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MALPEDIA_Win_Hawkball_Auto

autogenerated rule brought to you by yara-signator

MalwareHawkballMalpedia 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: Hawkball.

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

Summary generated from the rule's metadata and condition.

Rule source

win-hawkball-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Hawkball_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "5a4c26b4-67cf-5654-9417-85a039cc4de7"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.hawkball"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.hawkball_auto.yar#L1-L122"
		license_url = "N/A"
		logic_hash = "1c4ae0e608fcad935ce5aa1c02cb8c9772f11b713d4df1193a7f08b35349b7d5"
		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 = { 50 8d45b4 50 ff15???????? 8d85e4fcffff 50 }
		$sequence_1 = { ff15???????? 8d48fe 83f902 775d 8806 8d45f8 }
		$sequence_2 = { 85c0 740e 894344 8d4324 }
		$sequence_3 = { 57 8b3d???????? 85ff 7468 ff37 }
		$sequence_4 = { e8???????? 85c0 74c1 6a0a 8d55fc e8???????? 8bd8 }
		$sequence_5 = { ff15???????? 8bf0 53 895e05 8d4e09 8b5df8 }
		$sequence_6 = { f7d8 5b 8be5 5d c3 5e 5f }
		$sequence_7 = { 837dfc00 751d 33d2 b943000000 e8???????? 8b4df8 e8???????? }
		$sequence_8 = { 50 ff15???????? 8b55f8 8b4dfc }
		$sequence_9 = { 8be5 5d c3 6a59 ff15???????? 85c0 }

	condition:
		7 of them and filesize < 229376
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 50 8d45b4 50 ff15???????? 8d85e4fcffff 50 }
$sequence_1hex{ ff15???????? 8d48fe 83f902 775d 8806 8d45f8 }
$sequence_2hex{ 85c0 740e 894344 8d4324 }
$sequence_3hex{ 57 8b3d???????? 85ff 7468 ff37 }
$sequence_4hex{ e8???????? 85c0 74c1 6a0a 8d55fc e8???????? 8bd8 }
$sequence_5hex{ ff15???????? 8bf0 53 895e05 8d4e09 8b5df8 }
$sequence_6hex{ f7d8 5b 8be5 5d c3 5e 5f }
$sequence_7hex{ 837dfc00 751d 33d2 b943000000 e8???????? 8b4df8 e8???????? }
$sequence_8hex{ 50 ff15???????? 8b55f8 8b4dfc }
$sequence_9hex{ 8be5 5d c3 6a59 ff15???????? 85c0 }

Condition

7 of them and filesize < 229376

In plain words (Heuristic)

  • The file must be smaller than 229376 (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: 5a4c26b4-67cf-5654-9417-85a039cc4de7

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