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MALPEDIA_Win_Gophe_Auto

autogenerated rule brought to you by yara-signator

MalwareGopheMalpedia 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: Gophe.

It defines 16 patterns (0 text, 16 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

win-gophe-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Gophe_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "8e9321bd-61f1-5f79-ba42-b60c8ef3b2ea"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.gophe"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.gophe_auto.yar#L1-L155"
		license_url = "N/A"
		logic_hash = "fbec502bd60fccfae95bb152b1898b200d8a79611d87a22cedd265b39479bb10"
		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 = { 833902 0f94c0 84c0 7407 e8???????? }
		$sequence_1 = { c684249000000000 488b542440 488b4a10 668379300b }
		$sequence_2 = { 8907 6a20 e8???????? 8b4d08 }
		$sequence_3 = { 894104 418b01 894108 418b4104 }
		$sequence_4 = { 8b05???????? 85c0 0f85a9000000 4533c9 }
		$sequence_5 = { 894614 8b4614 85c0 740a }
		$sequence_6 = { c7000300150c 488b4210 c7400801000000 488b4210 }
		$sequence_7 = { b903400080 e8???????? cc 488b01 ff90a0000000 }
		$sequence_8 = { 8bd0 b9???????? 8a19 3a1a }
		$sequence_9 = { 837d0800 7507 b802000000 5d c3 33c0 }
		$sequence_10 = { 85c0 7509 b803000000 5d c20400 6683383c }
		$sequence_11 = { 83781408 7202 8b00 51 6a00 }
		$sequence_12 = { 894108 418b4104 89410c 4983f801 }
		$sequence_13 = { 8be5 5d c3 b896ffffff }
		$sequence_14 = { 57 68???????? c70605000000 e8???????? 68???????? 8bf8 }
		$sequence_15 = { 8901 418b4104 894104 418b01 }

	condition:
		7 of them and filesize < 1582080
}

Strings (16 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 833902 0f94c0 84c0 7407 e8???????? }
$sequence_1hex{ c684249000000000 488b542440 488b4a10 668379300b }
$sequence_2hex{ 8907 6a20 e8???????? 8b4d08 }
$sequence_3hex{ 894104 418b01 894108 418b4104 }
$sequence_4hex{ 8b05???????? 85c0 0f85a9000000 4533c9 }
$sequence_5hex{ 894614 8b4614 85c0 740a }
$sequence_6hex{ c7000300150c 488b4210 c7400801000000 488b4210 }
$sequence_7hex{ b903400080 e8???????? cc 488b01 ff90a0000000 }
$sequence_8hex{ 8bd0 b9???????? 8a19 3a1a }
$sequence_9hex{ 837d0800 7507 b802000000 5d c3 33c0 }
$sequence_10hex{ 85c0 7509 b803000000 5d c20400 6683383c }
$sequence_11hex{ 83781408 7202 8b00 51 6a00 }
$sequence_12hex{ 894108 418b4104 89410c 4983f801 }
$sequence_13hex{ 8be5 5d c3 b896ffffff }
$sequence_14hex{ 57 68???????? c70605000000 e8???????? 68???????? 8bf8 }
$sequence_15hex{ 8901 418b4104 894104 418b01 }

Condition

7 of them and filesize < 1582080

In plain words (Heuristic)

  • The file must be smaller than 1582080 (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: 8e9321bd-61f1-5f79-ba42-b60c8ef3b2ea

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