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MALPEDIA_Win_Troldesh_Auto

autogenerated rule brought to you by yara-signator

MalwareTroldeshMalpedia 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: Troldesh.

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

Summary generated from the rule's metadata and condition.

Rule source

win-troldesh-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Troldesh_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "aa1dada1-fc44-5c70-8e7a-a41829817c8c"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.troldesh"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.troldesh_auto.yar#L1-L134"
		license_url = "N/A"
		logic_hash = "bc8750f369e8305d26b619f7fd06da2c5ab432759328596ab4de07b78e838e98"
		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 = { ff742404 8b54240c 2bc1 d1f8 8bc8 e8???????? c20800 }
		$sequence_1 = { e8???????? 83bed001000000 8bf8 740b 8b4508 832000 e9???????? }
		$sequence_2 = { e9???????? 68???????? e8???????? 8b869c000000 8b4014 c1e804 f7d0 }
		$sequence_3 = { eb0e 6a26 b989000000 eb05 6a26 6a43 59 }
		$sequence_4 = { eb61 8b4758 39b018040000 7510 f7870001000000000400 0f8445010000 8b87e4000000 }
		$sequence_5 = { e8???????? 59 397dbc 7415 68???????? e8???????? 59 }
		$sequence_6 = { e8???????? 8bf8 47 68bf010000 8bf7 68???????? c1e602 }
		$sequence_7 = { e8???????? ffb000020000 8b45e0 2b4748 8d75fc 50 8d45cc }
		$sequence_8 = { eb02 8bcb 57 51 e8???????? 8b7d0c 83c404 }
		$sequence_9 = { e8???????? 59 85c0 7427 68???????? 68???????? 68e2020000 }

	condition:
		7 of them and filesize < 3915776
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ ff742404 8b54240c 2bc1 d1f8 8bc8 e8???????? c20800 }
$sequence_1hex{ e8???????? 83bed001000000 8bf8 740b 8b4508 832000 e9???????? }
$sequence_2hex{ e9???????? 68???????? e8???????? 8b869c000000 8b4014 c1e804 f7d0 }
$sequence_3hex{ eb0e 6a26 b989000000 eb05 6a26 6a43 59 }
$sequence_4hex{ eb61 8b4758 39b018040000 7510 f7870001000000000400 0f8445010000 8b87e4000000 }
$sequence_5hex{ e8???????? 59 397dbc 7415 68???????? e8???????? 59 }
$sequence_6hex{ e8???????? 8bf8 47 68bf010000 8bf7 68???????? c1e602 }
$sequence_7hex{ e8???????? ffb000020000 8b45e0 2b4748 8d75fc 50 8d45cc }
$sequence_8hex{ eb02 8bcb 57 51 e8???????? 8b7d0c 83c404 }
$sequence_9hex{ e8???????? 59 85c0 7427 68???????? 68???????? 68e2020000 }

Condition

7 of them and filesize < 3915776

In plain words (Heuristic)

  • The file must be smaller than 3915776 (a cheap guard that skips large files).
  • At least 7 patterns in the rule must match.

Test this rule in your browser

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Open in editor

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: aa1dada1-fc44-5c70-8e7a-a41829817c8c

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