YARA · Malpedia signator rules
MALPEDIA_Win_Racket_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: Racket.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-racket-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Racket_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "8027e9a0-57db-5545-b6f4-a197594f5a36"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.racket"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.racket_auto.yar#L1-L128"
= "N/A"
= "ceb3c93810c93af982e55b2035c8dbd907cd656125f8bee4eef7973f3a55e657"
= 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 = { 8b4020 5d c3 84c9 7908 8b4508 8b00 }
$sequence_1 = { ffd6 8d8db8f1ffff a3???????? e8???????? 50 53 }
$sequence_2 = { 8b4804 c1eb1f 80f301 894df8 7518 6a00 }
$sequence_3 = { 68???????? ffd6 85c0 0f95c0 884719 8d85f4fdffff 50 }
$sequence_4 = { 74f1 56 ff7510 ff750c ff7508 }
$sequence_5 = { 8845f8 8d45ac 0f1145d0 50 0f2805???????? }
$sequence_6 = { 83c420 39450c 7c3c 6a00 6a00 6868080000 ff34b56cb30610 }
$sequence_7 = { 8945a8 8b0d???????? 85c9 740d 6a00 6a01 e8???????? }
$sequence_8 = { e8???????? 8d8db4f0ffff e8???????? 8d8db0efffff e8???????? 8d8decfeffff e8???????? }
$sequence_9 = { 2bcb 8955f0 c1f904 b8ffffff0f 8bd9 d1eb 2bc3 }
condition:
7 of them and filesize < 985088
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 8b4020 5d c3 84c9 7908 8b4508 8b00 } | |
| $sequence_1 | hex | { ffd6 8d8db8f1ffff a3???????? e8???????? 50 53 } | |
| $sequence_2 | hex | { 8b4804 c1eb1f 80f301 894df8 7518 6a00 } | |
| $sequence_3 | hex | { 68???????? ffd6 85c0 0f95c0 884719 8d85f4fdffff 50 } | |
| $sequence_4 | hex | { 74f1 56 ff7510 ff750c ff7508 } | |
| $sequence_5 | hex | { 8845f8 8d45ac 0f1145d0 50 0f2805???????? } | |
| $sequence_6 | hex | { 83c420 39450c 7c3c 6a00 6a00 6868080000 ff34b56cb30610 } | |
| $sequence_7 | hex | { 8945a8 8b0d???????? 85c9 740d 6a00 6a01 e8???????? } | |
| $sequence_8 | hex | { e8???????? 8d8db4f0ffff e8???????? 8d8db0efffff e8???????? 8d8decfeffff e8???????? } | |
| $sequence_9 | hex | { 2bcb 8955f0 c1f904 b8ffffff0f 8bd9 d1eb 2bc3 } |
Condition
7 of them and filesize < 985088In plain words (Heuristic)
- The file must be smaller than 985088 (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: 8027e9a0-57db-5545-b6f4-a197594f5a36
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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