YARA · Malpedia signator rules
MALPEDIA_Win_Auriga_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: Auriga.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-auriga-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Auriga_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "f63eadf1-7904-5ef6-85f0-77802d1f0795"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.auriga"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.auriga_auto.yar#L1-L117"
= "N/A"
= "2e66bf255be1de171c49cb4f15dfc11bec65479a2cb57d50a7d67deba40b6489"
= 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 = { a1???????? 85c0 7408 8b0d???????? }
$sequence_1 = { 7518 51 ff7508 e8???????? 3b05???????? a3???????? 7513 }
$sequence_2 = { 894d80 33db 894d9c 8d4ddc }
$sequence_3 = { 8b45e8 03c7 803820 7503 }
$sequence_4 = { c1cf0d 03f8 ebf4 3b7c2428 75e1 }
$sequence_5 = { 742d 8b430c 8b580c 53 ffd7 84c0 7420 }
$sequence_6 = { 7407 b8010000c0 eb51 833d????????00 74f0 56 }
$sequence_7 = { 6a30 53 8b35???????? ffd6 8945e4 3bc3 750a }
$sequence_8 = { ffb5bcfbffff 8d85ccfbffff 50 ffd7 }
$sequence_9 = { 8b3c30 ff45ec eba1 8bc6 eb02 }
condition:
7 of them and filesize < 75776
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { a1???????? 85c0 7408 8b0d???????? } | |
| $sequence_1 | hex | { 7518 51 ff7508 e8???????? 3b05???????? a3???????? 7513 } | |
| $sequence_2 | hex | { 894d80 33db 894d9c 8d4ddc } | |
| $sequence_3 | hex | { 8b45e8 03c7 803820 7503 } | |
| $sequence_4 | hex | { c1cf0d 03f8 ebf4 3b7c2428 75e1 } | |
| $sequence_5 | hex | { 742d 8b430c 8b580c 53 ffd7 84c0 7420 } | |
| $sequence_6 | hex | { 7407 b8010000c0 eb51 833d????????00 74f0 56 } | |
| $sequence_7 | hex | { 6a30 53 8b35???????? ffd6 8945e4 3bc3 750a } | |
| $sequence_8 | hex | { ffb5bcfbffff 8d85ccfbffff 50 ffd7 } | |
| $sequence_9 | hex | { 8b3c30 ff45ec eba1 8bc6 eb02 } |
Condition
7 of them and filesize < 75776In plain words (Heuristic)
- The file must be smaller than 75776 (a cheap guard that skips large files).
- At least 7 patterns in the rule must match.
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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: f63eadf1-7904-5ef6-85f0-77802d1f0795
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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