53 lines
1.5 KiB
YAML
53 lines
1.5 KiB
YAML
|
|
title: Execution from Suspicious Folder
|
|
ruletype: Sigma
|
|
author: Florian Roth
|
|
date: 2019/01/16
|
|
description: Detects a suspicious execution from an uncommon folder
|
|
detection:
|
|
SELECTION_1:
|
|
EventID: 1
|
|
SELECTION_2:
|
|
Image:
|
|
- '*\$Recycle.bin\\*'
|
|
- '*\config\systemprofile\\*'
|
|
- '*\Intel\Logs\\*'
|
|
- '*\RSA\MachineKeys\\*'
|
|
- '*\Users\All Users\\*'
|
|
- '*\Users\Default\\*'
|
|
- '*\Users\NetworkService\\*'
|
|
- '*\Users\Public\\*'
|
|
- '*\Windows\addins\\*'
|
|
- '*\Windows\debug\\*'
|
|
- '*\Windows\Fonts\\*'
|
|
- '*\Windows\Help\\*'
|
|
- '*\Windows\IME\\*'
|
|
- '*\Windows\Media\\*'
|
|
- '*\Windows\repair\\*'
|
|
- '*\Windows\security\\*'
|
|
- '*\Windows\System32\Tasks\\*'
|
|
- '*\Windows\Tasks\\*'
|
|
SELECTION_3:
|
|
Image: C:\Perflogs\\*
|
|
condition: (SELECTION_1 and (SELECTION_2 or SELECTION_3))
|
|
falsepositives:
|
|
- Unknown
|
|
fields:
|
|
- CommandLine
|
|
- ParentCommandLine
|
|
id: 3dfd06d2-eaf4-4532-9555-68aca59f57c4
|
|
level: high
|
|
logsource:
|
|
category: process_creation
|
|
product: windows
|
|
modified: 2021/03/31
|
|
references:
|
|
- https://github.com/mbevilacqua/appcompatprocessor/blob/master/AppCompatSearch.txt
|
|
- https://www.secureworks.com/research/bronze-butler-targets-japanese-businesses
|
|
- https://www.crowdstrike.com/resources/reports/2019-crowdstrike-global-threat-report/
|
|
- https://github.com/ThreatHuntingProject/ThreatHunting/blob/master/hunts/suspicious_process_creation_via_windows_event_logs.md
|
|
status: experimental
|
|
tags:
|
|
- attack.defense_evasion
|
|
- attack.t1036
|