YARA · Malpedia signator rules
MALPEDIA_Win_Isr_Stealer_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: Isr Stealer.
Sie definiert 10 Muster (0 Text, 10 Hex, 0 Regex).
Zusammenfassung aus den Metadaten und der Bedingung der Regel erzeugt.
Regelquelltext
rule MALPEDIA_Win_Isr_Stealer_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "f92134ff-d8ee-58cb-8cb8-468d7205306f"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.isr_stealer"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.isr_stealer_auto.yar#L1-L120"
= "N/A"
= "75691989209029cb7a637cf5df87a857ef3ef18b6fe3194f56cba1ecab86658c"
= 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 = { fb b05e 2bc1 e8???????? 661e }
$sequence_1 = { 08ac22c115978d 0e e8???????? 07 }
$sequence_2 = { 1c8b 53 2456 2bd1 807e6543 }
$sequence_3 = { 46 1e 301b 15c2c8c807 d6 12d8 }
$sequence_4 = { 8d16 b205 07 d32cb6 08ac22c115978d 0e e8???????? }
$sequence_5 = { a7 8d16 b205 07 d32cb6 08ac22c115978d }
$sequence_6 = { 07 fb b05e 2bc1 e8???????? }
$sequence_7 = { 8d16 b205 07 d32cb6 08ac22c115978d 0e }
$sequence_8 = { 07 d32cb6 08ac22c115978d 0e e8???????? }
$sequence_9 = { e8???????? 07 fb b05e 2bc1 e8???????? 661e }
condition:
7 of them and filesize < 540672
}
Strings (10 Muster)
| Bezeichner | Typ | Wert | Modifikatoren |
|---|---|---|---|
| $sequence_0 | Hex | { fb b05e 2bc1 e8???????? 661e } | |
| $sequence_1 | Hex | { 08ac22c115978d 0e e8???????? 07 } | |
| $sequence_2 | Hex | { 1c8b 53 2456 2bd1 807e6543 } | |
| $sequence_3 | Hex | { 46 1e 301b 15c2c8c807 d6 12d8 } | |
| $sequence_4 | Hex | { 8d16 b205 07 d32cb6 08ac22c115978d 0e e8???????? } | |
| $sequence_5 | Hex | { a7 8d16 b205 07 d32cb6 08ac22c115978d } | |
| $sequence_6 | Hex | { 07 fb b05e 2bc1 e8???????? } | |
| $sequence_7 | Hex | { 8d16 b205 07 d32cb6 08ac22c115978d 0e } | |
| $sequence_8 | Hex | { 07 d32cb6 08ac22c115978d 0e e8???????? } | |
| $sequence_9 | Hex | { e8???????? 07 fb b05e 2bc1 e8???????? 661e } |
Bedingung
7 of them and filesize < 540672In Worten (Heuristik)
- Die Datei muss kleiner als 540672 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: f92134ff-d8ee-58cb-8cb8-468d7205306f
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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