YARA · Malpedia signator rules
MALPEDIA_Win_Sysget_Auto
autogenerated rule brought to you by yara-signator
- 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: Sysget.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-sysget-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Sysget_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "a846d722-cc47-53de-a316-73685751a6e5"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.sysget"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.sysget_auto.yar#L1-L124"
= "N/A"
= "087e1989b67f1382444fa064da44e53abfc8c8d2760af691374044fd34024cca"
= 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 = { 7415 8d8decfdffff 03da 668901 0fb703 03ca 83f80a }
$sequence_1 = { 50 ff35???????? ff15???????? 85c0 0f8487000000 8b06 0385f4fbffff }
$sequence_2 = { 8325????????00 5e c3 55 8bec 83ec34 a1???????? }
$sequence_3 = { a5 a5 a5 a5 6a08 66a5 58 }
$sequence_4 = { e8???????? 33c0 8d7df4 ab 33f6 }
$sequence_5 = { 8d85ecf1ffff 83e103 50 f3a4 }
$sequence_6 = { 59 8bc8 85d2 7407 c60100 }
$sequence_7 = { 50 899dccf9ffff 899dd0f9ffff e8???????? 8b85d0f9ffff 83c032 50 }
$sequence_8 = { 66a5 e8???????? 59 85c0 }
$sequence_9 = { 56 57 ff15???????? 57 e8???????? 59 5f }
condition:
7 of them and filesize < 352256
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 7415 8d8decfdffff 03da 668901 0fb703 03ca 83f80a } | |
| $sequence_1 | hex | { 50 ff35???????? ff15???????? 85c0 0f8487000000 8b06 0385f4fbffff } | |
| $sequence_2 | hex | { 8325????????00 5e c3 55 8bec 83ec34 a1???????? } | |
| $sequence_3 | hex | { a5 a5 a5 a5 6a08 66a5 58 } | |
| $sequence_4 | hex | { e8???????? 33c0 8d7df4 ab 33f6 } | |
| $sequence_5 | hex | { 8d85ecf1ffff 83e103 50 f3a4 } | |
| $sequence_6 | hex | { 59 8bc8 85d2 7407 c60100 } | |
| $sequence_7 | hex | { 50 899dccf9ffff 899dd0f9ffff e8???????? 8b85d0f9ffff 83c032 50 } | |
| $sequence_8 | hex | { 66a5 e8???????? 59 85c0 } | |
| $sequence_9 | hex | { 56 57 ff15???????? 57 e8???????? 59 5f } |
Condition
7 of them and filesize < 352256In plain words (Heuristic)
- The file must be smaller than 352256 (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: a846d722-cc47-53de-a316-73685751a6e5
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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