Files
hayabusa/rules/Sigma/win_susp_execution_path.yml
2021-11-14 11:00:56 +09:00

76 lines
2.4 KiB
YAML

title: Execution from Suspicious Folder
author: Florian Roth
date: 2019/01/16
description: Detects a suspicious execution from an uncommon folder
detection:
SELECTION_1:
EventID: 1
SELECTION_10:
Image: '*\Windows\addins\\*'
SELECTION_11:
Image: '*\Windows\debug\\*'
SELECTION_12:
Image: '*\Windows\Fonts\\*'
SELECTION_13:
Image: '*\Windows\Help\\*'
SELECTION_14:
Image: '*\Windows\IME\\*'
SELECTION_15:
Image: '*\Windows\Media\\*'
SELECTION_16:
Image: '*\Windows\repair\\*'
SELECTION_17:
Image: '*\Windows\security\\*'
SELECTION_18:
Image: '*\Windows\system32\config\systemprofile\\*'
SELECTION_19:
Image: '*\Windows\System32\Tasks\\*'
SELECTION_2:
Image: '*\$Recycle.bin\\*'
SELECTION_20:
Image: '*\Windows\Tasks\\*'
SELECTION_21:
Image: C:\Perflogs\\*
SELECTION_3:
Image: '*\config\systemprofile\\*'
SELECTION_4:
Image: '*\Intel\Logs\\*'
SELECTION_5:
Image: '*\RSA\MachineKeys\\*'
SELECTION_6:
Image: '*\Users\All Users\\*'
SELECTION_7:
Image: '*\Users\Default\\*'
SELECTION_8:
Image: '*\Users\NetworkService\\*'
SELECTION_9:
Image: '*\Users\Public\\*'
condition: (SELECTION_1 and ((SELECTION_2 or SELECTION_3 or SELECTION_4 or SELECTION_5
or SELECTION_6 or SELECTION_7 or SELECTION_8 or SELECTION_9 or SELECTION_10
or SELECTION_11 or SELECTION_12 or SELECTION_13 or SELECTION_14 or SELECTION_15
or SELECTION_16 or SELECTION_17 or SELECTION_18 or SELECTION_19 or SELECTION_20)
or SELECTION_21))
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
yml_filename: win_susp_execution_path.yml
yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/process_creation