YARA · Malpedia signator rules
MALPEDIA_Win_Crytox_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: Crytox.
Sie definiert 10 Muster (0 Text, 10 Hex, 0 Regex).
Zusammenfassung aus den Metadaten und der Bedingung der Regel erzeugt.
Regelquelltext
rule MALPEDIA_Win_Crytox_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "750e8534-4dcc-5f53-8e93-9c2caa2cd5fa"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.crytox"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.crytox_auto.yar#L1-L134"
= "N/A"
= "625cd8ec00382ded383a379bc4203346a875e5cc99a859a19bf6d57c77001f77"
= 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???????? 8d5640 8d4320 896c2404 891424 89442408 8954241c }
$sequence_1 = { f20f70daff 660ffde0 660ffdd8 660f67e4 660f67db 660f7e20 660f7e1c08 }
$sequence_2 = { df0448 d8cd dec1 df0450 8b9424d4000000 d8cb dec1 }
$sequence_3 = { e8???????? 8d742600 ff15???????? bfffffffff c70016000000 ebca ff15???????? }
$sequence_4 = { dddc ddd8 ddd8 ddd8 d9c9 db7c2430 d91424 }
$sequence_5 = { dec1 d95c247c e8???????? d9c0 d9fa dbe8 d944242c }
$sequence_6 = { d835???????? b40c 6689442424 dec9 d96c2424 db5c2420 d96c2426 }
$sequence_7 = { e8???????? 8b4310 8b6b0c 83f807 89442418 89c7 0f8efe000000 }
$sequence_8 = { e8???????? 85c0 0f8583010000 e8???????? 83f804 7e14 c7442404b0966600 }
$sequence_9 = { e8???????? d99c9e98000000 83c301 83fb04 75c6 d94704 30db }
condition:
7 of them and filesize < 6156288
}
Strings (10 Muster)
| Bezeichner | Typ | Wert | Modifikatoren |
|---|---|---|---|
| $sequence_0 | Hex | { e8???????? 8d5640 8d4320 896c2404 891424 89442408 8954241c } | |
| $sequence_1 | Hex | { f20f70daff 660ffde0 660ffdd8 660f67e4 660f67db 660f7e20 660f7e1c08 } | |
| $sequence_2 | Hex | { df0448 d8cd dec1 df0450 8b9424d4000000 d8cb dec1 } | |
| $sequence_3 | Hex | { e8???????? 8d742600 ff15???????? bfffffffff c70016000000 ebca ff15???????? } | |
| $sequence_4 | Hex | { dddc ddd8 ddd8 ddd8 d9c9 db7c2430 d91424 } | |
| $sequence_5 | Hex | { dec1 d95c247c e8???????? d9c0 d9fa dbe8 d944242c } | |
| $sequence_6 | Hex | { d835???????? b40c 6689442424 dec9 d96c2424 db5c2420 d96c2426 } | |
| $sequence_7 | Hex | { e8???????? 8b4310 8b6b0c 83f807 89442418 89c7 0f8efe000000 } | |
| $sequence_8 | Hex | { e8???????? 85c0 0f8583010000 e8???????? 83f804 7e14 c7442404b0966600 } | |
| $sequence_9 | Hex | { e8???????? d99c9e98000000 83c301 83fb04 75c6 d94704 30db } |
Bedingung
7 of them and filesize < 6156288In Worten (Heuristik)
- Die Datei muss kleiner als 6156288 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: 750e8534-4dcc-5f53-8e93-9c2caa2cd5fa
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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