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MALPEDIA_Win_Qadars_Auto

autogenerated rule brought to you by yara-signator

MalwareQadarsMalpedia 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: Qadars.

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

Summary generated from the rule's metadata and condition.

Rule source

win-qadars-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Qadars_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "025526bd-ff82-5cf0-a77c-2d01f67f205c"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.qadars"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.qadars_auto.yar#L1-L159"
		license_url = "N/A"
		logic_hash = "5d743a8f393eb2f6cdf0f2ee2fce09eeac09b4a1b47105cef178b9000f2776a3"
		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 = { 8b4308 56 894df8 8b703c }
		$sequence_1 = { 33d2 8955fc eb08 8b0e 8b14b9 }
		$sequence_2 = { 83e11f bf01000000 d3e7 85fb 7504 }
		$sequence_3 = { 8bf8 eb14 68???????? bb02000000 e8???????? 8b7dfc }
		$sequence_4 = { 837f0800 7407 b801000000 eb0c }
		$sequence_5 = { e8???????? 8b4d08 8b5d10 8b550c }
		$sequence_6 = { 895dfc 885df0 895de0 895de4 }
		$sequence_7 = { 83c2f0 83d0ff 894604 8b45d8 8916 }
		$sequence_8 = { 6a00 8d4df4 51 6a04 8d55f8 }
		$sequence_9 = { 51 8b55f0 52 ff15???????? 83c40c }
		$sequence_10 = { 83c40c 6805010000 8d8df8feffff 51 }
		$sequence_11 = { 6a01 8b55fc 52 ff15???????? 83c408 }
		$sequence_12 = { 6a01 6a08 ff15???????? 83c408 }
		$sequence_13 = { 83c408 8945e8 837de800 7512 68???????? ff15???????? 33c0 }
		$sequence_14 = { 83c408 8945e8 8b45f8 50 8b4dfc }
		$sequence_15 = { 83c408 8945e8 8b45fc 50 8b4df8 }

	condition:
		7 of them and filesize < 630784
}

Strings (16 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 8b4308 56 894df8 8b703c }
$sequence_1hex{ 33d2 8955fc eb08 8b0e 8b14b9 }
$sequence_2hex{ 83e11f bf01000000 d3e7 85fb 7504 }
$sequence_3hex{ 8bf8 eb14 68???????? bb02000000 e8???????? 8b7dfc }
$sequence_4hex{ 837f0800 7407 b801000000 eb0c }
$sequence_5hex{ e8???????? 8b4d08 8b5d10 8b550c }
$sequence_6hex{ 895dfc 885df0 895de0 895de4 }
$sequence_7hex{ 83c2f0 83d0ff 894604 8b45d8 8916 }
$sequence_8hex{ 6a00 8d4df4 51 6a04 8d55f8 }
$sequence_9hex{ 51 8b55f0 52 ff15???????? 83c40c }
$sequence_10hex{ 83c40c 6805010000 8d8df8feffff 51 }
$sequence_11hex{ 6a01 8b55fc 52 ff15???????? 83c408 }
$sequence_12hex{ 6a01 6a08 ff15???????? 83c408 }
$sequence_13hex{ 83c408 8945e8 837de800 7512 68???????? ff15???????? 33c0 }
$sequence_14hex{ 83c408 8945e8 8b45f8 50 8b4dfc }
$sequence_15hex{ 83c408 8945e8 8b45fc 50 8b4df8 }

Condition

7 of them and filesize < 630784

In plain words (Heuristic)

  • The file must be smaller than 630784 (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: 025526bd-ff82-5cf0-a77c-2d01f67f205c

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