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MALPEDIA_Win_Xdspy_Auto

autogenerated rule brought to you by yara-signator

MalwareXdspyMalpedia 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: Xdspy.

It defines 16 patterns (0 text, 16 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

win-xdspy-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Xdspy_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "c51b5351-ac66-5093-9414-46afdfb7472f"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.xdspy"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.xdspy_auto.yar#L1-L170"
		license_url = "N/A"
		logic_hash = "946eac892e0a436fe7bc8c10c81550a1b9e8644df3bf4335d1695a2ae8dac0c3"
		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 = { 7416 ff35???????? 68???????? 56 }
		$sequence_1 = { 50 e8???????? ffb56cd8ffff e8???????? 83c40c 85c0 }
		$sequence_2 = { 8d85b0510000 68???????? 50 e8???????? 56 8d85c84d0000 57 }
		$sequence_3 = { 8bc8 83e11f 8bf0 c1fe05 c1e106 030cb5804e4100 }
		$sequence_4 = { 7413 ff15???????? 3db7000000 7506 57 e8???????? }
		$sequence_5 = { c705????????97654000 8935???????? a3???????? ff15???????? a3???????? }
		$sequence_6 = { ffd7 ff75e4 e8???????? 6a16 ff75d8 8d45e8 50 }
		$sequence_7 = { 55 8bec 8b4508 33c9 3b04cd58004100 }
		$sequence_8 = { 488d95e01c0000 488bc8 ff15???????? 498bd4 498bcd ffd0 }
		$sequence_9 = { 0f1f440000 fe08 488d4001 443838 }
		$sequence_10 = { c705????????68002000 c705????????32000d00 c705????????7470646c 66c705????????6675 }
		$sequence_11 = { 488d4001 3818 75f6 488d85c0060000 389dc0060000 7411 }
		$sequence_12 = { 440fb706 488bcf 488b15???????? 4883c8ff 48ffc0 }
		$sequence_13 = { eb1d 488d05774a0100 ffcb 488d0c9b }
		$sequence_14 = { 85c1 7402 ffc2 d1c0 85c1 7402 }
		$sequence_15 = { 2c2c 42888429b8aa1700 48ffc1 4883f90c 7ce4 488bcb 90 }

	condition:
		7 of them and filesize < 3244032
}

Strings (16 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 7416 ff35???????? 68???????? 56 }
$sequence_1hex{ 50 e8???????? ffb56cd8ffff e8???????? 83c40c 85c0 }
$sequence_2hex{ 8d85b0510000 68???????? 50 e8???????? 56 8d85c84d0000 57 }
$sequence_3hex{ 8bc8 83e11f 8bf0 c1fe05 c1e106 030cb5804e4100 }
$sequence_4hex{ 7413 ff15???????? 3db7000000 7506 57 e8???????? }
$sequence_5hex{ c705????????97654000 8935???????? a3???????? ff15???????? a3???????? }
$sequence_6hex{ ffd7 ff75e4 e8???????? 6a16 ff75d8 8d45e8 50 }
$sequence_7hex{ 55 8bec 8b4508 33c9 3b04cd58004100 }
$sequence_8hex{ 488d95e01c0000 488bc8 ff15???????? 498bd4 498bcd ffd0 }
$sequence_9hex{ 0f1f440000 fe08 488d4001 443838 }
$sequence_10hex{ c705????????68002000 c705????????32000d00 c705????????7470646c 66c705????????6675 }
$sequence_11hex{ 488d4001 3818 75f6 488d85c0060000 389dc0060000 7411 }
$sequence_12hex{ 440fb706 488bcf 488b15???????? 4883c8ff 48ffc0 }
$sequence_13hex{ eb1d 488d05774a0100 ffcb 488d0c9b }
$sequence_14hex{ 85c1 7402 ffc2 d1c0 85c1 7402 }
$sequence_15hex{ 2c2c 42888429b8aa1700 48ffc1 4883f90c 7ce4 488bcb 90 }

Condition

7 of them and filesize < 3244032

In plain words (Heuristic)

  • The file must be smaller than 3244032 (a cheap guard that skips large files).
  • At least 7 patterns in the rule must match.

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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: c51b5351-ac66-5093-9414-46afdfb7472f

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

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