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MALPEDIA_Win_Darkside_Auto

autogenerated rule brought to you by yara-signator

MalwareDarkSideMalpedia 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: DarkSide.

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

Summary generated from the rule's metadata and condition.

Rule source

win-darkside-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Darkside_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "db2cdd3c-5e22-5c22-ae3f-7b575bd4e0a8"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.darkside"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.darkside_auto.yar#L1-L118"
		license_url = "N/A"
		logic_hash = "f2169ec34857b2fed3d7cb22b0d61cf468a6b46d49e423c1793b76420663486f"
		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 = { eb06 33db fec1 75d2 5f }
		$sequence_1 = { 59 5b 5d c20c00 55 }
		$sequence_2 = { 89540e0c 89440e08 895c0e04 893c0e 81ea10101010 2d10101010 }
		$sequence_3 = { 57 8b7d08 8b450c b9ff000000 33d2 }
		$sequence_4 = { 33db fec1 75d2 5f 5e }
		$sequence_5 = { 895c0e04 893c0e 81ea10101010 2d10101010 81eb10101010 81ef10101010 83e910 }
		$sequence_6 = { 4b 85db 75ea 85d2 7407 52 }
		$sequence_7 = { 8b4508 8b10 8b5804 8b7808 }
		$sequence_8 = { 81c7ff000000 4b 85db 75ea 85d2 7407 52 }
		$sequence_9 = { 85d2 7407 52 57 }

	condition:
		7 of them and filesize < 286720
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ eb06 33db fec1 75d2 5f }
$sequence_1hex{ 59 5b 5d c20c00 55 }
$sequence_2hex{ 89540e0c 89440e08 895c0e04 893c0e 81ea10101010 2d10101010 }
$sequence_3hex{ 57 8b7d08 8b450c b9ff000000 33d2 }
$sequence_4hex{ 33db fec1 75d2 5f 5e }
$sequence_5hex{ 895c0e04 893c0e 81ea10101010 2d10101010 81eb10101010 81ef10101010 83e910 }
$sequence_6hex{ 4b 85db 75ea 85d2 7407 52 }
$sequence_7hex{ 8b4508 8b10 8b5804 8b7808 }
$sequence_8hex{ 81c7ff000000 4b 85db 75ea 85d2 7407 52 }
$sequence_9hex{ 85d2 7407 52 57 }

Condition

7 of them and filesize < 286720

In plain words (Heuristic)

  • The file must be smaller than 286720 (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: db2cdd3c-5e22-5c22-ae3f-7b575bd4e0a8

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

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