YARA · Malpedia signator rules
MALPEDIA_Win_Selfmake_Auto
autogenerated rule brought to you by yara-signator
MalwareSelfmakeMalpedia 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: Selfmake.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-selfmake-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Selfmake_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "07fdac44-2cb3-5222-82f9-fdcadc317366"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.selfmake"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.selfmake_auto.yar#L1-L123"
= "N/A"
= "635e27c7b3d38cdbf42f8154e54daa9018d5b0977042b1072b01d9b50bb94469"
= 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 = { 8b4d0c 51 8d55f0 52 8b4dec }
$sequence_1 = { 8b45ec 0fbe08 894dfc 8b55e8 8b420c c70003000000 eb2b }
$sequence_2 = { 0fbec0 3bc2 731d 6a00 2bf8 6a01 }
$sequence_3 = { 55 68???????? 894c2418 03d9 e8???????? 83c040 50 }
$sequence_4 = { f7431000400000 8b7508 89742414 895c2428 }
$sequence_5 = { 8b4b2c 6a00 6a01 51 ffd0 8b16 83c604 }
$sequence_6 = { 68???????? e8???????? 83c40c ff15???????? a3???????? 68???????? }
$sequence_7 = { 6a00 e8???????? 5e 5d c20400 e9???????? 833d????????00 }
$sequence_8 = { c3 8b460c 53 3bc7 }
$sequence_9 = { 8d4e04 8b5614 2bd7 52 8b542410 03d7 }
condition:
7 of them and filesize < 932864
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 8b4d0c 51 8d55f0 52 8b4dec } | |
| $sequence_1 | hex | { 8b45ec 0fbe08 894dfc 8b55e8 8b420c c70003000000 eb2b } | |
| $sequence_2 | hex | { 0fbec0 3bc2 731d 6a00 2bf8 6a01 } | |
| $sequence_3 | hex | { 55 68???????? 894c2418 03d9 e8???????? 83c040 50 } | |
| $sequence_4 | hex | { f7431000400000 8b7508 89742414 895c2428 } | |
| $sequence_5 | hex | { 8b4b2c 6a00 6a01 51 ffd0 8b16 83c604 } | |
| $sequence_6 | hex | { 68???????? e8???????? 83c40c ff15???????? a3???????? 68???????? } | |
| $sequence_7 | hex | { 6a00 e8???????? 5e 5d c20400 e9???????? 833d????????00 } | |
| $sequence_8 | hex | { c3 8b460c 53 3bc7 } | |
| $sequence_9 | hex | { 8d4e04 8b5614 2bd7 52 8b542410 03d7 } |
Condition
7 of them and filesize < 932864In plain words (Heuristic)
- The file must be smaller than 932864 (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: 07fdac44-2cb3-5222-82f9-fdcadc317366
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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