YARA · Malpedia signator rules
MALPEDIA_Win_Crat_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: Crat.
Sie definiert 18 Muster (0 Text, 18 Hex, 0 Regex).
Zusammenfassung aus den Metadaten und der Bedingung der Regel erzeugt.
Regelquelltext
rule MALPEDIA_Win_Crat_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "85307d05-5b0b-5d5c-9fc3-236ba5212662"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.crat"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.crat_auto.yar#L1-L178"
= "N/A"
= "af30d3bc359dc40a108feaa2eafde853c78f807e75d8cafbd55ff0880038dc9b"
= 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???????? 488bd0 488d8d28010000 e8???????? 90 }
$sequence_1 = { ebd0 498bc4 48833d????????10 480f4305???????? 482bc8 }
$sequence_2 = { 48f7c20000ffff 7523 0fb7fa 8bcf e8???????? 4885c0 7427 }
$sequence_3 = { e8???????? 488bc8 4885c0 7433 }
$sequence_4 = { e8???????? 488bd0 488d8de8000000 e8???????? 90 }
$sequence_5 = { e8???????? 488bd0 488d4d90 e8???????? 90 488bd0 }
$sequence_6 = { e8???????? 488bd0 488d8d88010000 e8???????? 90 }
$sequence_7 = { e8???????? 488bd0 488d8d78010000 e8???????? }
$sequence_8 = { ffd0 85c0 750f ff15???????? 83f87a }
$sequence_9 = { 33d2 c1e902 f7f1 eb02 }
$sequence_10 = { 52 8b01 ff5004 c645fc0b 8bcf 8b5658 83ea10 }
$sequence_11 = { 8b5648 83ea10 8d420c f00fc108 49 85c9 }
$sequence_12 = { e8???????? ffd0 8bf0 eb02 }
$sequence_13 = { e9???????? 8b45e4 8b4dd4 8945d8 }
$sequence_14 = { 8d49e8 47 897de4 8d0c48 894dd4 }
$sequence_15 = { c745fcffffffff 8b5608 83ea10 8d420c }
$sequence_16 = { c645fc00 8bcf 8b560c 83ea10 }
$sequence_17 = { 8bec 56 8bf1 57 837e0c00 751b }
condition:
7 of them and filesize < 4161536
}
Strings (18 Muster)
| Bezeichner | Typ | Wert | Modifikatoren |
|---|---|---|---|
| $sequence_0 | Hex | { e8???????? 488bd0 488d8d28010000 e8???????? 90 } | |
| $sequence_1 | Hex | { ebd0 498bc4 48833d????????10 480f4305???????? 482bc8 } | |
| $sequence_2 | Hex | { 48f7c20000ffff 7523 0fb7fa 8bcf e8???????? 4885c0 7427 } | |
| $sequence_3 | Hex | { e8???????? 488bc8 4885c0 7433 } | |
| $sequence_4 | Hex | { e8???????? 488bd0 488d8de8000000 e8???????? 90 } | |
| $sequence_5 | Hex | { e8???????? 488bd0 488d4d90 e8???????? 90 488bd0 } | |
| $sequence_6 | Hex | { e8???????? 488bd0 488d8d88010000 e8???????? 90 } | |
| $sequence_7 | Hex | { e8???????? 488bd0 488d8d78010000 e8???????? } | |
| $sequence_8 | Hex | { ffd0 85c0 750f ff15???????? 83f87a } | |
| $sequence_9 | Hex | { 33d2 c1e902 f7f1 eb02 } | |
| $sequence_10 | Hex | { 52 8b01 ff5004 c645fc0b 8bcf 8b5658 83ea10 } | |
| $sequence_11 | Hex | { 8b5648 83ea10 8d420c f00fc108 49 85c9 } | |
| $sequence_12 | Hex | { e8???????? ffd0 8bf0 eb02 } | |
| $sequence_13 | Hex | { e9???????? 8b45e4 8b4dd4 8945d8 } | |
| $sequence_14 | Hex | { 8d49e8 47 897de4 8d0c48 894dd4 } | |
| $sequence_15 | Hex | { c745fcffffffff 8b5608 83ea10 8d420c } | |
| $sequence_16 | Hex | { c645fc00 8bcf 8b560c 83ea10 } | |
| $sequence_17 | Hex | { 8bec 56 8bf1 57 837e0c00 751b } |
Bedingung
7 of them and filesize < 4161536In Worten (Heuristik)
- Die Datei muss kleiner als 4161536 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: 85307d05-5b0b-5d5c-9fc3-236ba5212662
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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