YARA · Malpedia signator rules
MALPEDIA_Win_Sync_Scheduler_Auto
autogenerated rule brought to you by yara-signator
MalwareSync SchedulerMalpedia 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: Sync Scheduler.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-sync-scheduler-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Sync_Scheduler_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "95610e1b-5db4-50de-ac44-e5e2c59c0bb8"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.sync_scheduler"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.sync_scheduler_auto.yar#L1-L119"
= "N/A"
= "bcac8eebb558ac10a1437f8e96772342840ecc807b424b4bd7b054cc8b3bdd2d"
= 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 = { 488d4808 0f1102 ff15???????? 488d05dfa30000 488903 }
$sequence_1 = { 48c7c7ffffffff 4d8b6f10 0f1f840000000000 48ffc7 6641391478 75f6 }
$sequence_2 = { e8???????? 83cf02 897df7 488d55ff }
$sequence_3 = { 488d542424 498bc9 e8???????? 0f1000 0f1185e0010000 0f104810 }
$sequence_4 = { 4885c0 7431 4883c027 4883e0e0 488948f8 eb39 483bf1 }
$sequence_5 = { 488d05216a0000 4889843a58ffffff 488b01 48634804 }
$sequence_6 = { c645ab55 c645ac54 c645ad57 c645ae56 c645af51 c645b050 }
$sequence_7 = { 48c705????????00000000 b9e0010000 e8???????? 488bf8 488905???????? 488905???????? }
$sequence_8 = { eb1d ff15???????? cc 488bd6 e8???????? 4d89241e 4d89641e08 }
$sequence_9 = { 0408 3464 8844244c 8b442440 }
condition:
7 of them and filesize < 156672
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 488d4808 0f1102 ff15???????? 488d05dfa30000 488903 } | |
| $sequence_1 | hex | { 48c7c7ffffffff 4d8b6f10 0f1f840000000000 48ffc7 6641391478 75f6 } | |
| $sequence_2 | hex | { e8???????? 83cf02 897df7 488d55ff } | |
| $sequence_3 | hex | { 488d542424 498bc9 e8???????? 0f1000 0f1185e0010000 0f104810 } | |
| $sequence_4 | hex | { 4885c0 7431 4883c027 4883e0e0 488948f8 eb39 483bf1 } | |
| $sequence_5 | hex | { 488d05216a0000 4889843a58ffffff 488b01 48634804 } | |
| $sequence_6 | hex | { c645ab55 c645ac54 c645ad57 c645ae56 c645af51 c645b050 } | |
| $sequence_7 | hex | { 48c705????????00000000 b9e0010000 e8???????? 488bf8 488905???????? 488905???????? } | |
| $sequence_8 | hex | { eb1d ff15???????? cc 488bd6 e8???????? 4d89241e 4d89641e08 } | |
| $sequence_9 | hex | { 0408 3464 8844244c 8b442440 } |
Condition
7 of them and filesize < 156672In plain words (Heuristic)
- The file must be smaller than 156672 (a cheap guard that skips large files).
- At least 7 patterns in the rule must match.
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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: 95610e1b-5db4-50de-ac44-e5e2c59c0bb8
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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