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MALPEDIA_Win_Taintedscribe_Auto

autogenerated rule brought to you by yara-signator

MalwareTaintedscribeMalpedia 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: Taintedscribe.

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

Summary generated from the rule's metadata and condition.

Rule source

win-taintedscribe-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Taintedscribe_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "87648f3d-18fe-5762-8343-189a5c1f00dd"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.taintedscribe"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.taintedscribe_auto.yar#L1-L118"
		license_url = "N/A"
		logic_hash = "6c4f3c9416e33b444a5b9632d600c2427da852f4c9d6eaaf37da3c4b768d4feb"
		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 = { c785a0fbffff01000000 53 eb61 e8???????? 33c9 668908 83c002 }
		$sequence_1 = { 5e 8be5 5d c20800 c7460c00000001 }
		$sequence_2 = { 8908 85db 743b 8b55d8 8b45d4 52 }
		$sequence_3 = { 8b4b50 0f94c0 807b1400 899584fbffff 898d8cfbffff }
		$sequence_4 = { 57 754c e8???????? 8bf0 }
		$sequence_5 = { 8b4dcc 894308 8b45d0 50 }
		$sequence_6 = { 885e60 895e58 895e50 895e70 895e54 3bc3 750b }
		$sequence_7 = { 8b7508 898650af0100 899648af0100 899644af0100 89964caf0100 }
		$sequence_8 = { 52 8d45b8 50 ffd7 8b458c }
		$sequence_9 = { bb01000000 d3e3 33c0 85db 7e1e 8d4900 }

	condition:
		7 of them and filesize < 524288
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ c785a0fbffff01000000 53 eb61 e8???????? 33c9 668908 83c002 }
$sequence_1hex{ 5e 8be5 5d c20800 c7460c00000001 }
$sequence_2hex{ 8908 85db 743b 8b55d8 8b45d4 52 }
$sequence_3hex{ 8b4b50 0f94c0 807b1400 899584fbffff 898d8cfbffff }
$sequence_4hex{ 57 754c e8???????? 8bf0 }
$sequence_5hex{ 8b4dcc 894308 8b45d0 50 }
$sequence_6hex{ 885e60 895e58 895e50 895e70 895e54 3bc3 750b }
$sequence_7hex{ 8b7508 898650af0100 899648af0100 899644af0100 89964caf0100 }
$sequence_8hex{ 52 8d45b8 50 ffd7 8b458c }
$sequence_9hex{ bb01000000 d3e3 33c0 85db 7e1e 8d4900 }

Condition

7 of them and filesize < 524288

In plain words (Heuristic)

  • The file must be smaller than 524288 (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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Drop a file here or click to chooseScanned locally with YARA-X. Files up to 200 MB.

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: 87648f3d-18fe-5762-8343-189a5c1f00dd

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