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MALPEDIA_Win_Ghost_Secret_Auto

autogenerated rule brought to you by yara-signator

MalwareGhost SecretMalpedia 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: Ghost Secret.

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

Summary generated from the rule's metadata and condition.

Rule source

win-ghost-secret-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Ghost_Secret_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "bd0d63e2-7d86-5f53-8145-6864c57b7635"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.ghost_secret"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.ghost_secret_auto.yar#L1-L127"
		license_url = "N/A"
		logic_hash = "53de7f86819415b8d8bfe9d6c1c8278a3f27d8aea023f90af25ee0b0b93326eb"
		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 = { 33ed 8b4c2410 8b94241c080000 6a00 51 }
		$sequence_1 = { c68424850000005e c684248600000002 c68424870000005a c6842488000000f0 c6842489000000f8 888c248a000000 c684248b00000031 }
		$sequence_2 = { 8bc8 53 83e103 f3a4 8d4c2410 51 e8???????? }
		$sequence_3 = { 50 56 ff15???????? 8d8c2434030000 6a0e 51 a3???????? }
		$sequence_4 = { 8d9424d4010000 6a0d 52 a3???????? e8???????? 83c408 50 }
		$sequence_5 = { c1ea18 c1e008 0bd0 8bc2 8996c4d34100 }
		$sequence_6 = { c644242553 c6442426ba c644242758 c64424280e c6442429b7 c644242a1a c644242b0a }
		$sequence_7 = { c68424400400006c c68424410400006c c684244204000075 889c2443040000 c68424d00000004e c68424d10000004a c68424d200000058 }
		$sequence_8 = { 6a10 50 56 ff15???????? 8b4f04 8d542408 52 }
		$sequence_9 = { 5b 83c408 c20800 8b542414 }

	condition:
		7 of them and filesize < 278528
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 33ed 8b4c2410 8b94241c080000 6a00 51 }
$sequence_1hex{ c68424850000005e c684248600000002 c68424870000005a c6842488000000f0 c6842489000000f8 888c248a000000 c684248b00000031 }
$sequence_2hex{ 8bc8 53 83e103 f3a4 8d4c2410 51 e8???????? }
$sequence_3hex{ 50 56 ff15???????? 8d8c2434030000 6a0e 51 a3???????? }
$sequence_4hex{ 8d9424d4010000 6a0d 52 a3???????? e8???????? 83c408 50 }
$sequence_5hex{ c1ea18 c1e008 0bd0 8bc2 8996c4d34100 }
$sequence_6hex{ c644242553 c6442426ba c644242758 c64424280e c6442429b7 c644242a1a c644242b0a }
$sequence_7hex{ c68424400400006c c68424410400006c c684244204000075 889c2443040000 c68424d00000004e c68424d10000004a c68424d200000058 }
$sequence_8hex{ 6a10 50 56 ff15???????? 8b4f04 8d542408 52 }
$sequence_9hex{ 5b 83c408 c20800 8b542414 }

Condition

7 of them and filesize < 278528

In plain words (Heuristic)

  • The file must be smaller than 278528 (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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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: bd0d63e2-7d86-5f53-8145-6864c57b7635

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