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MALPEDIA_Win_Chinoxy_Auto

autogenerated rule brought to you by yara-signator

MalwareChinoxyMalpedia 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: Chinoxy.

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

Summary generated from the rule's metadata and condition.

Rule source

win-chinoxy-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Chinoxy_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "852bdd8e-b44a-553a-b64a-e5e8e2d636f8"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.chinoxy"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.chinoxy_auto.yar#L1-L121"
		license_url = "N/A"
		logic_hash = "e2910771856e90d209ab1e8ac8adc6268d284b1a2b1866fb6f57b7a5d4bc03d1"
		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 = { 8be8 8b0b 85c9 7406 }
		$sequence_1 = { 3bc7 7415 8b4610 89460c 8b4008 894610 }
		$sequence_2 = { 7411 8bcf e8???????? 5f 5e 5d 5b }
		$sequence_3 = { 7456 8b4e0c 6a00 8bc1 68???????? 2bc6 }
		$sequence_4 = { 2bc6 33f8 03f1 8bef 8bc5 2bcd }
		$sequence_5 = { 03de 2bc6 89442418 8be8 e9???????? }
		$sequence_6 = { 03ac99480c0000 8b5928 33eb 33db 33c5 89442414 }
		$sequence_7 = { 57 ff15???????? 8b4c2418 5f 5e 5d 5b }
		$sequence_8 = { aa 8d842470010000 6804010000 50 }
		$sequence_9 = { e8???????? 85db 897e54 740a 83c304 53 }

	condition:
		7 of them and filesize < 1138688
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 8be8 8b0b 85c9 7406 }
$sequence_1hex{ 3bc7 7415 8b4610 89460c 8b4008 894610 }
$sequence_2hex{ 7411 8bcf e8???????? 5f 5e 5d 5b }
$sequence_3hex{ 7456 8b4e0c 6a00 8bc1 68???????? 2bc6 }
$sequence_4hex{ 2bc6 33f8 03f1 8bef 8bc5 2bcd }
$sequence_5hex{ 03de 2bc6 89442418 8be8 e9???????? }
$sequence_6hex{ 03ac99480c0000 8b5928 33eb 33db 33c5 89442414 }
$sequence_7hex{ 57 ff15???????? 8b4c2418 5f 5e 5d 5b }
$sequence_8hex{ aa 8d842470010000 6804010000 50 }
$sequence_9hex{ e8???????? 85db 897e54 740a 83c304 53 }

Condition

7 of them and filesize < 1138688

In plain words (Heuristic)

  • The file must be smaller than 1138688 (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: 852bdd8e-b44a-553a-b64a-e5e8e2d636f8

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