YARA · Malpedia signator rules
MALPEDIA_Win_Beast_Auto
autogenerated rule brought to you by yara-signator
- Autor
- Felix Bilstein - yara-signator at cocacoding dot com
- Datum
- 2026-05-04
- Geändert
- 2026-05-18
- Score / Qualität
- 75 / 75
Was diese Regel erkennt
autogenerated rule brought to you by yara-signator
Zugehörige Malware-Familie: Beast.
Sie definiert 10 Muster (0 Text, 10 Hex, 0 Regex).
Zusammenfassung aus den Metadaten und der Bedingung der Regel erzeugt.
Regelquelltext
rule MALPEDIA_Win_Beast_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "d914f9f4-6d02-5995-8691-12d109b9048f"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.beast"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.beast_auto.yar#L1-L134"
= "N/A"
= "8c032fa2be13beeba9324234662f5be61f2a18a7ee3115f943ef626f84a68e88"
= 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 = { 8b74243c 33c0 50 8d442418 50 ffb424bc040000 ff36 }
$sequence_1 = { 83fa17 72ea 885c242b c64424387b c644243908 c644243a7c c644243b08 }
$sequence_2 = { 8b4e04 ba???????? e8???????? 59 8bc3 5f 5e }
$sequence_3 = { 8b442424 0423 8844244b 8b442424 0424 346f 8844244c }
$sequence_4 = { 0f84c8000000 48 83e801 0f8486010000 48 83e801 0f840d010000 }
$sequence_5 = { 33b1373e5000 8b4c2420 c1e910 0fb6c9 c1e104 8b542444 33b9323e5000 }
$sequence_6 = { 8884249c000000 8b44247c 041d 8884249d000000 8b44247c 041e 3465 }
$sequence_7 = { 85c0 0f8471030000 83f826 7603 6a26 58 0fb60c854e6c5000 }
$sequence_8 = { 56 8b35???????? 50 ffd6 8d0c4502000000 e8???????? 57 }
$sequence_9 = { 330c8550a84f00 894c2424 8b4c241c 8b742424 0fb6c1 c1e908 0fb6c9 }
condition:
7 of them and filesize < 2411520
}
Strings (10 Muster)
| Bezeichner | Typ | Wert | Modifikatoren |
|---|---|---|---|
| $sequence_0 | Hex | { 8b74243c 33c0 50 8d442418 50 ffb424bc040000 ff36 } | |
| $sequence_1 | Hex | { 83fa17 72ea 885c242b c64424387b c644243908 c644243a7c c644243b08 } | |
| $sequence_2 | Hex | { 8b4e04 ba???????? e8???????? 59 8bc3 5f 5e } | |
| $sequence_3 | Hex | { 8b442424 0423 8844244b 8b442424 0424 346f 8844244c } | |
| $sequence_4 | Hex | { 0f84c8000000 48 83e801 0f8486010000 48 83e801 0f840d010000 } | |
| $sequence_5 | Hex | { 33b1373e5000 8b4c2420 c1e910 0fb6c9 c1e104 8b542444 33b9323e5000 } | |
| $sequence_6 | Hex | { 8884249c000000 8b44247c 041d 8884249d000000 8b44247c 041e 3465 } | |
| $sequence_7 | Hex | { 85c0 0f8471030000 83f826 7603 6a26 58 0fb60c854e6c5000 } | |
| $sequence_8 | Hex | { 56 8b35???????? 50 ffd6 8d0c4502000000 e8???????? 57 } | |
| $sequence_9 | Hex | { 330c8550a84f00 894c2424 8b4c241c 8b742424 0fb6c1 c1e908 0fb6c9 } |
Bedingung
7 of them and filesize < 2411520In Worten (Heuristik)
- Die Datei muss kleiner als 2411520 sein (eine günstige Grenze, die große Dateien ausschließt).
- Mindestens 7 Muster aus der Regel müssen treffen.
Diese Regel im Browser testen
Legen Sie eine Datei ab, um sie mit dieser Regel und YARA-X als WebAssembly zu scannen. Nichts wird hochgeladen.
Lizenz & Namensnennung
Autor: Felix Bilstein - yara-signator at cocacoding dot com
Quell-Repository: Malpedia signator rules @ c901f97b7d
Lizenz: Creative Commons Attribution-ShareAlike 4.0 (Repository-Lizenz)
Gespiegelt über YARA Forge 20260927, das Regelnamen mit der Quelle präfixiert und normalisierte Meta-Felder ergänzt.
Regel-ID: d914f9f4-6d02-5995-8691-12d109b9048f
Metadaten
| 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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