YARA · Malpedia signator rules
MALPEDIA_Win_Tapaoux_Auto
autogenerated rule brought to you by yara-signator
MalwareTapaouxMalpedia 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: Tapaoux.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-tapaoux-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Tapaoux_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "7ae16ee2-650b-5beb-859e-6b9f61b4dfa1"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.tapaoux"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.tapaoux_auto.yar#L1-L126"
= "N/A"
= "bc8c850a2b8a5df6e802bde689c4216d3506b61e30c3fb9113456f3d91d70717"
= 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 = { 85c9 a3???????? 7411 8b0d???????? }
$sequence_1 = { 8b8c2498000000 c6040f00 5f 5e 5d 5b 81c484000000 }
$sequence_2 = { f3a5 8bcd 83e103 f3a4 8d7c2430 83c9ff 8d9424b0000000 }
$sequence_3 = { 75d5 53 ff15???????? 5e 8bc7 5d 5f }
$sequence_4 = { 8d8c24d8060000 50 51 57 e8???????? 85c0 7517 }
$sequence_5 = { 50 51 e8???????? 8bf0 83c40c 85f6 0f8452010000 }
$sequence_6 = { 8b44240c 8b542404 8b4c2408 50 8b4204 51 8b4808 }
$sequence_7 = { 85c0 0f848c000000 6a0e 8d442414 }
$sequence_8 = { 5d b8fcffffff 5b 81c4c40e0000 c3 8b442414 8d542410 }
$sequence_9 = { 8bf0 83c418 85f6 0f8430010000 56 }
condition:
7 of them and filesize < 292864
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 85c9 a3???????? 7411 8b0d???????? } | |
| $sequence_1 | hex | { 8b8c2498000000 c6040f00 5f 5e 5d 5b 81c484000000 } | |
| $sequence_2 | hex | { f3a5 8bcd 83e103 f3a4 8d7c2430 83c9ff 8d9424b0000000 } | |
| $sequence_3 | hex | { 75d5 53 ff15???????? 5e 8bc7 5d 5f } | |
| $sequence_4 | hex | { 8d8c24d8060000 50 51 57 e8???????? 85c0 7517 } | |
| $sequence_5 | hex | { 50 51 e8???????? 8bf0 83c40c 85f6 0f8452010000 } | |
| $sequence_6 | hex | { 8b44240c 8b542404 8b4c2408 50 8b4204 51 8b4808 } | |
| $sequence_7 | hex | { 85c0 0f848c000000 6a0e 8d442414 } | |
| $sequence_8 | hex | { 5d b8fcffffff 5b 81c4c40e0000 c3 8b442414 8d542410 } | |
| $sequence_9 | hex | { 8bf0 83c418 85f6 0f8430010000 56 } |
Condition
7 of them and filesize < 292864In plain words (Heuristic)
- The file must be smaller than 292864 (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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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: 7ae16ee2-650b-5beb-859e-6b9f61b4dfa1
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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