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MALPEDIA_Win_Wpbrutebot_Auto

autogenerated rule brought to you by yara-signator

MalwareWpbrutebotMalpedia 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: Wpbrutebot.

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

Summary generated from the rule's metadata and condition.

Rule source

win-wpbrutebot-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Wpbrutebot_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "e7da9eda-62ee-5169-b7c4-de71276c945c"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.wpbrutebot"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.wpbrutebot_auto.yar#L1-L134"
		license_url = "N/A"
		logic_hash = "658b4515a9ca8bdd5e22581e1ee448525d93fd11afaf0462db43b9ba94c89514"
		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 = { ffd0 8d442438 50 8d442440 50 8d8694050000 50 }
		$sequence_1 = { ffb7c80f0000 68???????? e8???????? 83c418 eb1f ffb7ec0f0000 ffb7e80f0000 }
		$sequence_2 = { ff75fc 894608 51 8b0e e8???????? 83c408 8bc6 }
		$sequence_3 = { 85c0 0f8553020000 53 57 56 e8???????? 83c40c }
		$sequence_4 = { 40 3bc1 72e1 6a02 56 68???????? e8???????? }
		$sequence_5 = { e9???????? 83fa18 7530 51 50 55 e8???????? }
		$sequence_6 = { ffb7d00c0000 e8???????? 8bd8 83c408 85db 75a6 f687740d000028 }
		$sequence_7 = { eb10 83f804 755e 807c244020 0f85130d0000 8b442418 8d0480 }
		$sequence_8 = { e8???????? 56 8b74240c 83becc00000000 0f85c6050000 ffb6c8000000 e8???????? }
		$sequence_9 = { 7c08 85c0 0f8334010000 8b16 8bc2 8b4e04 23c1 }

	condition:
		7 of them and filesize < 5134336
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ ffd0 8d442438 50 8d442440 50 8d8694050000 50 }
$sequence_1hex{ ffb7c80f0000 68???????? e8???????? 83c418 eb1f ffb7ec0f0000 ffb7e80f0000 }
$sequence_2hex{ ff75fc 894608 51 8b0e e8???????? 83c408 8bc6 }
$sequence_3hex{ 85c0 0f8553020000 53 57 56 e8???????? 83c40c }
$sequence_4hex{ 40 3bc1 72e1 6a02 56 68???????? e8???????? }
$sequence_5hex{ e9???????? 83fa18 7530 51 50 55 e8???????? }
$sequence_6hex{ ffb7d00c0000 e8???????? 8bd8 83c408 85db 75a6 f687740d000028 }
$sequence_7hex{ eb10 83f804 755e 807c244020 0f85130d0000 8b442418 8d0480 }
$sequence_8hex{ e8???????? 56 8b74240c 83becc00000000 0f85c6050000 ffb6c8000000 e8???????? }
$sequence_9hex{ 7c08 85c0 0f8334010000 8b16 8bc2 8b4e04 23c1 }

Condition

7 of them and filesize < 5134336

In plain words (Heuristic)

  • The file must be smaller than 5134336 (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: e7da9eda-62ee-5169-b7c4-de71276c945c

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