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:
Cyb3rEng
2021-08-31 22:28:34 -06:00
committed by GitHub
parent e0e1396dff
commit 470d64e66c
@@ -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