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PowerShell Mailbox Collection Script
editPowerShell Mailbox Collection Script
editDetects PowerShell scripts that can be used to collect data from mailboxes. Adversaries may target user email to collect sensitive information.
Rule type: query
Rule indices:
- winlogbeat-*
- logs-windows.*
Severity: medium
Risk score: 47
Runs every: 5m
Searches indices from: now-9m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
References:
Tags:
- Elastic
- Host
- Windows
- Threat Detection
- Collection
- PowerShell
Version: 1
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule query
editevent.category:process and
(
powershell.file.script_block_text : (
"Microsoft.Office.Interop.Outlook" or
"Interop.Outlook.olDefaultFolders" or
"::olFolderInBox"
) or
powershell.file.script_block_text : (
"Microsoft.Exchange.WebServices.Data.Folder" or
"Microsoft.Exchange.WebServices.Data.FileAttachment"
)
)
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Collection
- ID: TA0009
- Reference URL: https://attack.mitre.org/tactics/TA0009/
-
Technique:
- Name: Email Collection
- ID: T1114
- Reference URL: https://attack.mitre.org/techniques/T1114/
-
Sub-technique:
- Name: Local Email Collection
- ID: T1114.001
- Reference URL: https://attack.mitre.org/techniques/T1114/001/
-
Sub-technique:
- Name: Remote Email Collection
- ID: T1114.002
- Reference URL: https://attack.mitre.org/techniques/T1114/002/
-
Tactic:
- Name: Execution
- ID: TA0002
- Reference URL: https://attack.mitre.org/tactics/TA0002/
-
Technique:
- Name: Command and Scripting Interpreter
- ID: T1059
- Reference URL: https://attack.mitre.org/techniques/T1059/
-
Sub-technique:
- Name: PowerShell
- ID: T1059.001
- Reference URL: https://attack.mitre.org/techniques/T1059/001/