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MALPEDIA_Win_Dnspionage_Auto

autogenerated rule brought to you by yara-signator

MalwareDnspionageMalpedia 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: Dnspionage.

It defines 10 patterns (0 text, 10 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

win-dnspionage-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Dnspionage_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "c49a2e50-0979-5de4-80a8-29fa15cfd796"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.dnspionage"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.dnspionage_auto.yar#L1-L118"
		license_url = "N/A"
		logic_hash = "934799e4ebb3ae7b0b17054c01db25164aa91565513b6998ead64d11f99dd244"
		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 = { 8bf8 85f6 7e14 8bcf }
		$sequence_1 = { 2bf9 8d4e01 8a06 46 }
		$sequence_2 = { c6843518feffff00 8d8500feffff 50 6a00 ff15???????? }
		$sequence_3 = { 75f2 6a00 c6043300 e8???????? }
		$sequence_4 = { 53 8bd9 56 57 6a28 895dfc 8903 }
		$sequence_5 = { 8b01 ff5010 33c0 5b }
		$sequence_6 = { 8bd7 894f20 8bcb 89470c e8???????? 85f6 7448 }
		$sequence_7 = { 894f0c 894704 8d45f4 894708 eb02 }
		$sequence_8 = { 8ac4 8855f8 8a55f6 8aca c0e004 c0f902 80e10f }
		$sequence_9 = { 33c5 8945fc 8a4508 384120 7512 b001 8b4dfc }

	condition:
		7 of them and filesize < 786432
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 8bf8 85f6 7e14 8bcf }
$sequence_1hex{ 2bf9 8d4e01 8a06 46 }
$sequence_2hex{ c6843518feffff00 8d8500feffff 50 6a00 ff15???????? }
$sequence_3hex{ 75f2 6a00 c6043300 e8???????? }
$sequence_4hex{ 53 8bd9 56 57 6a28 895dfc 8903 }
$sequence_5hex{ 8b01 ff5010 33c0 5b }
$sequence_6hex{ 8bd7 894f20 8bcb 89470c e8???????? 85f6 7448 }
$sequence_7hex{ 894f0c 894704 8d45f4 894708 eb02 }
$sequence_8hex{ 8ac4 8855f8 8a55f6 8aca c0e004 c0f902 80e10f }
$sequence_9hex{ 33c5 8945fc 8a4508 384120 7512 b001 8b4dfc }

Condition

7 of them and filesize < 786432

In plain words (Heuristic)

  • The file must be smaller than 786432 (a cheap guard that skips large files).
  • At least 7 patterns in the rule must match.

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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: c49a2e50-0979-5de4-80a8-29fa15cfd796

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