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MALPEDIA_Win_Dairy_Auto

autogenerated rule brought to you by yara-signator

MalwareDairyMalpedia 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: 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:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "5c5e448f-691e-5af5-aa7a-48e35df1d492"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.dairy"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.dairy_auto.yar#L1-L116"
		license_url = "N/A"
		logic_hash = "fa5ba24ebb6bf6340630aef5ac6f2b0c6c47dcc508c49f7e64cc987880b086ca"
		score = 75
		quality = 75
		tags = "FILE"
		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"

	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)

IdentifierTypeValueModifiers
$sequence_0hex{ 83c41c f2ae f7d1 49 880431 8d442410 }
$sequence_1hex{ 68???????? 6a00 890d???????? 8b0d???????? 6a02 }
$sequence_2hex{ 8b74241c 46 4f 84c0 }
$sequence_3hex{ 89442424 894c2428 c744241840000000 ffd7 8b35???????? }
$sequence_4hex{ 8b4c2410 8b450c 8d54241c 51 52 }
$sequence_5hex{ 50 ffd5 8bf0 85f6 746f 8b4e10 8b11 }
$sequence_6hex{ ba27000000 2bd1 bf???????? 83c9ff 33c0 }
$sequence_7hex{ eb2b 8dbc0c3d060000 83c9ff 33c0 }
$sequence_8hex{ bf???????? 33c0 8d54243c f2ae f7d1 2bf9 6a0a }
$sequence_9hex{ 83c9ff 33c0 46 83c502 }

Condition

7 of them and filesize < 212992

In 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.

Test this rule in your browser

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Drop a file here or click to chooseScanned locally with YARA-X. Files up to 200 MB.

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References

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)

Original rule

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

version1
toolyara-signator v0.6.0
signator_configcallsandjumps;datarefs;binvalue
malpedia_rule_date20260422
malpedia_hasha182e35da64e6d71cb55f125c4d4225196523f14
malpedia_version20260504
malpedia_licenseCC BY-SA 4.0
malpedia_sharingTLP:WHITE

Tags:FILE