YARA · Malpedia signator rules
MALPEDIA_Win_Redshawl_Auto
autogenerated rule brought to you by yara-signator
MalwareRedshawlMalpedia 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: Redshawl.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-redshawl-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Redshawl_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "4c456005-6eca-5b81-8b66-a093c12005e5"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.redshawl"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.redshawl_auto.yar#L1-L123"
= "N/A"
= "8e56032befee22912f239204df689020251e0862de8ab36f3ae7f172ba6ad37f"
= 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 = { 8b5c2420 448bc3 488d54246c 488d0d4f9f0000 e8???????? }
$sequence_1 = { baa00f0000 ffc6 488d0c80 488d05baaa0000 488d0cc8 }
$sequence_2 = { 33c0 eb22 488d542440 498bcc ff15???????? 85c0 0f8564ffffff }
$sequence_3 = { ebc9 488bcb 488bc3 488d15eb7d0000 }
$sequence_4 = { 8a03 488d1501840000 ffc7 4a8b0ce2 4188440f4c 4a8b04e2 41c744075001000000 }
$sequence_5 = { 48ff25???????? 4883ec48 488364243000 8364242800 41b803000000 488d0d6c320000 4533c9 }
$sequence_6 = { c744242800000000 488d85b8000000 4889442420 4533c9 448bc3 33d2 b900110000 }
$sequence_7 = { e9???????? 8bb424a0000000 448bc6 418bd4 488d0dee990000 e8???????? }
$sequence_8 = { 488bd9 488d0575910000 488981a0000000 83611000 c7411c01000000 }
$sequence_9 = { 7457 33c0 48898424b8000000 4889442430 89442428 488d8424b8000000 }
condition:
7 of them and filesize < 174080
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 8b5c2420 448bc3 488d54246c 488d0d4f9f0000 e8???????? } | |
| $sequence_1 | hex | { baa00f0000 ffc6 488d0c80 488d05baaa0000 488d0cc8 } | |
| $sequence_2 | hex | { 33c0 eb22 488d542440 498bcc ff15???????? 85c0 0f8564ffffff } | |
| $sequence_3 | hex | { ebc9 488bcb 488bc3 488d15eb7d0000 } | |
| $sequence_4 | hex | { 8a03 488d1501840000 ffc7 4a8b0ce2 4188440f4c 4a8b04e2 41c744075001000000 } | |
| $sequence_5 | hex | { 48ff25???????? 4883ec48 488364243000 8364242800 41b803000000 488d0d6c320000 4533c9 } | |
| $sequence_6 | hex | { c744242800000000 488d85b8000000 4889442420 4533c9 448bc3 33d2 b900110000 } | |
| $sequence_7 | hex | { e9???????? 8bb424a0000000 448bc6 418bd4 488d0dee990000 e8???????? } | |
| $sequence_8 | hex | { 488bd9 488d0575910000 488981a0000000 83611000 c7411c01000000 } | |
| $sequence_9 | hex | { 7457 33c0 48898424b8000000 4889442430 89442428 488d8424b8000000 } |
Condition
7 of them and filesize < 174080In plain words (Heuristic)
- The file must be smaller than 174080 (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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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: 4c456005-6eca-5b81-8b66-a093c12005e5
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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