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MALPEDIA_Win_Ghole_Auto

autogenerated rule brought to you by yara-signator

MalwareGholeMalpedia 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: Ghole.

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

Summary generated from the rule's metadata and condition.

Rule source

win-ghole-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Ghole_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "195f2f13-9875-59d9-8fe8-8e0e76442b1d"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.ghole"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.ghole_auto.yar#L1-L132"
		license_url = "N/A"
		logic_hash = "6281a4d5e37d96a386d1124179345dc04e912430f57bcad1d91c88d2c8048205"
		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 = { 89c7 e8???????? 85c0 0f8484000000 48 8d8520fdffff }
		$sequence_1 = { 48 8b45e0 48 89de 48 89c7 e8???????? }
		$sequence_2 = { 8b8568feffff 48 8945e8 eb17 48 8b45e8 0fb600 }
		$sequence_3 = { 8b45f8 48 8b55f0 48 8910 48 8b45f8 }
		$sequence_4 = { 25ff000000 89c2 48 8d05b37c0000 0fb60402 0fb6c0 c1e008 }
		$sequence_5 = { 0f94c0 0fb6c0 c9 c3 55 48 89e5 }
		$sequence_6 = { 8b855cffffff 83c801 89855cffffff 66c78560ffffff0000 48 8b05???????? }
		$sequence_7 = { 8b45f8 48 8b4038 48 85c0 7429 48 }
		$sequence_8 = { 2500ff0000 31c1 8b45ec 25ff000000 89c0 48 8d148500000000 }
		$sequence_9 = { 89e0 48 83c00f 48 c1e804 48 c1e004 }

	condition:
		7 of them and filesize < 622592
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 89c7 e8???????? 85c0 0f8484000000 48 8d8520fdffff }
$sequence_1hex{ 48 8b45e0 48 89de 48 89c7 e8???????? }
$sequence_2hex{ 8b8568feffff 48 8945e8 eb17 48 8b45e8 0fb600 }
$sequence_3hex{ 8b45f8 48 8b55f0 48 8910 48 8b45f8 }
$sequence_4hex{ 25ff000000 89c2 48 8d05b37c0000 0fb60402 0fb6c0 c1e008 }
$sequence_5hex{ 0f94c0 0fb6c0 c9 c3 55 48 89e5 }
$sequence_6hex{ 8b855cffffff 83c801 89855cffffff 66c78560ffffff0000 48 8b05???????? }
$sequence_7hex{ 8b45f8 48 8b4038 48 85c0 7429 48 }
$sequence_8hex{ 2500ff0000 31c1 8b45ec 25ff000000 89c0 48 8d148500000000 }
$sequence_9hex{ 89e0 48 83c00f 48 c1e804 48 c1e004 }

Condition

7 of them and filesize < 622592

In plain words (Heuristic)

  • The file must be smaller than 622592 (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: 195f2f13-9875-59d9-8fe8-8e0e76442b1d

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