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MALPEDIA_Win_Taurus_Stealer_Auto

autogenerated rule brought to you by yara-signator

MalwareTaurus StealerMalpedia 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: Taurus Stealer.

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

Summary generated from the rule's metadata and condition.

Rule source

win-taurus-stealer-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Taurus_Stealer_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "2a5f5fe2-ab9c-5c41-be4f-9b6b018b74d0"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.taurus_stealer"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.taurus_stealer_auto.yar#L1-L133"
		license_url = "N/A"
		logic_hash = "d0d73505b52153a6343ebe8c9be606e9d2b92f54c6137df45a43aa1dca8ac963"
		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 = { 7510 8b5644 8b0e e8???????? 57 e9???????? 8b8e60020000 }
		$sequence_1 = { c745fb2e646c6c 885dff 8bcb 891e c7460401fa5607 0fbec0 250f000080 }
		$sequence_2 = { 8d84244c100000 50 8d8c246c110000 e8???????? 8d8c2460110000 e8???????? 0f2805???????? }
		$sequence_3 = { e8???????? 8d8dd8feffff e8???????? 43 899d68ffffff 3b9d6cffffff 0f8cdef9ffff }
		$sequence_4 = { 8d45f4 50 e8???????? 50 8d45b8 50 e8???????? }
		$sequence_5 = { 66c745fa2900 8bcb 0fbec0 250f000080 7905 48 83c8f0 }
		$sequence_6 = { 8d8d60ffffff e8???????? 8d8d18ffffff e8???????? 8d8d00ffffff e8???????? }
		$sequence_7 = { ffd0 85c0 0f8566020000 33db 895dd8 395dd0 0f8643020000 }
		$sequence_8 = { c645b621 8855b7 66c745b8213c 885dba 304c05b1 40 83f809 }
		$sequence_9 = { 8b4604 2b06 99 f7f9 8945e0 bfc3c3c303 3bc7 }

	condition:
		7 of them and filesize < 524288
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 7510 8b5644 8b0e e8???????? 57 e9???????? 8b8e60020000 }
$sequence_1hex{ c745fb2e646c6c 885dff 8bcb 891e c7460401fa5607 0fbec0 250f000080 }
$sequence_2hex{ 8d84244c100000 50 8d8c246c110000 e8???????? 8d8c2460110000 e8???????? 0f2805???????? }
$sequence_3hex{ e8???????? 8d8dd8feffff e8???????? 43 899d68ffffff 3b9d6cffffff 0f8cdef9ffff }
$sequence_4hex{ 8d45f4 50 e8???????? 50 8d45b8 50 e8???????? }
$sequence_5hex{ 66c745fa2900 8bcb 0fbec0 250f000080 7905 48 83c8f0 }
$sequence_6hex{ 8d8d60ffffff e8???????? 8d8d18ffffff e8???????? 8d8d00ffffff e8???????? }
$sequence_7hex{ ffd0 85c0 0f8566020000 33db 895dd8 395dd0 0f8643020000 }
$sequence_8hex{ c645b621 8855b7 66c745b8213c 885dba 304c05b1 40 83f809 }
$sequence_9hex{ 8b4604 2b06 99 f7f9 8945e0 bfc3c3c303 3bc7 }

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.

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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: 2a5f5fe2-ab9c-5c41-be4f-9b6b018b74d0

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