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MALPEDIA_Win_Doubleback_Auto

autogenerated rule brought to you by yara-signator

MalwareDoublebackMalpedia 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: Doubleback.

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

Summary generated from the rule's metadata and condition.

Rule source

win-doubleback-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Doubleback_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "accfd98a-95e6-5d78-8a91-86c1649ee32f"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.doubleback"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.doubleback_auto.yar#L1-L118"
		license_url = "N/A"
		logic_hash = "b96df0b0c7f3353e72c4ad79211ff5cce481a2dae1949bcbadfd8f41ef95e991"
		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 = { eb42 b9e3050000 eb3b b90b070000 }
		$sequence_1 = { 755e b9ad060000 eb57 b9a7060000 eb50 b947060000 eb49 }
		$sequence_2 = { 3d00280000 7438 3d5a290000 742a 3d39380000 741c }
		$sequence_3 = { 7438 3d5a290000 742a 3d39380000 741c 3dd73a0000 }
		$sequence_4 = { b9d4070000 eb13 b975070000 eb0c b96f070000 eb05 b911070000 }
		$sequence_5 = { 3d00280000 7438 3d5a290000 742a }
		$sequence_6 = { b9e3050000 eb3b b90b070000 eb34 2d63450000 }
		$sequence_7 = { 3dab3f0000 755e b9ad060000 eb57 b9a7060000 }
		$sequence_8 = { eb50 b947060000 eb49 b9e7050000 eb42 b9e3050000 }
		$sequence_9 = { 742a 3d39380000 741c 3dd73a0000 }

	condition:
		7 of them and filesize < 106496
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ eb42 b9e3050000 eb3b b90b070000 }
$sequence_1hex{ 755e b9ad060000 eb57 b9a7060000 eb50 b947060000 eb49 }
$sequence_2hex{ 3d00280000 7438 3d5a290000 742a 3d39380000 741c }
$sequence_3hex{ 7438 3d5a290000 742a 3d39380000 741c 3dd73a0000 }
$sequence_4hex{ b9d4070000 eb13 b975070000 eb0c b96f070000 eb05 b911070000 }
$sequence_5hex{ 3d00280000 7438 3d5a290000 742a }
$sequence_6hex{ b9e3050000 eb3b b90b070000 eb34 2d63450000 }
$sequence_7hex{ 3dab3f0000 755e b9ad060000 eb57 b9a7060000 }
$sequence_8hex{ eb50 b947060000 eb49 b9e7050000 eb42 b9e3050000 }
$sequence_9hex{ 742a 3d39380000 741c 3dd73a0000 }

Condition

7 of them and filesize < 106496

In plain words (Heuristic)

  • The file must be smaller than 106496 (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: accfd98a-95e6-5d78-8a91-86c1649ee32f

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