YARA · Malpedia signator rules
MALPEDIA_Win_Helauto_Auto
autogenerated rule brought to you by yara-signator
MalwareHelautoMalpedia 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: Helauto.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-helauto-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Helauto_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "71861316-2986-520d-9c86-3a6678914d81"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.helauto"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.helauto_auto.yar#L1-L118"
= "N/A"
= "18de7897ef38c2c7f315e763107cb199bcc085f16b0148680711dc98d61d5e4a"
= 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 = { 0f841f010000 8b3d???????? 6a05 8d85a8f3ffff 68???????? }
$sequence_1 = { 3945f8 7d03 8945f8 ff75f8 }
$sequence_2 = { 68???????? ff75e4 8945f0 ff15???????? }
$sequence_3 = { b902010000 33c0 8dbd9de5ffff c6859ce5ffff30 f3ab 66ab }
$sequence_4 = { c745c001000000 ffd6 8d45b8 53 50 }
$sequence_5 = { ff15???????? 8d859ce5ffff 50 e8???????? 83c410 50 8d859ce5ffff }
$sequence_6 = { 8d8598f3ffff 50 ff7508 e8???????? 83c414 84c0 0f8421ffffff }
$sequence_7 = { 8d859ce5ffff 50 53 53 ff75fc ff15???????? }
$sequence_8 = { 68ff030000 50 8d85a8ebffff 50 }
$sequence_9 = { 837d0801 7e21 56 8d85f4feffff ff7704 50 }
condition:
7 of them and filesize < 57344
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 0f841f010000 8b3d???????? 6a05 8d85a8f3ffff 68???????? } | |
| $sequence_1 | hex | { 3945f8 7d03 8945f8 ff75f8 } | |
| $sequence_2 | hex | { 68???????? ff75e4 8945f0 ff15???????? } | |
| $sequence_3 | hex | { b902010000 33c0 8dbd9de5ffff c6859ce5ffff30 f3ab 66ab } | |
| $sequence_4 | hex | { c745c001000000 ffd6 8d45b8 53 50 } | |
| $sequence_5 | hex | { ff15???????? 8d859ce5ffff 50 e8???????? 83c410 50 8d859ce5ffff } | |
| $sequence_6 | hex | { 8d8598f3ffff 50 ff7508 e8???????? 83c414 84c0 0f8421ffffff } | |
| $sequence_7 | hex | { 8d859ce5ffff 50 53 53 ff75fc ff15???????? } | |
| $sequence_8 | hex | { 68ff030000 50 8d85a8ebffff 50 } | |
| $sequence_9 | hex | { 837d0801 7e21 56 8d85f4feffff ff7704 50 } |
Condition
7 of them and filesize < 57344In plain words (Heuristic)
- The file must be smaller than 57344 (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: 71861316-2986-520d-9c86-3a6678914d81
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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