YARA · Malpedia signator rules
MALPEDIA_Win_Dairy_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: Dairy.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-dairy-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Dairy_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "5c5e448f-691e-5af5-aa7a-48e35df1d492"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.dairy"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.dairy_auto.yar#L1-L116"
= "N/A"
= "fa5ba24ebb6bf6340630aef5ac6f2b0c6c47dcc508c49f7e64cc987880b086ca"
= 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 = { 83c41c f2ae f7d1 49 880431 8d442410 }
$sequence_1 = { 68???????? 6a00 890d???????? 8b0d???????? 6a02 }
$sequence_2 = { 8b74241c 46 4f 84c0 }
$sequence_3 = { 89442424 894c2428 c744241840000000 ffd7 8b35???????? }
$sequence_4 = { 8b4c2410 8b450c 8d54241c 51 52 }
$sequence_5 = { 50 ffd5 8bf0 85f6 746f 8b4e10 8b11 }
$sequence_6 = { ba27000000 2bd1 bf???????? 83c9ff 33c0 }
$sequence_7 = { eb2b 8dbc0c3d060000 83c9ff 33c0 }
$sequence_8 = { bf???????? 33c0 8d54243c f2ae f7d1 2bf9 6a0a }
$sequence_9 = { 83c9ff 33c0 46 83c502 }
condition:
7 of them and filesize < 212992
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 83c41c f2ae f7d1 49 880431 8d442410 } | |
| $sequence_1 | hex | { 68???????? 6a00 890d???????? 8b0d???????? 6a02 } | |
| $sequence_2 | hex | { 8b74241c 46 4f 84c0 } | |
| $sequence_3 | hex | { 89442424 894c2428 c744241840000000 ffd7 8b35???????? } | |
| $sequence_4 | hex | { 8b4c2410 8b450c 8d54241c 51 52 } | |
| $sequence_5 | hex | { 50 ffd5 8bf0 85f6 746f 8b4e10 8b11 } | |
| $sequence_6 | hex | { ba27000000 2bd1 bf???????? 83c9ff 33c0 } | |
| $sequence_7 | hex | { eb2b 8dbc0c3d060000 83c9ff 33c0 } | |
| $sequence_8 | hex | { bf???????? 33c0 8d54243c f2ae f7d1 2bf9 6a0a } | |
| $sequence_9 | hex | { 83c9ff 33c0 46 83c502 } |
Condition
7 of them and filesize < 212992In plain words (Heuristic)
- The file must be smaller than 212992 (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: 5c5e448f-691e-5af5-aa7a-48e35df1d492
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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