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MALPEDIA_Win_Hdmr_Auto

autogenerated rule brought to you by yara-signator

MalwareHdmrMalpedia 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: Hdmr.

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

Summary generated from the rule's metadata and condition.

Rule source

win-hdmr-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Hdmr_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "d7c2af72-912d-5503-a152-e44806d38df1"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.hdmr"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.hdmr_auto.yar#L1-L121"
		license_url = "N/A"
		logic_hash = "ee139c0aa91276df8e246776ac0e0dc9525d3fadc5574673ef7224c9dd7d71ea"
		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 = { 8b06 8b9094000000 8bce ffd2 8b10 8bc8 }
		$sequence_1 = { 337008 8955fc 33de 8b75f8 33fe 81e7ff00ff00 33780c }
		$sequence_2 = { 2bf7 8bff 0fb719 0fb73c0e }
		$sequence_3 = { 51 e8???????? 8bf0 89470c 8b450c 83c404 8bd6 }
		$sequence_4 = { ffd7 83c614 ff4c240c 0f8562ffffff 33d2 68fe070000 52 }
		$sequence_5 = { 0f84e1030000 6a00 6a00 6a00 }
		$sequence_6 = { 7424 8b06 8b9094000000 8bce }
		$sequence_7 = { 8d45cc 50 c745cce86b4100 e8???????? 8b7508 bf63736de0 393e }
		$sequence_8 = { 56 8d3c8540d04100 e8???????? 83e01f 59 }
		$sequence_9 = { 8bce ffd2 8b10 4f 57 8bc8 }

	condition:
		7 of them and filesize < 284672
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 8b06 8b9094000000 8bce ffd2 8b10 8bc8 }
$sequence_1hex{ 337008 8955fc 33de 8b75f8 33fe 81e7ff00ff00 33780c }
$sequence_2hex{ 2bf7 8bff 0fb719 0fb73c0e }
$sequence_3hex{ 51 e8???????? 8bf0 89470c 8b450c 83c404 8bd6 }
$sequence_4hex{ ffd7 83c614 ff4c240c 0f8562ffffff 33d2 68fe070000 52 }
$sequence_5hex{ 0f84e1030000 6a00 6a00 6a00 }
$sequence_6hex{ 7424 8b06 8b9094000000 8bce }
$sequence_7hex{ 8d45cc 50 c745cce86b4100 e8???????? 8b7508 bf63736de0 393e }
$sequence_8hex{ 56 8d3c8540d04100 e8???????? 83e01f 59 }
$sequence_9hex{ 8bce ffd2 8b10 4f 57 8bc8 }

Condition

7 of them and filesize < 284672

In plain words (Heuristic)

  • The file must be smaller than 284672 (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: d7c2af72-912d-5503-a152-e44806d38df1

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