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MALPEDIA_Win_Vsingle_Auto

autogenerated rule brought to you by yara-signator

MalwareVsingleMalpedia 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: Vsingle.

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

Summary generated from the rule's metadata and condition.

Rule source

win-vsingle-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Vsingle_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "7a0dc0b8-8413-526e-80cd-2e11f3fb260c"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.vsingle"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.vsingle_auto.yar#L1-L167"
		license_url = "N/A"
		logic_hash = "f0219dca344f5491ea50620d0847b642ccbeeaa49ea8c19b88efa0837a19f196"
		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 = { 8945fc 56 57 c6850cffffff00 68ef000000 6a00 8d850dffffff }
		$sequence_1 = { 51 ff15???????? 8b5508 52 ff15???????? 83c001 }
		$sequence_2 = { 33c0 668985d4f6ffff 68fe070000 6a00 }
		$sequence_3 = { 51 ff15???????? 8d94057cfeffff 52 }
		$sequence_4 = { 8945fc 64a130000000 8945f8 8b45f8 8b4dfc 33cd e8???????? }
		$sequence_5 = { 33c0 668985ccb6ffff 6800200000 6a00 8d8dceb6ffff }
		$sequence_6 = { 8955c5 8955c9 668955cd 8855cf c645d000 33c0 }
		$sequence_7 = { 83c408 894598 8b4508 3b4598 7508 8b4db0 8b4118 }
		$sequence_8 = { 81f289e16a3d eb43 81c0e92289a3 81e807909f53 }
		$sequence_9 = { 81c3e0fb4709 66890c2b 5b 0fb755e4 85d2 }
		$sequence_10 = { 52 bab450bfad 81c2acf92436 81c2d42cb3d3 81ea65354a2c }
		$sequence_11 = { 50 b831b265c9 81f0be517822 81c045df1a86 81f017fa817b 81c0a0322d59 }
		$sequence_12 = { 21f0 5e 52 bad7593745 }
		$sequence_13 = { 5b 53 bb466ba2eb 81c316a49e00 }
		$sequence_14 = { e9???????? 81e9699779d1 81c1cdd62061 e9???????? 81e9fcdd35b4 81e914eb6430 }
		$sequence_15 = { 81eeef6a17e4 81c63f5b8880 81f63a06f592 81eee27f222c 81f6edd42c06 }

	condition:
		7 of them and filesize < 940032
}

Strings (16 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 8945fc 56 57 c6850cffffff00 68ef000000 6a00 8d850dffffff }
$sequence_1hex{ 51 ff15???????? 8b5508 52 ff15???????? 83c001 }
$sequence_2hex{ 33c0 668985d4f6ffff 68fe070000 6a00 }
$sequence_3hex{ 51 ff15???????? 8d94057cfeffff 52 }
$sequence_4hex{ 8945fc 64a130000000 8945f8 8b45f8 8b4dfc 33cd e8???????? }
$sequence_5hex{ 33c0 668985ccb6ffff 6800200000 6a00 8d8dceb6ffff }
$sequence_6hex{ 8955c5 8955c9 668955cd 8855cf c645d000 33c0 }
$sequence_7hex{ 83c408 894598 8b4508 3b4598 7508 8b4db0 8b4118 }
$sequence_8hex{ 81f289e16a3d eb43 81c0e92289a3 81e807909f53 }
$sequence_9hex{ 81c3e0fb4709 66890c2b 5b 0fb755e4 85d2 }
$sequence_10hex{ 52 bab450bfad 81c2acf92436 81c2d42cb3d3 81ea65354a2c }
$sequence_11hex{ 50 b831b265c9 81f0be517822 81c045df1a86 81f017fa817b 81c0a0322d59 }
$sequence_12hex{ 21f0 5e 52 bad7593745 }
$sequence_13hex{ 5b 53 bb466ba2eb 81c316a49e00 }
$sequence_14hex{ e9???????? 81e9699779d1 81c1cdd62061 e9???????? 81e9fcdd35b4 81e914eb6430 }
$sequence_15hex{ 81eeef6a17e4 81c63f5b8880 81f63a06f592 81eee27f222c 81f6edd42c06 }

Condition

7 of them and filesize < 940032

In plain words (Heuristic)

  • The file must be smaller than 940032 (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.

Open in editor

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: 7a0dc0b8-8413-526e-80cd-2e11f3fb260c

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