8f90000000 488d55d4 41ff9718010000 85c0 }
condition:
7 of them and filesize < 464896
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { ffd0 49898688000000 4885c0 0f8577030000 0f1005???????? 0f11442468 0fb705???????? } | |
| $sequence_1 | hex | { eb56 4883f810 7350 4883f910 724a 488b3b 4c8d4501 } | |
| $sequence_2 | hex | { 44887580 488d15a6bc0200 49c7c5ffffffff 4d8bc5 49ffc0 } | |
| $sequence_3 | hex | { 488d4827 483bc8 490f46cd e8???????? 4885c0 } | |
| $sequence_4 | hex | { 488bda 488bf9 48894de7 488955ef 4c8945f7 4533ed 44896db7 } | |
| $sequence_5 | hex | { ffd0 488bc8 4c8d45c8 488d45c0 41b940000000 488d55b0 } | |
| $sequence_6 | hex | { ffd3 eb00 e8???????? 90 cc 33c0 4c8d0deb4b0100 } | |
| $sequence_7 | hex | { 0f1f4000 660f1f840000000000 b809cb3d8d 4d8d4901 41f7e8 4103d0 c1fa05 } | |
| $sequence_8 | hex | { 7462 8b7e20 0f1f4000 0f1f840000000000 41ffca 418bda } | |
| $sequence_9 | hex | { 488bc8 e8???????? 66660f1f840000000000 498b8f90000000 488d55d4 41ff9718010000 85c0 } |
Condition
7 of them and filesize < 464896In plain words (Heuristic)
- The file must be smaller than 464896 (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: 1d6ea3d6-75e6-543d-af49-90acc1dad5eb
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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