YARA · Malpedia signator rules
MALPEDIA_Win_Rokrat_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: Rokrat.
Sie definiert 16 Muster (0 Text, 16 Hex, 0 Regex).
Zusammenfassung aus den Metadaten und der Bedingung der Regel erzeugt.
Regelquelltext
rule MALPEDIA_Win_Rokrat_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "45d209f1-21c7-5333-8499-20e5f04e72a3"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.rokrat"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.rokrat_auto.yar#L1-L160"
= "N/A"
= "33fd0151c91e3dd62a334a078049239bcae0d7df9bb05b06ddc91a4d060e74c4"
= 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 = { 50 e8???????? 8d8ef4000000 8d4538 3bc8 }
$sequence_1 = { 50 e8???????? 8d8e0c010000 8d4550 3bc8 }
$sequence_2 = { 50 8bcf e8???????? 8d4538 3bd8 }
$sequence_3 = { 68???????? e8???????? 837e1408 7204 8b06 eb02 8bc6 }
$sequence_4 = { 668945c0 e8???????? c645fc03 8b45bc 83f808 }
$sequence_5 = { 6a00 50 8bcb e8???????? 8d4550 }
$sequence_6 = { 50 ff15???????? e8???????? 40 50 }
$sequence_7 = { 0fb74208 c1e910 51 50 0fb74212 }
$sequence_8 = { 50 e8???????? 8d4568 8d4e60 }
$sequence_9 = { ff15???????? 50 e8???????? 59 6a64 }
$sequence_10 = { 897dfc e8???????? 68???????? 8d4dd8 }
$sequence_11 = { 89442410 3beb 7420 68830a0000 }
$sequence_12 = { 89442410 3d00010000 7620 68bd0b0000 }
$sequence_13 = { 89442410 3beb 7435 f6870001000080 }
$sequence_14 = { 89442410 41 83f904 894c2414 }
$sequence_15 = { 89442410 3bea 742e f7870001000000010000 7519 68cc080000 68???????? }
condition:
7 of them and filesize < 2932736
}
Strings (16 Muster)
| Bezeichner | Typ | Wert | Modifikatoren |
|---|---|---|---|
| $sequence_0 | Hex | { 50 e8???????? 8d8ef4000000 8d4538 3bc8 } | |
| $sequence_1 | Hex | { 50 e8???????? 8d8e0c010000 8d4550 3bc8 } | |
| $sequence_2 | Hex | { 50 8bcf e8???????? 8d4538 3bd8 } | |
| $sequence_3 | Hex | { 68???????? e8???????? 837e1408 7204 8b06 eb02 8bc6 } | |
| $sequence_4 | Hex | { 668945c0 e8???????? c645fc03 8b45bc 83f808 } | |
| $sequence_5 | Hex | { 6a00 50 8bcb e8???????? 8d4550 } | |
| $sequence_6 | Hex | { 50 ff15???????? e8???????? 40 50 } | |
| $sequence_7 | Hex | { 0fb74208 c1e910 51 50 0fb74212 } | |
| $sequence_8 | Hex | { 50 e8???????? 8d4568 8d4e60 } | |
| $sequence_9 | Hex | { ff15???????? 50 e8???????? 59 6a64 } | |
| $sequence_10 | Hex | { 897dfc e8???????? 68???????? 8d4dd8 } | |
| $sequence_11 | Hex | { 89442410 3beb 7420 68830a0000 } | |
| $sequence_12 | Hex | { 89442410 3d00010000 7620 68bd0b0000 } | |
| $sequence_13 | Hex | { 89442410 3beb 7435 f6870001000080 } | |
| $sequence_14 | Hex | { 89442410 41 83f904 894c2414 } | |
| $sequence_15 | Hex | { 89442410 3bea 742e f7870001000000010000 7519 68cc080000 68???????? } |
Bedingung
7 of them and filesize < 2932736In Worten (Heuristik)
- Die Datei muss kleiner als 2932736 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: 45d209f1-21c7-5333-8499-20e5f04e72a3
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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