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MALPEDIA_Win_Flying_Dutchman_Auto

autogenerated rule brought to you by yara-signator

MalwareFlying DutchmanMalpedia 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: Flying Dutchman.

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

Summary generated from the rule's metadata and condition.

Rule source

win-flying-dutchman-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Flying_Dutchman_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "0ac30a60-6323-5b0c-8fb7-f9bbeecdfd88"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.flying_dutchman"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.flying_dutchman_auto.yar#L1-L124"
		license_url = "N/A"
		logic_hash = "74706c44c3976290693bb5463f888d6318b4843e7e24551960ce4b70ec88bc2e"
		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 = { 8bbd2cfdffff 89bd44fdffff 6a04 ff37 ffb534fdffff ff15???????? 898528fdffff }
		$sequence_1 = { 53 8bc6 8819 e8???????? 83ec1c 8bcc 89a554feffff }
		$sequence_2 = { 8db5b0fdffff e8???????? 6a01 8db578fdffff e8???????? 6a01 8db5ccfdffff }
		$sequence_3 = { 50 e8???????? 83c40c ffb578f9ffff 8d75c0 ffb574f9ffff e8???????? }
		$sequence_4 = { befe010000 56 53 8d85e6fdffff }
		$sequence_5 = { 51 50 50 c785f8feffff01000000 c785f0feffff06000000 }
		$sequence_6 = { 8b442414 03c3 50 e8???????? 83f8ff }
		$sequence_7 = { 8bf1 833eff 89442410 7411 bf00400000 57 }
		$sequence_8 = { 50 6a01 57 8d8560fdffff 50 6802000080 }
		$sequence_9 = { 81ec00030000 a1???????? 33c5 8945fc 8b4304 8b0b }

	condition:
		7 of them and filesize < 276480
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 8bbd2cfdffff 89bd44fdffff 6a04 ff37 ffb534fdffff ff15???????? 898528fdffff }
$sequence_1hex{ 53 8bc6 8819 e8???????? 83ec1c 8bcc 89a554feffff }
$sequence_2hex{ 8db5b0fdffff e8???????? 6a01 8db578fdffff e8???????? 6a01 8db5ccfdffff }
$sequence_3hex{ 50 e8???????? 83c40c ffb578f9ffff 8d75c0 ffb574f9ffff e8???????? }
$sequence_4hex{ befe010000 56 53 8d85e6fdffff }
$sequence_5hex{ 51 50 50 c785f8feffff01000000 c785f0feffff06000000 }
$sequence_6hex{ 8b442414 03c3 50 e8???????? 83f8ff }
$sequence_7hex{ 8bf1 833eff 89442410 7411 bf00400000 57 }
$sequence_8hex{ 50 6a01 57 8d8560fdffff 50 6802000080 }
$sequence_9hex{ 81ec00030000 a1???????? 33c5 8945fc 8b4304 8b0b }

Condition

7 of them and filesize < 276480

In plain words (Heuristic)

  • The file must be smaller than 276480 (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: 0ac30a60-6323-5b0c-8fb7-f9bbeecdfd88

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