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MALPEDIA_Win_Remy_Auto

autogenerated rule brought to you by yara-signator

MalwareRemyMalpedia 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: Remy.

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

Summary generated from the rule's metadata and condition.

Rule source

win-remy-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Remy_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "4fd49031-cc3c-54fe-bbeb-7fecb98a473f"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.remy"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.remy_auto.yar#L1-L128"
		license_url = "N/A"
		logic_hash = "05547b7ea61110404e982af5f60cdc55cc16ba8fc93ea7a1a41cb545e334bd46"
		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 = { 8985acfeffff 3bfb 0f8412020000 399db0feffff 0f8406020000 8bb5c4feffff 3bf3 }
		$sequence_1 = { 8985b0feffff 8d8d68ffffff 8d9540ffffff 898da8feffff 8995acfeffff 8d8510ffffff 8d4dc4 }
		$sequence_2 = { c745c40f000000 e8???????? 83ec1c c645fc04 8bf4 c746140f000000 }
		$sequence_3 = { 33c9 32d2 895c2460 e8???????? 83c40c 83f805 }
		$sequence_4 = { 8d4dd4 800127 41 3819 75f8 8bfa }
		$sequence_5 = { c745fcfeffffff eb7a 8d9648100000 2bc1 8902 8d4c3148 898e4c100000 }
		$sequence_6 = { 837d1c10 8b4508 7303 8d4508 8b4d18 51 50 }
		$sequence_7 = { e8???????? 83c404 891f 895f04 }
		$sequence_8 = { 8d443464 50 51 ff15???????? 3bc3 7e08 2bf8 }
		$sequence_9 = { c7459c493e472b c745a03e4a4e3e 66c745a44c4d c645a600 c745d030424721 c745d44d4d492b c745d83e3a3d1d }

	condition:
		7 of them and filesize < 507904
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 8985acfeffff 3bfb 0f8412020000 399db0feffff 0f8406020000 8bb5c4feffff 3bf3 }
$sequence_1hex{ 8985b0feffff 8d8d68ffffff 8d9540ffffff 898da8feffff 8995acfeffff 8d8510ffffff 8d4dc4 }
$sequence_2hex{ c745c40f000000 e8???????? 83ec1c c645fc04 8bf4 c746140f000000 }
$sequence_3hex{ 33c9 32d2 895c2460 e8???????? 83c40c 83f805 }
$sequence_4hex{ 8d4dd4 800127 41 3819 75f8 8bfa }
$sequence_5hex{ c745fcfeffffff eb7a 8d9648100000 2bc1 8902 8d4c3148 898e4c100000 }
$sequence_6hex{ 837d1c10 8b4508 7303 8d4508 8b4d18 51 50 }
$sequence_7hex{ e8???????? 83c404 891f 895f04 }
$sequence_8hex{ 8d443464 50 51 ff15???????? 3bc3 7e08 2bf8 }
$sequence_9hex{ c7459c493e472b c745a03e4a4e3e 66c745a44c4d c645a600 c745d030424721 c745d44d4d492b c745d83e3a3d1d }

Condition

7 of them and filesize < 507904

In plain words (Heuristic)

  • The file must be smaller than 507904 (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: 4fd49031-cc3c-54fe-bbeb-7fecb98a473f

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