YARA · Malpedia signator rules
MALPEDIA_Win_Tarsip_Auto
autogenerated rule brought to you by yara-signator
- 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: Tarsip.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-tarsip-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Tarsip_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "c10eeba8-cd9e-54e7-a8c0-793f44e9ab8d"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.tarsip"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.tarsip_auto.yar#L1-L127"
= "N/A"
= "e4f1edc7f5ac879ec18dc16f773b536d35530d5470f74bca35d4b4c37d0dbe98"
= 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 = { 51 e8???????? 83c40c 85c0 7511 8d8c248c8e0000 e8???????? }
$sequence_1 = { 51 e8???????? 8d9424a4000000 52 55 e8???????? 83c408 }
$sequence_2 = { 52 ba???????? 8bcf e8???????? 8d8424ac000000 50 e8???????? }
$sequence_3 = { 0fb60f 0fb602 2bc8 7531 83fe01 7638 0fb64f01 }
$sequence_4 = { 889c2478010000 83fe10 7209 57 e8???????? 83c404 8d542430 }
$sequence_5 = { 7e5c 8d0440 99 2bc2 8bf8 d1ff 81c700040000 }
$sequence_6 = { e8???????? 83c40c 889c2478010000 83fe10 7209 }
$sequence_7 = { 8d8c244c840000 51 8d542430 8bc5 c744243040000000 }
$sequence_8 = { 83c107 83e1f8 894c2410 0f848a000000 53 50 }
$sequence_9 = { 55 8d8601060000 6a30 50 68???????? }
condition:
7 of them and filesize < 360448
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 51 e8???????? 83c40c 85c0 7511 8d8c248c8e0000 e8???????? } | |
| $sequence_1 | hex | { 51 e8???????? 8d9424a4000000 52 55 e8???????? 83c408 } | |
| $sequence_2 | hex | { 52 ba???????? 8bcf e8???????? 8d8424ac000000 50 e8???????? } | |
| $sequence_3 | hex | { 0fb60f 0fb602 2bc8 7531 83fe01 7638 0fb64f01 } | |
| $sequence_4 | hex | { 889c2478010000 83fe10 7209 57 e8???????? 83c404 8d542430 } | |
| $sequence_5 | hex | { 7e5c 8d0440 99 2bc2 8bf8 d1ff 81c700040000 } | |
| $sequence_6 | hex | { e8???????? 83c40c 889c2478010000 83fe10 7209 } | |
| $sequence_7 | hex | { 8d8c244c840000 51 8d542430 8bc5 c744243040000000 } | |
| $sequence_8 | hex | { 83c107 83e1f8 894c2410 0f848a000000 53 50 } | |
| $sequence_9 | hex | { 55 8d8601060000 6a30 50 68???????? } |
Condition
7 of them and filesize < 360448In plain words (Heuristic)
- The file must be smaller than 360448 (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: c10eeba8-cd9e-54e7-a8c0-793f44e9ab8d
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