YARA · Malpedia signator rules
MALPEDIA_Win_Snappy_Client_Auto
autogenerated rule brought to you by yara-signator
MalwareSnappy ClientMalpedia 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: Snappy Client.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-snappy-client-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Snappy_Client_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "83f27e97-2259-59df-9f1e-70ff961a2f9a"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.snappy_client"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.snappy_client_auto.yar#L1-L134"
= "N/A"
= "b2c5bb56f240c76bee33ebf3792ebf1b230895a24c38b64edc4f476901ebc8c5"
= 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 = { eb12 8d4608 8bcb 50 8d442414 50 e8???????? }
$sequence_1 = { ff762c 894df8 ff15???????? 8bc8 83c408 85c9 751c }
$sequence_2 = { eb06 ff75e0 ff7624 8b4e08 e8???????? 8b4e08 8b01 }
$sequence_3 = { ff7514 8bf1 ff7510 8975fc e8???????? ff7508 83a6a800000000 }
$sequence_4 = { ebf8 55 8bec 51 8365fc00 56 8b7508 }
$sequence_5 = { e9???????? 8d8d10ffffff e9???????? 8d4dcc e9???????? 8d8d00ffffff e9???????? }
$sequence_6 = { ff15???????? 85c0 7428 8b9f84000000 8bb780000000 eb16 837e0803 }
$sequence_7 = { ff7110 e8???????? 83c410 5d c20400 8d412c c6410d00 }
$sequence_8 = { ff750c 895dd4 03fb 8bcf 897de0 8d4738 8945d8 }
$sequence_9 = { ff15???????? 50 ff15???????? a3???????? c605????????00 57 8b7d18 }
condition:
7 of them and filesize < 7315456
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { eb12 8d4608 8bcb 50 8d442414 50 e8???????? } | |
| $sequence_1 | hex | { ff762c 894df8 ff15???????? 8bc8 83c408 85c9 751c } | |
| $sequence_2 | hex | { eb06 ff75e0 ff7624 8b4e08 e8???????? 8b4e08 8b01 } | |
| $sequence_3 | hex | { ff7514 8bf1 ff7510 8975fc e8???????? ff7508 83a6a800000000 } | |
| $sequence_4 | hex | { ebf8 55 8bec 51 8365fc00 56 8b7508 } | |
| $sequence_5 | hex | { e9???????? 8d8d10ffffff e9???????? 8d4dcc e9???????? 8d8d00ffffff e9???????? } | |
| $sequence_6 | hex | { ff15???????? 85c0 7428 8b9f84000000 8bb780000000 eb16 837e0803 } | |
| $sequence_7 | hex | { ff7110 e8???????? 83c410 5d c20400 8d412c c6410d00 } | |
| $sequence_8 | hex | { ff750c 895dd4 03fb 8bcf 897de0 8d4738 8945d8 } | |
| $sequence_9 | hex | { ff15???????? 50 ff15???????? a3???????? c605????????00 57 8b7d18 } |
Condition
7 of them and filesize < 7315456In plain words (Heuristic)
- The file must be smaller than 7315456 (a cheap guard that skips large files).
- At least 7 patterns in the rule must match.
Test this rule in your browser
Drop a file to scan it with this rule using YARA-X compiled to WebAssembly. Nothing is uploaded.
Drop a file here or click to chooseScanned locally with YARA-X. Files up to 200 MB.
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: 83f27e97-2259-59df-9f1e-70ff961a2f9a
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
Related rules
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04