Updated Rule
Completed the following updates on the rule: - Modified the title - incremented 4 spaces for references and tags - updated false positives - updated author - updated description in detection section.
This commit is contained in:
+12
-12
@@ -1,15 +1,15 @@
|
||||
title: monitor executable and script files creation by Office applications, using file extensions and Magic Bytes (EDR).
|
||||
title: Executable and Files creation by Office Applications
|
||||
description: This rule will monitor executable and script file creation by office applications. Please add more file extentions or magic bytes to the logic of your choice.
|
||||
references:
|
||||
- https://thedfirreport.com/2021/03/29/sodinokibi-aka-revil-ransomware/
|
||||
- https://github.com/vadim-hunter/Detection-Ideas-Rules/blob/main/Threat%20Intelligence/The%20DFIR%20Report/20210329_Sodinokibi_(aka_REvil)_Ransomware.yaml
|
||||
author: "Idea by: Vadim Khrykov"
|
||||
- https://thedfirreport.com/2021/03/29/sodinokibi-aka-revil-ransomware/
|
||||
- https://github.com/vadim-hunter/Detection-Ideas-Rules/blob/main/Threat%20Intelligence/The%20DFIR%20Report/20210329_Sodinokibi_(aka_REvil)_Ransomware.yaml
|
||||
author: "Vadim Khrykov (ThreatIntel), Cyb3rEng (Rule)"
|
||||
tags:
|
||||
- attack.t1204.002
|
||||
- attack.t1047
|
||||
- attack.t1218.010
|
||||
- attack.execution
|
||||
- attack.defence_evasion
|
||||
- attack.t1204.002
|
||||
- attack.t1047
|
||||
- attack.t1218.010
|
||||
- attack.execution
|
||||
- attack.defence_evasion
|
||||
status: experimental
|
||||
Date: 2021/23/8
|
||||
logsource:
|
||||
@@ -17,7 +17,7 @@ logsource:
|
||||
service: Sysmon
|
||||
category: process_creation
|
||||
detection:
|
||||
description: Please add more file extentions and magic bytes to the logic of your choice.
|
||||
#useful_information: Please add more file extentions and magic bytes to the logic of your choice.
|
||||
selection1:
|
||||
EventType:
|
||||
- FileCreate
|
||||
@@ -45,5 +45,5 @@ detection:
|
||||
- "4D5A"
|
||||
condition: selection1 AND selection2 AND (selection3 OR selection4)
|
||||
falsepositives:
|
||||
- ""
|
||||
level: high
|
||||
- Unknown
|
||||
level: high
|
||||
|
||||
Reference in New Issue
Block a user