YARA · Malpedia signator rules
MALPEDIA_Win_Lightrail_Auto
autogenerated rule brought to you by yara-signator
MalwareLightrailMalpedia 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: Lightrail.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-lightrail-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Lightrail_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "bcb972fc-d4d9-50e7-a411-1ba49dcd371d"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.lightrail"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.lightrail_auto.yar#L1-L120"
= "N/A"
= "2b7d0cedd7faf52083a053dc13ae9bdd61b8c00beb9c92929c73ab7dd8832260"
= 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 = { 4883ec20 488bd9 4c8d0dc8af0000 33c9 4c8d05b7af0000 488d15b8af0000 e8???????? }
$sequence_1 = { 0f85b5000000 b931ad0231 e8???????? 4885c0 }
$sequence_2 = { 488bce ff9398020000 8bc7 488b4d50 4833cc }
$sequence_3 = { 4889442430 4533d2 4c8d1de3ef0000 4d85c9 488d3d3b2f0000 488bc2 4c8bfa }
$sequence_4 = { 0f87cf000000 8b8c86b89a0000 4803ce ffe1 660f73f901 660f73d901 e9???????? }
$sequence_5 = { c74424647a006900 4533c9 4889442450 4533c0 }
$sequence_6 = { 488bcd ff9770020000 85c0 7f23 488b13 488bcf }
$sequence_7 = { 8d42ff 41894008 4963c1 498bca 4d899cc018030000 4d899cc0e80a0000 }
$sequence_8 = { b906000000 4c8d05d77d0000 e8???????? 488bd3 }
$sequence_9 = { 488bd7 4c8d0533e10000 83e23f 488bcf 48c1f906 488d14d2 }
condition:
7 of them and filesize < 249856
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 4883ec20 488bd9 4c8d0dc8af0000 33c9 4c8d05b7af0000 488d15b8af0000 e8???????? } | |
| $sequence_1 | hex | { 0f85b5000000 b931ad0231 e8???????? 4885c0 } | |
| $sequence_2 | hex | { 488bce ff9398020000 8bc7 488b4d50 4833cc } | |
| $sequence_3 | hex | { 4889442430 4533d2 4c8d1de3ef0000 4d85c9 488d3d3b2f0000 488bc2 4c8bfa } | |
| $sequence_4 | hex | { 0f87cf000000 8b8c86b89a0000 4803ce ffe1 660f73f901 660f73d901 e9???????? } | |
| $sequence_5 | hex | { c74424647a006900 4533c9 4889442450 4533c0 } | |
| $sequence_6 | hex | { 488bcd ff9770020000 85c0 7f23 488b13 488bcf } | |
| $sequence_7 | hex | { 8d42ff 41894008 4963c1 498bca 4d899cc018030000 4d899cc0e80a0000 } | |
| $sequence_8 | hex | { b906000000 4c8d05d77d0000 e8???????? 488bd3 } | |
| $sequence_9 | hex | { 488bd7 4c8d0533e10000 83e23f 488bcf 48c1f906 488d14d2 } |
Condition
7 of them and filesize < 249856In plain words (Heuristic)
- The file must be smaller than 249856 (a cheap guard that skips large files).
- At least 7 patterns in the rule must match.
Test this rule in your browser
Drop a file to scan it with this rule using YARA-X compiled to WebAssembly. Nothing is uploaded.
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: bcb972fc-d4d9-50e7-a411-1ba49dcd371d
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
Related rules
- Hack toolSEKOIA.IO Community· Sekoia.io· 2024-02-29
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04