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MALPEDIA_Win_Makadocs_Auto

autogenerated rule brought to you by yara-signator

MalwareMakadocsMalpedia 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: Makadocs.

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

Summary generated from the rule's metadata and condition.

Rule source

win-makadocs-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Makadocs_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "c36372cb-6691-5819-94fe-b771c4bce494"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.makadocs"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.makadocs_auto.yar#L1-L131"
		license_url = "N/A"
		logic_hash = "a5df01775d77577eaa78904dfd4238f0eadeba88f74b3429699d8d017466a1ee"
		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 = { 99 83c404 01442444 11542448 eb44 }
		$sequence_1 = { c1f905 8d1c8d407c4200 8bf0 83e61f c1e606 8b0b 0fbe4c3104 }
		$sequence_2 = { 50 ffd7 85c0 7508 8b4c2440 8b01 }
		$sequence_3 = { 2bc2 8bf8 8b442410 56 e8???????? 85f6 7409 }
		$sequence_4 = { 3bf1 0f8f06020000 03c6 68???????? 50 e8???????? 83c408 }
		$sequence_5 = { 8b4c2424 51 50 8d4c2434 e8???????? 83c408 c644245402 }
		$sequence_6 = { c644246828 e8???????? 8b542434 52 68???????? 8d7c2430 e8???????? }
		$sequence_7 = { ffd5 8b06 3b78f8 7f0f 8978f4 8b0e c6040f00 }
		$sequence_8 = { e8???????? c68424bc00000001 8b442444 83c0f0 83c404 8d500c 83c9ff }
		$sequence_9 = { 68???????? e8???????? 8b4c2438 8b11 52 68???????? e8???????? }

	condition:
		7 of them and filesize < 344064
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 99 83c404 01442444 11542448 eb44 }
$sequence_1hex{ c1f905 8d1c8d407c4200 8bf0 83e61f c1e606 8b0b 0fbe4c3104 }
$sequence_2hex{ 50 ffd7 85c0 7508 8b4c2440 8b01 }
$sequence_3hex{ 2bc2 8bf8 8b442410 56 e8???????? 85f6 7409 }
$sequence_4hex{ 3bf1 0f8f06020000 03c6 68???????? 50 e8???????? 83c408 }
$sequence_5hex{ 8b4c2424 51 50 8d4c2434 e8???????? 83c408 c644245402 }
$sequence_6hex{ c644246828 e8???????? 8b542434 52 68???????? 8d7c2430 e8???????? }
$sequence_7hex{ ffd5 8b06 3b78f8 7f0f 8978f4 8b0e c6040f00 }
$sequence_8hex{ e8???????? c68424bc00000001 8b442444 83c0f0 83c404 8d500c 83c9ff }
$sequence_9hex{ 68???????? e8???????? 8b4c2438 8b11 52 68???????? e8???????? }

Condition

7 of them and filesize < 344064

In plain words (Heuristic)

  • The file must be smaller than 344064 (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: c36372cb-6691-5819-94fe-b771c4bce494

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