YARA · Malpedia signator rules
MALPEDIA_Win_Scranos_Auto
autogenerated rule brought to you by yara-signator
MalwareScranosMalpedia 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: Scranos.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-scranos-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Scranos_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "ce7511d4-9f42-54c9-acac-77edbe055210"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.scranos"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.scranos_auto.yar#L1-L134"
= "N/A"
= "d1149f3696074172322e1c9b718c78bd06ed86bf6f6714e9a671da9ed742f38a"
= 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 = { 8b8f20030000 895004 8b9724030000 894808 8b4c242c 89500c 8b542430 }
$sequence_1 = { 8d44242c 50 56 e8???????? 83c40c 8bd8 e8???????? }
$sequence_2 = { f7d9 1bc9 83c101 884de3 837d1400 0f8451010000 c745dc00000000 }
$sequence_3 = { 8b8dbcfeffff 83c101 51 8b5510 52 8d45c0 50 }
$sequence_4 = { 8d4dd4 e8???????? 50 8b4d2c e8???????? 8d4dd8 e8???????? }
$sequence_5 = { ebce 0fb645ce 85c0 740f 8b4dec c6012e 8b55ec }
$sequence_6 = { 8b8350030000 85c0 89442414 7504 89742414 83bd180c000000 740e }
$sequence_7 = { 8b5508 66894a10 8b450c 50 8b4d08 51 e8???????? }
$sequence_8 = { 83c404 85c0 7544 68???????? 8d8d5cfdffff e8???????? 8985c8fcffff }
$sequence_9 = { eb54 bd???????? bf???????? eb09 bd???????? 8bdd 8bfd }
condition:
7 of them and filesize < 2859008
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 8b8f20030000 895004 8b9724030000 894808 8b4c242c 89500c 8b542430 } | |
| $sequence_1 | hex | { 8d44242c 50 56 e8???????? 83c40c 8bd8 e8???????? } | |
| $sequence_2 | hex | { f7d9 1bc9 83c101 884de3 837d1400 0f8451010000 c745dc00000000 } | |
| $sequence_3 | hex | { 8b8dbcfeffff 83c101 51 8b5510 52 8d45c0 50 } | |
| $sequence_4 | hex | { 8d4dd4 e8???????? 50 8b4d2c e8???????? 8d4dd8 e8???????? } | |
| $sequence_5 | hex | { ebce 0fb645ce 85c0 740f 8b4dec c6012e 8b55ec } | |
| $sequence_6 | hex | { 8b8350030000 85c0 89442414 7504 89742414 83bd180c000000 740e } | |
| $sequence_7 | hex | { 8b5508 66894a10 8b450c 50 8b4d08 51 e8???????? } | |
| $sequence_8 | hex | { 83c404 85c0 7544 68???????? 8d8d5cfdffff e8???????? 8985c8fcffff } | |
| $sequence_9 | hex | { eb54 bd???????? bf???????? eb09 bd???????? 8bdd 8bfd } |
Condition
7 of them and filesize < 2859008In plain words (Heuristic)
- The file must be smaller than 2859008 (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: ce7511d4-9f42-54c9-acac-77edbe055210
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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