YARA · Malpedia signator rules
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:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "2a5f5fe2-ab9c-5c41-be4f-9b6b018b74d0"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.taurus_stealer"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.taurus_stealer_auto.yar#L1-L133"
= "N/A"
= "d0d73505b52153a6343ebe8c9be606e9d2b92f54c6137df45a43aa1dca8ac963"
= 75
= 75
= "FILE"
= "1"
= "yara-signator v0.6.0"
= "callsandjumps;datarefs;binvalue"
= "20260422"
= "a182e35da64e6d71cb55f125c4d4225196523f14"
= "20260504"
= "CC BY-SA 4.0"
= "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)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 7510 8b5644 8b0e e8???????? 57 e9???????? 8b8e60020000 } | |
| $sequence_1 | hex | { c745fb2e646c6c 885dff 8bcb 891e c7460401fa5607 0fbec0 250f000080 } | |
| $sequence_2 | hex | { 8d84244c100000 50 8d8c246c110000 e8???????? 8d8c2460110000 e8???????? 0f2805???????? } | |
| $sequence_3 | hex | { e8???????? 8d8dd8feffff e8???????? 43 899d68ffffff 3b9d6cffffff 0f8cdef9ffff } | |
| $sequence_4 | hex | { 8d45f4 50 e8???????? 50 8d45b8 50 e8???????? } | |
| $sequence_5 | hex | { 66c745fa2900 8bcb 0fbec0 250f000080 7905 48 83c8f0 } | |
| $sequence_6 | hex | { 8d8d60ffffff e8???????? 8d8d18ffffff e8???????? 8d8d00ffffff e8???????? } | |
| $sequence_7 | hex | { ffd0 85c0 0f8566020000 33db 895dd8 395dd0 0f8643020000 } | |
| $sequence_8 | hex | { c645b621 8855b7 66c745b8213c 885dba 304c05b1 40 83f809 } | |
| $sequence_9 | hex | { 8b4604 2b06 99 f7f9 8945e0 bfc3c3c303 3bc7 } |
Condition
7 of them and filesize < 524288In 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
Drop a file to scan it with this rule using YARA-X compiled to WebAssembly. Nothing is uploaded.
Drop a file here or click to chooseScanned locally with YARA-X. Files up to 200 MB.
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)
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
| 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 |
Tags:FILE
Related rules
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04