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MALPEDIA_Win_Havoc_Auto

autogenerated rule brought to you by yara-signator

Hack toolHavocMalpedia 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: Havoc.

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

Summary generated from the rule's metadata and condition.

Rule source

win-havoc-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Havoc_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "5c9a5c6e-7119-5672-9d7d-68e09256b0ee"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.havoc"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.havoc_auto.yar#L1-L117"
		license_url = "N/A"
		logic_hash = "3c6ad302b235fd674b56883bc66d46b6d6860824c99911a7dfd5d00f6ea0425a"
		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 = { 488b3b 48b84f6c654175743332 4889442430 e8???????? }
		$sequence_1 = { 53 4c89c3 4883ec40 4983782200 488b2d???????? 4889542478 }
		$sequence_2 = { 8a4c2435 8a442431 884c2431 8a4c2439 884c2435 8a4c243d 8844243d }
		$sequence_3 = { 41b914000008 f3ab 488b05???????? b901000000 488b00 }
		$sequence_4 = { 488b8424c8000000 4889442430 488d442458 4889442420 e8???????? 4883c478 5b }
		$sequence_5 = { ff5010 488d65c8 5b 5e }
		$sequence_6 = { 4c39e0 7e07 31c0 e9???????? 8901 }
		$sequence_7 = { 53 448a0402 44880401 448a440201 }
		$sequence_8 = { 4889d7 ba38000000 56 4489ce 53 4489c3 4883ec20 }
		$sequence_9 = { 4183e920 6bc021 450fb6c9 49ffc2 }

	condition:
		7 of them and filesize < 164864
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 488b3b 48b84f6c654175743332 4889442430 e8???????? }
$sequence_1hex{ 53 4c89c3 4883ec40 4983782200 488b2d???????? 4889542478 }
$sequence_2hex{ 8a4c2435 8a442431 884c2431 8a4c2439 884c2435 8a4c243d 8844243d }
$sequence_3hex{ 41b914000008 f3ab 488b05???????? b901000000 488b00 }
$sequence_4hex{ 488b8424c8000000 4889442430 488d442458 4889442420 e8???????? 4883c478 5b }
$sequence_5hex{ ff5010 488d65c8 5b 5e }
$sequence_6hex{ 4c39e0 7e07 31c0 e9???????? 8901 }
$sequence_7hex{ 53 448a0402 44880401 448a440201 }
$sequence_8hex{ 4889d7 ba38000000 56 4489ce 53 4489c3 4883ec20 }
$sequence_9hex{ 4183e920 6bc021 450fb6c9 49ffc2 }

Condition

7 of them and filesize < 164864

In plain words (Heuristic)

  • The file must be smaller than 164864 (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: 5c9a5c6e-7119-5672-9d7d-68e09256b0ee

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

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