YARA · Malpedia signator rules
MALPEDIA_Win_Tropidoor_Auto
autogenerated rule brought to you by yara-signator
MalwareTropidoorMalpedia 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: Tropidoor.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-tropidoor-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Tropidoor_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "ffe1a294-ea4c-57ba-a27c-8431b3acddd9"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.tropidoor"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.tropidoor_auto.yar#L1-L134"
= "N/A"
= "8f65e16d0371ac7f428566001d7f8566fb848fcd04bef1ac66b2c183fb096312"
= 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 = { 75f6 488d95e0010000 488bce e8???????? 488d0d90330900 ff15???????? 4c8bf0 }
$sequence_1 = { 48c7c3ffffffff 488945a0 e9???????? 498b06 48c7c3ffffffff 488945a8 e9???????? }
$sequence_2 = { 66314c458a 48ffc0 4883f817 7306 0fb74d88 ebec 488b05???????? }
$sequence_3 = { ffd0 85c0 743f 4c8d054beb0800 488d85100f0000 6683bd100f000000 4c0f45c0 }
$sequence_4 = { c74424605d005700 c744246475006700 c744246874005000 c744246c63006f00 c744247067005f00 6689742474 0fb705???????? }
$sequence_5 = { 488b4c2440 488d4590 4889442428 4c8d4d94 488d85f0030000 4533c0 488d159f440900 }
$sequence_6 = { 48895c2448 4d8bf1 498bf0 448bfb 4c8d6bff f30f7f442450 4c8b642450 }
$sequence_7 = { ffd0 85c0 7418 0f104558 0f1186a8000000 f20f104d68 f20f118eb8000000 }
$sequence_8 = { e8???????? 42c6043300 eb13 4c89742420 4d8bcf 498bd6 488bce }
$sequence_9 = { 0f8446010000 4889742440 488d85b0030000 4489642438 4c8d85a0010000 488d4d90 4889442420 }
condition:
7 of them and filesize < 1826816
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 75f6 488d95e0010000 488bce e8???????? 488d0d90330900 ff15???????? 4c8bf0 } | |
| $sequence_1 | hex | { 48c7c3ffffffff 488945a0 e9???????? 498b06 48c7c3ffffffff 488945a8 e9???????? } | |
| $sequence_2 | hex | { 66314c458a 48ffc0 4883f817 7306 0fb74d88 ebec 488b05???????? } | |
| $sequence_3 | hex | { ffd0 85c0 743f 4c8d054beb0800 488d85100f0000 6683bd100f000000 4c0f45c0 } | |
| $sequence_4 | hex | { c74424605d005700 c744246475006700 c744246874005000 c744246c63006f00 c744247067005f00 6689742474 0fb705???????? } | |
| $sequence_5 | hex | { 488b4c2440 488d4590 4889442428 4c8d4d94 488d85f0030000 4533c0 488d159f440900 } | |
| $sequence_6 | hex | { 48895c2448 4d8bf1 498bf0 448bfb 4c8d6bff f30f7f442450 4c8b642450 } | |
| $sequence_7 | hex | { ffd0 85c0 7418 0f104558 0f1186a8000000 f20f104d68 f20f118eb8000000 } | |
| $sequence_8 | hex | { e8???????? 42c6043300 eb13 4c89742420 4d8bcf 498bd6 488bce } | |
| $sequence_9 | hex | { 0f8446010000 4889742440 488d85b0030000 4489642438 4c8d85a0010000 488d4d90 4889442420 } |
Condition
7 of them and filesize < 1826816In plain words (Heuristic)
- The file must be smaller than 1826816 (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: ffe1a294-ea4c-57ba-a27c-8431b3acddd9
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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