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MALPEDIA_Win_Dented_Auto

autogenerated rule brought to you by yara-signator

MalwareDentedMalpedia 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: Dented.

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

Summary generated from the rule's metadata and condition.

Rule source

win-dented-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Dented_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "6d9f3006-8589-5328-8333-f84c73aa8db5"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.dented"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.dented_auto.yar#L1-L118"
		license_url = "N/A"
		logic_hash = "d6b616a382cf89cb39c9d2b5b26a8a077346bf2509ae21f5aba3b547b7819f6d"
		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 = { 68???????? bf08020000 8d85ecfbffff 57 }
		$sequence_1 = { ff751c 8b742440 8b08 894d10 8b4004 83632000 }
		$sequence_2 = { 898de4f7ffff 33f6 89bdecf7ffff 33c9 }
		$sequence_3 = { 8b8de4f7ffff 56 c6041e00 e8???????? 8b4dfc 8b85e4f7ffff 33cd }
		$sequence_4 = { 53 e8???????? 8b4c2444 83c418 33f6 8b10 89550c }
		$sequence_5 = { ff15???????? 83a5e8fdffff00 53 33db 8985e0fdffff }
		$sequence_6 = { e8???????? 59 8945ec 3818 7567 837f1410 }
		$sequence_7 = { 8bd1 53 56 8b7508 f6423c02 }
		$sequence_8 = { 8d4de0 885de0 895df0 897df4 }
		$sequence_9 = { 8b00 2bc8 51 50 8d4de0 885de0 }

	condition:
		7 of them and filesize < 450560
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 68???????? bf08020000 8d85ecfbffff 57 }
$sequence_1hex{ ff751c 8b742440 8b08 894d10 8b4004 83632000 }
$sequence_2hex{ 898de4f7ffff 33f6 89bdecf7ffff 33c9 }
$sequence_3hex{ 8b8de4f7ffff 56 c6041e00 e8???????? 8b4dfc 8b85e4f7ffff 33cd }
$sequence_4hex{ 53 e8???????? 8b4c2444 83c418 33f6 8b10 89550c }
$sequence_5hex{ ff15???????? 83a5e8fdffff00 53 33db 8985e0fdffff }
$sequence_6hex{ e8???????? 59 8945ec 3818 7567 837f1410 }
$sequence_7hex{ 8bd1 53 56 8b7508 f6423c02 }
$sequence_8hex{ 8d4de0 885de0 895df0 897df4 }
$sequence_9hex{ 8b00 2bc8 51 50 8d4de0 885de0 }

Condition

7 of them and filesize < 450560

In plain words (Heuristic)

  • The file must be smaller than 450560 (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: 6d9f3006-8589-5328-8333-f84c73aa8db5

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