YARA · Malpedia signator rules
MALPEDIA_Win_Tor_Loader_Auto
autogenerated rule brought to you by yara-signator
MalwareTor LoaderMalpedia 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: Tor Loader.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-tor-loader-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Tor_Loader_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "f571352d-fc66-5a66-ba46-fe3c570d3248"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.tor_loader"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.tor_loader_auto.yar#L1-L134"
= "N/A"
= "c2d848c7e05d939cb93f16e650363df5751636d1df031ac1756188062f0ee650"
= 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 = { e8???????? 488d05943d2200 488b5c2438 488d0dc4b92700 bf12000000 0f1f00 e8???????? }
$sequence_1 = { e8???????? 488b4c2478 4889c8 0f1f00 e8???????? 488b6c2468 4883c470 }
$sequence_2 = { eb20 4889c7 488d059d9a1500 e8???????? 488d3d3c073c00 488b442420 e8???????? }
$sequence_3 = { eba7 0fb64c2413 84c9 0f94c0 eb9b e8???????? 488d058c4d2c00 }
$sequence_4 = { e8???????? 4889c1 488d05b1323200 440f11bc24a0000000 4889842490000000 48898c2498000000 0fb674242f }
$sequence_5 = { 833d????????00 7519 488b9424e8000000 48895068 488b942400010000 4885d2 eb1f }
$sequence_6 = { eb05 e8???????? 488d055ece0700 e8???????? 48c7400802000000 48c78424c003000002000000 48c78424c803000002000000 }
$sequence_7 = { eb4c 4c8ba424f8000000 4d89e5 4d89fc 4c8bbc2488000000 4c89a42490000000 4d85e4 }
$sequence_8 = { eb10 4889c7 488b9424c8000000 e8???????? 31db 488d0d830a2100 4889c7 }
$sequence_9 = { 8b44242c e8???????? 488d0df2910d00 48894c2470 4889442478 488b4c2430 0f1f00 }
condition:
7 of them and filesize < 13050880
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { e8???????? 488d05943d2200 488b5c2438 488d0dc4b92700 bf12000000 0f1f00 e8???????? } | |
| $sequence_1 | hex | { e8???????? 488b4c2478 4889c8 0f1f00 e8???????? 488b6c2468 4883c470 } | |
| $sequence_2 | hex | { eb20 4889c7 488d059d9a1500 e8???????? 488d3d3c073c00 488b442420 e8???????? } | |
| $sequence_3 | hex | { eba7 0fb64c2413 84c9 0f94c0 eb9b e8???????? 488d058c4d2c00 } | |
| $sequence_4 | hex | { e8???????? 4889c1 488d05b1323200 440f11bc24a0000000 4889842490000000 48898c2498000000 0fb674242f } | |
| $sequence_5 | hex | { 833d????????00 7519 488b9424e8000000 48895068 488b942400010000 4885d2 eb1f } | |
| $sequence_6 | hex | { eb05 e8???????? 488d055ece0700 e8???????? 48c7400802000000 48c78424c003000002000000 48c78424c803000002000000 } | |
| $sequence_7 | hex | { eb4c 4c8ba424f8000000 4d89e5 4d89fc 4c8bbc2488000000 4c89a42490000000 4d85e4 } | |
| $sequence_8 | hex | { eb10 4889c7 488b9424c8000000 e8???????? 31db 488d0d830a2100 4889c7 } | |
| $sequence_9 | hex | { 8b44242c e8???????? 488d0df2910d00 48894c2470 4889442478 488b4c2430 0f1f00 } |
Condition
7 of them and filesize < 13050880In plain words (Heuristic)
- The file must be smaller than 13050880 (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.
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: f571352d-fc66-5a66-ba46-fe3c570d3248
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
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