YARA · Malpedia signator rules
MALPEDIA_Win_Zerocleare_Auto
autogenerated rule brought to you by yara-signator
MalwareZerocleareMalpedia 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: Zerocleare.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-zerocleare-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Zerocleare_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "aaffbb51-ae5a-5a33-af37-f6ca4beb1006"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.zerocleare"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.zerocleare_auto.yar#L1-L118"
= "N/A"
= "e2a432e71bba9b73c9875d571cdcfbba9fb777bd921eb709f6641897385aefd0"
= 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 = { 83e03f c1f906 6bc038 8b0c8d40fd4400 }
$sequence_1 = { 83bdd4f7ffff08 6a00 0f4385c0f7ffff 51 50 ffd7 }
$sequence_2 = { 894304 8b45ec 03c1 894308 }
$sequence_3 = { 8d04c1 894304 8b45ec 03c1 894308 8b03 }
$sequence_4 = { 8d04c1 894304 8b45ec 03c1 894308 }
$sequence_5 = { 59 6a05 c74048b0d24400 8b4508 6689486c }
$sequence_6 = { 8b07 8b5610 83c03d c745e801000000 }
$sequence_7 = { 85c0 751f ff15???????? 50 8d4c2408 e8???????? 68???????? }
$sequence_8 = { 85c0 0f84d5460000 c3 833d????????ff 7503 33c0 }
$sequence_9 = { 0f94c1 fec9 8b148540fd4400 80e102 8a44172d 24fd 0ac8 }
condition:
7 of them and filesize < 42670080
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 83e03f c1f906 6bc038 8b0c8d40fd4400 } | |
| $sequence_1 | hex | { 83bdd4f7ffff08 6a00 0f4385c0f7ffff 51 50 ffd7 } | |
| $sequence_2 | hex | { 894304 8b45ec 03c1 894308 } | |
| $sequence_3 | hex | { 8d04c1 894304 8b45ec 03c1 894308 8b03 } | |
| $sequence_4 | hex | { 8d04c1 894304 8b45ec 03c1 894308 } | |
| $sequence_5 | hex | { 59 6a05 c74048b0d24400 8b4508 6689486c } | |
| $sequence_6 | hex | { 8b07 8b5610 83c03d c745e801000000 } | |
| $sequence_7 | hex | { 85c0 751f ff15???????? 50 8d4c2408 e8???????? 68???????? } | |
| $sequence_8 | hex | { 85c0 0f84d5460000 c3 833d????????ff 7503 33c0 } | |
| $sequence_9 | hex | { 0f94c1 fec9 8b148540fd4400 80e102 8a44172d 24fd 0ac8 } |
Condition
7 of them and filesize < 42670080In plain words (Heuristic)
- The file must be smaller than 42670080 (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: aaffbb51-ae5a-5a33-af37-f6ca4beb1006
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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