YARA · Malpedia signator rules
MALPEDIA_Win_Scarabey_Auto
autogenerated rule brought to you by yara-signator
MalwareScarabeyMalpedia 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: Scarabey.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-scarabey-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Scarabey_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "9c0b9a74-1a90-5260-a473-5d380455a6f2"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.scarabey"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.scarabey_auto.yar#L1-L125"
= "N/A"
= "db5d2af30b20f9b528b3db02b616eed9c133bd32d757d9755b55be4831b02809"
= 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 = { c786900d000054865300 8986940d0000 8986a00d0000 89869c0d0000 8986980d0000 }
$sequence_1 = { e8???????? 8d4de4 c745e4fc2f5300 e8???????? b805400080 e9???????? 8b8354ffffff }
$sequence_2 = { 50 83c2f8 52 56 51 ff15???????? }
$sequence_3 = { 2bfa 0fb715???????? 2bfa 01bdf0d6ffff 0fb6f8 2bbd14d7ffff 2bfb }
$sequence_4 = { 8b0485c0375800 8bfa 83e71f c1e706 8b0407 }
$sequence_5 = { 8d42fe 83f814 776c ff248510da4100 8b4114 eb67 8b4118 }
$sequence_6 = { c705????????68405100 c705????????1c405100 c705????????55405100 c705????????be3f5100 a3???????? c705????????ea485100 c705????????da3f5100 }
$sequence_7 = { e8???????? ff75d0 8bcb e8???????? 8d4dc8 c645fc00 c745c868025300 }
$sequence_8 = { 8bce e8???????? 834dfcff 8d8d3cffffff c7853cffffff74865300 e8???????? }
$sequence_9 = { 8d8df8fcffff c785f8fcffff90825300 e8???????? 83bd2cfdffff00 }
condition:
7 of them and filesize < 3580928
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { c786900d000054865300 8986940d0000 8986a00d0000 89869c0d0000 8986980d0000 } | |
| $sequence_1 | hex | { e8???????? 8d4de4 c745e4fc2f5300 e8???????? b805400080 e9???????? 8b8354ffffff } | |
| $sequence_2 | hex | { 50 83c2f8 52 56 51 ff15???????? } | |
| $sequence_3 | hex | { 2bfa 0fb715???????? 2bfa 01bdf0d6ffff 0fb6f8 2bbd14d7ffff 2bfb } | |
| $sequence_4 | hex | { 8b0485c0375800 8bfa 83e71f c1e706 8b0407 } | |
| $sequence_5 | hex | { 8d42fe 83f814 776c ff248510da4100 8b4114 eb67 8b4118 } | |
| $sequence_6 | hex | { c705????????68405100 c705????????1c405100 c705????????55405100 c705????????be3f5100 a3???????? c705????????ea485100 c705????????da3f5100 } | |
| $sequence_7 | hex | { e8???????? ff75d0 8bcb e8???????? 8d4dc8 c645fc00 c745c868025300 } | |
| $sequence_8 | hex | { 8bce e8???????? 834dfcff 8d8d3cffffff c7853cffffff74865300 e8???????? } | |
| $sequence_9 | hex | { 8d8df8fcffff c785f8fcffff90825300 e8???????? 83bd2cfdffff00 } |
Condition
7 of them and filesize < 3580928In plain words (Heuristic)
- The file must be smaller than 3580928 (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: 9c0b9a74-1a90-5260-a473-5d380455a6f2
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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