YARA · Malpedia signator rules
MALPEDIA_Win_Curlback_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: Curlback.
Sie definiert 10 Muster (0 Text, 10 Hex, 0 Regex).
Zusammenfassung aus den Metadaten und der Bedingung der Regel erzeugt.
Regelquelltext
rule MALPEDIA_Win_Curlback_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "d6d6897b-eaad-5866-a449-2154cbb73a9e"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.curlback"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.curlback_auto.yar#L1-L134"
= "N/A"
= "a2000e34bded4627be734821f7818e1114b6a48a81b23babb34d1004e983f3a6"
= 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???????? 85c0 75a4 490137 39833c010000 0f8578ffffff 498bce }
$sequence_1 = { 482bc1 4883c0f8 4883f81f 7710 e8???????? 488bc3 4883c450 }
$sequence_2 = { 740f 488d0d656c0c00 498909 e9???????? 0fb6871a130000 83f805 772b }
$sequence_3 = { e8???????? 488d05820d0000 48c74338c0d40100 48898390000000 4c8dbbb8000000 488d0595050000 498bd5 }
$sequence_4 = { 7415 ba01000000 488bcd e8???????? 418bf6 e9???????? 4038b1510a0000 }
$sequence_5 = { ff15???????? 488bd8 4885c0 743c 48895b10 488d0510da0d00 488903 }
$sequence_6 = { 488d8b580c0000 e8???????? 4d8bc7 488d15f48b0a00 488d4d98 e8???????? 8bf8 }
$sequence_7 = { e8???????? 488bf8 4885c0 758b 488b7c2460 4885db 7427 }
$sequence_8 = { d3e8 49895008 4189401c 0fb60a 83e10f 4a0fbe840990a81200 428a8c09a0a81200 }
$sequence_9 = { 75ba 488b0b e8???????? 488b4b18 e8???????? 488d4b30 e8???????? }
condition:
7 of them and filesize < 4027392
}
Strings (10 Muster)
| Bezeichner | Typ | Wert | Modifikatoren |
|---|---|---|---|
| $sequence_0 | Hex | { e8???????? 85c0 75a4 490137 39833c010000 0f8578ffffff 498bce } | |
| $sequence_1 | Hex | { 482bc1 4883c0f8 4883f81f 7710 e8???????? 488bc3 4883c450 } | |
| $sequence_2 | Hex | { 740f 488d0d656c0c00 498909 e9???????? 0fb6871a130000 83f805 772b } | |
| $sequence_3 | Hex | { e8???????? 488d05820d0000 48c74338c0d40100 48898390000000 4c8dbbb8000000 488d0595050000 498bd5 } | |
| $sequence_4 | Hex | { 7415 ba01000000 488bcd e8???????? 418bf6 e9???????? 4038b1510a0000 } | |
| $sequence_5 | Hex | { ff15???????? 488bd8 4885c0 743c 48895b10 488d0510da0d00 488903 } | |
| $sequence_6 | Hex | { 488d8b580c0000 e8???????? 4d8bc7 488d15f48b0a00 488d4d98 e8???????? 8bf8 } | |
| $sequence_7 | Hex | { e8???????? 488bf8 4885c0 758b 488b7c2460 4885db 7427 } | |
| $sequence_8 | Hex | { d3e8 49895008 4189401c 0fb60a 83e10f 4a0fbe840990a81200 428a8c09a0a81200 } | |
| $sequence_9 | Hex | { 75ba 488b0b e8???????? 488b4b18 e8???????? 488d4b30 e8???????? } |
Bedingung
7 of them and filesize < 4027392In Worten (Heuristik)
- Die Datei muss kleiner als 4027392 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: d6d6897b-eaad-5866-a449-2154cbb73a9e
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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