YARA · Malpedia signator rules
MALPEDIA_Win_Onliner_Auto
autogenerated rule brought to you by yara-signator
MalwareOnlinerMalpedia 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: Onliner.
It defines 8 patterns (0 text, 8 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-onliner-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Onliner_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "fa3dd8d7-a5cc-58f8-ae0d-e850fb7db769"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.onliner"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.onliner_auto.yar#L1-L90"
= "N/A"
= "597deb9e2d0b7df5d7ff676ac825978c222dfe4f2de499345b8b00fb5671cd6a"
= 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 = { 000c4b 41 001e 4b }
$sequence_1 = { 001c87 42 002483 42 }
$sequence_2 = { 0003 9a4100539a4100 879a4100d19a 41 }
$sequence_3 = { 001c83 42 00a887420014 834200bc }
$sequence_4 = { 001c99 41 004999 41 }
$sequence_5 = { 0008 874200 fc 8242003c }
$sequence_6 = { 0004054100d005 41 00d0 0541001505 }
$sequence_7 = { 0000 55 8bec 83c4f0 }
condition:
7 of them and filesize < 1736704
}
Strings (8 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 000c4b 41 001e 4b } | |
| $sequence_1 | hex | { 001c87 42 002483 42 } | |
| $sequence_2 | hex | { 0003 9a4100539a4100 879a4100d19a 41 } | |
| $sequence_3 | hex | { 001c83 42 00a887420014 834200bc } | |
| $sequence_4 | hex | { 001c99 41 004999 41 } | |
| $sequence_5 | hex | { 0008 874200 fc 8242003c } | |
| $sequence_6 | hex | { 0004054100d005 41 00d0 0541001505 } | |
| $sequence_7 | hex | { 0000 55 8bec 83c4f0 } |
Condition
7 of them and filesize < 1736704In plain words (Heuristic)
- The file must be smaller than 1736704 (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: fa3dd8d7-a5cc-58f8-ae0d-e850fb7db769
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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