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MALPEDIA_Win_Ddkeylogger_Auto

autogenerated rule brought to you by yara-signator

MalwareDdkeyloggerMalpedia 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: Ddkeylogger.

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

Summary generated from the rule's metadata and condition.

Rule source

win-ddkeylogger-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Ddkeylogger_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "b919b02c-00ef-5f37-ad38-3d116fc0ee48"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.ddkeylogger"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.ddkeylogger_auto.yar#L1-L119"
		license_url = "N/A"
		logic_hash = "2696cbe1473eb4ace8c92a6d0c6e7fce7cc43e80005bef9a8faf13e2e5b02469"
		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 = { 8d45cc 50 c745cce0184100 e8???????? }
		$sequence_1 = { 56 e8???????? 83c408 c60000 68???????? 68???????? }
		$sequence_2 = { ff15???????? 8b85e0faffff 8b08 8b5108 50 ffd2 }
		$sequence_3 = { ff15???????? 6800040000 8d8d4cf3ffff 6a00 51 e8???????? 0fb79548efffff }
		$sequence_4 = { 8b5804 8d140b 0fb70a 56 8b700c 0fb70c4e 0fb7f1 }
		$sequence_5 = { 83c40c 8b55e8 8b45f0 8955dc 8bf9 8945e4 8bde }
		$sequence_6 = { f7c200020000 0f95c0 0409 c3 }
		$sequence_7 = { 885004 33c0 8d642400 8a8c05f8feffff 888c05e4fcffff }
		$sequence_8 = { 7409 f6c208 0f95c0 0403 c3 }
		$sequence_9 = { 8d8de5fcffff 6a00 51 8985e0fcffff }

	condition:
		7 of them and filesize < 808960
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 8d45cc 50 c745cce0184100 e8???????? }
$sequence_1hex{ 56 e8???????? 83c408 c60000 68???????? 68???????? }
$sequence_2hex{ ff15???????? 8b85e0faffff 8b08 8b5108 50 ffd2 }
$sequence_3hex{ ff15???????? 6800040000 8d8d4cf3ffff 6a00 51 e8???????? 0fb79548efffff }
$sequence_4hex{ 8b5804 8d140b 0fb70a 56 8b700c 0fb70c4e 0fb7f1 }
$sequence_5hex{ 83c40c 8b55e8 8b45f0 8955dc 8bf9 8945e4 8bde }
$sequence_6hex{ f7c200020000 0f95c0 0409 c3 }
$sequence_7hex{ 885004 33c0 8d642400 8a8c05f8feffff 888c05e4fcffff }
$sequence_8hex{ 7409 f6c208 0f95c0 0403 c3 }
$sequence_9hex{ 8d8de5fcffff 6a00 51 8985e0fcffff }

Condition

7 of them and filesize < 808960

In plain words (Heuristic)

  • The file must be smaller than 808960 (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: b919b02c-00ef-5f37-ad38-3d116fc0ee48

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