YARA · Malpedia signator rules
MALPEDIA_Win_Longwatch_Auto
autogenerated rule brought to you by yara-signator
MalwareLongwatchMalpedia 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: Longwatch.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-longwatch-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Longwatch_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "ce0e9c11-46ca-5532-8823-1deb885f5c74"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.longwatch"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.longwatch_auto.yar#L1-L118"
= "N/A"
= "9dae6296ff953841361d58c7b1fa7eff6214a00cb7112d7c5966dd21deae5ffb"
= 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 = { 83fb12 741e 83fb03 7419 }
$sequence_1 = { 8b4004 c74410e8a0bb4200 8b42e8 8b4804 8d41e8 894411e4 }
$sequence_2 = { 750b 8b0d???????? e8???????? e8???????? 83ec18 }
$sequence_3 = { 8d8d48ffffff 68???????? e8???????? 85c0 8d8d30ffffff 8b8530ffffff }
$sequence_4 = { 33f6 3bc8 740c 8b0cb5f8344200 46 }
$sequence_5 = { e8???????? 83ec14 c645fc02 8bcc 8bd0 51 }
$sequence_6 = { c705????????01000000 c705????????01000000 6a04 58 6bc000 8b4d08 898894004300 }
$sequence_7 = { eb0f 8ad3 8d8d40ffffff e8???????? 8ad3 }
$sequence_8 = { 1bc0 83c801 85c0 745b e8???????? }
$sequence_9 = { 8d8d48ffffff c78548ffffffdc334200 e8???????? 83ec08 c745fc02000000 }
condition:
7 of them and filesize < 647168
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 83fb12 741e 83fb03 7419 } | |
| $sequence_1 | hex | { 8b4004 c74410e8a0bb4200 8b42e8 8b4804 8d41e8 894411e4 } | |
| $sequence_2 | hex | { 750b 8b0d???????? e8???????? e8???????? 83ec18 } | |
| $sequence_3 | hex | { 8d8d48ffffff 68???????? e8???????? 85c0 8d8d30ffffff 8b8530ffffff } | |
| $sequence_4 | hex | { 33f6 3bc8 740c 8b0cb5f8344200 46 } | |
| $sequence_5 | hex | { e8???????? 83ec14 c645fc02 8bcc 8bd0 51 } | |
| $sequence_6 | hex | { c705????????01000000 c705????????01000000 6a04 58 6bc000 8b4d08 898894004300 } | |
| $sequence_7 | hex | { eb0f 8ad3 8d8d40ffffff e8???????? 8ad3 } | |
| $sequence_8 | hex | { 1bc0 83c801 85c0 745b e8???????? } | |
| $sequence_9 | hex | { 8d8d48ffffff c78548ffffffdc334200 e8???????? 83ec08 c745fc02000000 } |
Condition
7 of them and filesize < 647168In plain words (Heuristic)
- The file must be smaller than 647168 (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: ce0e9c11-46ca-5532-8823-1deb885f5c74
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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