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MALPEDIA_Win_Ngioweb_Auto

autogenerated rule brought to you by yara-signator

MalwareNgiowebMalpedia 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: Ngioweb.

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

Summary generated from the rule's metadata and condition.

Rule source

win-ngioweb-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Ngioweb_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "c763819e-4aaa-5c9f-913e-013834fdaa69"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.ngioweb"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.ngioweb_auto.yar#L1-L131"
		license_url = "N/A"
		logic_hash = "cedd8cfeb86d6daa6d34fd75eca77e1232d1935f581d3c8d19407cbf918366c7"
		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 = { a5 50 a5 ff5128 85c0 7c5b 8d45ec }
		$sequence_1 = { 7308 0fb645b0 3bf8 7572 8b45f8 8d3407 56 }
		$sequence_2 = { ff35???????? e8???????? e8???????? 8bf0 81c630750000 8b3d???????? 68012d8451 }
		$sequence_3 = { 5e 8bc7 5f c20c00 ff742408 ff742408 6a10 }
		$sequence_4 = { 895dfc 0f8494000000 395d0c 0f848b000000 57 6890f98572 }
		$sequence_5 = { 6890f98572 68029fe66a 83c658 e8???????? 56 }
		$sequence_6 = { ffd0 5f 8b45fc 5e 5b c9 c21800 }
		$sequence_7 = { 750b 8b5e08 837b0c00 7513 33c0 83f803 750c }
		$sequence_8 = { 6a00 57 e8???????? 5e 5d 5b 5f }
		$sequence_9 = { 88851cffffff 88851dffffff 88851effffff c6851fffffffbf 888520ffffff 888521ffffff 888522ffffff }

	condition:
		7 of them and filesize < 204800
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ a5 50 a5 ff5128 85c0 7c5b 8d45ec }
$sequence_1hex{ 7308 0fb645b0 3bf8 7572 8b45f8 8d3407 56 }
$sequence_2hex{ ff35???????? e8???????? e8???????? 8bf0 81c630750000 8b3d???????? 68012d8451 }
$sequence_3hex{ 5e 8bc7 5f c20c00 ff742408 ff742408 6a10 }
$sequence_4hex{ 895dfc 0f8494000000 395d0c 0f848b000000 57 6890f98572 }
$sequence_5hex{ 6890f98572 68029fe66a 83c658 e8???????? 56 }
$sequence_6hex{ ffd0 5f 8b45fc 5e 5b c9 c21800 }
$sequence_7hex{ 750b 8b5e08 837b0c00 7513 33c0 83f803 750c }
$sequence_8hex{ 6a00 57 e8???????? 5e 5d 5b 5f }
$sequence_9hex{ 88851cffffff 88851dffffff 88851effffff c6851fffffffbf 888520ffffff 888521ffffff 888522ffffff }

Condition

7 of them and filesize < 204800

In plain words (Heuristic)

  • The file must be smaller than 204800 (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: c763819e-4aaa-5c9f-913e-013834fdaa69

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