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MALPEDIA_Win_Shifu_Auto

autogenerated rule brought to you by yara-signator

MalwareShifuMalpedia 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: Shifu.

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

Summary generated from the rule's metadata and condition.

Rule source

win-shifu-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Shifu_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "c6732e45-69b6-5aa9-a3c3-afe85d22034b"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.shifu"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.shifu_auto.yar#L1-L133"
		license_url = "N/A"
		logic_hash = "459ce266282fc5d0a1b62f17f4b09a8a8f0527b9db5b7ce74fcd5dc6cff68d36"
		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 = { 8bf3 f3a5 8b4d08 898134010000 e9???????? b800000100 }
		$sequence_1 = { e8???????? 85c0 7415 ff35???????? 68???????? 68???????? e8???????? }
		$sequence_2 = { 0fb65906 33d8 23da c1e808 33049df8ce3602 0fb65907 33d8 }
		$sequence_3 = { 89430c 85c0 0f84b0030000 c16dfc0e 836d080e 83630800 c70304000000 }
		$sequence_4 = { 72ee 85c9 0f84dc000000 8bdf 894df4 8b45ec 803c0302 }
		$sequence_5 = { ff15???????? 85c0 745d 8b75f8 e8???????? 8945fc 3bc7 }
		$sequence_6 = { e8???????? 8b4d08 c1e110 03f1 85c0 751b 8d4508 }
		$sequence_7 = { 6a03 53 53 ff75f0 ff75e4 50 ff15???????? }
		$sequence_8 = { 33c0 5e c9 c20c00 55 8bec 85c9 }
		$sequence_9 = { ff15???????? 895e08 a1???????? 8906 c74604???????? 897004 57 }

	condition:
		7 of them and filesize < 344064
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 8bf3 f3a5 8b4d08 898134010000 e9???????? b800000100 }
$sequence_1hex{ e8???????? 85c0 7415 ff35???????? 68???????? 68???????? e8???????? }
$sequence_2hex{ 0fb65906 33d8 23da c1e808 33049df8ce3602 0fb65907 33d8 }
$sequence_3hex{ 89430c 85c0 0f84b0030000 c16dfc0e 836d080e 83630800 c70304000000 }
$sequence_4hex{ 72ee 85c9 0f84dc000000 8bdf 894df4 8b45ec 803c0302 }
$sequence_5hex{ ff15???????? 85c0 745d 8b75f8 e8???????? 8945fc 3bc7 }
$sequence_6hex{ e8???????? 8b4d08 c1e110 03f1 85c0 751b 8d4508 }
$sequence_7hex{ 6a03 53 53 ff75f0 ff75e4 50 ff15???????? }
$sequence_8hex{ 33c0 5e c9 c20c00 55 8bec 85c9 }
$sequence_9hex{ ff15???????? 895e08 a1???????? 8906 c74604???????? 897004 57 }

Condition

7 of them and filesize < 344064

In plain words (Heuristic)

  • The file must be smaller than 344064 (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: c6732e45-69b6-5aa9-a3c3-afe85d22034b

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