YARA · BlackBerry Research & Intelligence (via Open-Source-YARA-rules)
BLACKBERRY_Boratratkeylogger
Detects BoratRAT Keylogger
- Autor
- BlackBerry Threat Research Team
- Datum
- 2022-04-13
- Geändert
- 2022-07-07
- Score / Qualität
- 75 / 85
Was diese Regel erkennt
Detects BoratRAT Keylogger
Ziele: Windows-PE.
Sie definiert 6 Muster (5 Text, 1 Hex, 0 Regex).
YARA-X meldet: warning[text_as_hex]: hex pattern could be written as text literal
Zusammenfassung aus den Metadaten und der Bedingung der Regel erzeugt.
Regelquelltext
rule BLACKBERRY_Boratratkeylogger : FILE
{
meta:
= "Detects BoratRAT Keylogger"
= "BlackBerry Threat Research Team"
= "8bcec652-a76b-5bfc-bf2c-bb8ce6a88ed5"
= "2022-04-13"
= "2022-07-07"
= "https://blogs.blackberry.com/en/2022/04/threat-thursday-boratrat"
= "https://github.com/mikesxrs/Open-Source-YARA-rules/blob/ec0056f767db98bf6d5fd63877ad51fb54d350e9/Blackberry/BoratRATKeylogger.yar#L1-L39"
= "N/A"
= "ea3f39b675f02274b19b5732d065a0fcb05a4fe150f10a452a844af71b69aed2"
= 75
= 85
= "FILE"
= "This Yara rule is provided under the Apache License 2.0 (https://www.apache.org/licenses/LICENSE-2.0) and open to any user or organization, as long as you use it under this license and ensure originator credit in any derivative to The BlackBerry Research & Intelligence Team"
strings:
$s1 = "Sa8XOfH1BudXLog.txt" wide
$s2 = "[CAPSLOCK: ON]" wide
$s3 = "[CAPSLOCK: OFF]" wide
$s4 = "[SPACE]" wide
$s5 = "[ENTER]" wide
$sp = { 43 3A 5C 55 73 65 72 73 5C 41 64 6D 69 6E 69 73 74 72 61 74 6F 72 5C
44 6F 77 6E 6C 6F 61 64 73 5C 53 61 6E 74 61 52 61 74 2D 6D 61 69 6E
5C 42 69 6E 61 72 69 65 73 5C 52 65 6C 65 61 73 65 5C 50 6C 75 67 69
6E 73 5C 4B 65 79 6C 6F 67 67 65 72 2E 70 64 62 }
condition:
uint16( 0 ) == 0x5a4d and all of them
}
Strings (6 Muster)
| Bezeichner | Typ | Wert | Modifikatoren |
|---|---|---|---|
| $s1 | Text | "Sa8XOfH1BudXLog.txt" | wide |
| $s2 | Text | "[CAPSLOCK: ON]" | wide |
| $s3 | Text | "[CAPSLOCK: OFF]" | wide |
| $s4 | Text | "[SPACE]" | wide |
| $s5 | Text | "[ENTER]" | wide |
| $sp | Hex | { 43 3A 5C 55 73 65 72 73 5C 41 64 6D 69 6E 69 73 74 72 61 74 6F 72 5C 44 6F 77 6E 6C 6F 61 64 73 5C 53 61 6E 74 61 52 61 74 2D 6D 61 69 6E … |
Bedingung
uint16( 0 ) == 0x5a4d and all of themIn Worten (Heuristik)
- Die Datei muss mit „MZ“ beginnen — eine Windows-Programmdatei (PE).
- Alle 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: BlackBerry Threat Research Team
Quell-Repository: BlackBerry Research & Intelligence (via Open-Source-YARA-rules) @ ec0056f767
Lizenz: Apache License 2.0 (in den Metadaten der Regel angegeben)
“This Yara rule is provided under the Apache License 2.0 (https://www.apache.org/licenses/LICENSE-2.0) and open to any user or organization, as long as you use it under this license and ensure originator credit in any derivative to The BlackBerry Research & Intelligence Team”
Gespiegelt über YARA Forge 20260927, das Regelnamen mit der Quelle präfixiert und normalisierte Meta-Felder ergänzt.
Regel-ID: 8bcec652-a76b-5bfc-bf2c-bb8ce6a88ed5
Tags:FILE
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