lateral_movement_posh_winrm_activity.toml

[metadata]
creation_date = "2023/07/12"
integration = ["windows"]
maturity = "production"
min_stack_comments = "Breaking change at 8.14.0 for the Windows Integration."
min_stack_version = "8.14.0"
updated_date = "2024/10/28"

[rule]
author = ["Elastic"]
description = """
Identifies the use of Cmdlets and methods related to remote execution activities using WinRM. Attackers can abuse WinRM
to perform lateral movement using built-in tools.
"""
from = "now-119m"
interval = "60m"
index = ["winlogbeat-*", "logs-windows.powershell*"]
language = "kuery"
license = "Elastic License v2"
name = "PowerShell Script with Remote Execution Capabilities via WinRM"
references = [
  "https://attack.mitre.org/techniques/T1021/006/",
  "https://github.com/cobbr/SharpSploit/blob/master/SharpSploit/LateralMovement/PowerShellRemoting.cs",
  "https://github.com/BC-SECURITY/Empire/blob/main/empire/server/modules/powershell/lateral_movement/invoke_psremoting.py"
]
risk_score = 21
rule_id = "0abf0c5b-62dd-48d2-ac4e-6b43fe3a6e83"
setup = """## Setup

The 'PowerShell Script Block Logging' logging policy must be enabled.
Steps to implement the logging policy with Advanced Audit Configuration:

```
Computer Configuration >
Administrative Templates >
Windows PowerShell >
Turn on PowerShell Script Block Logging (Enable)
```

Steps to implement the logging policy via registry:

```
reg add "hklm\\SOFTWARE\\Policies\\Microsoft\\Windows\\PowerShell\\ScriptBlockLogging" /v EnableScriptBlockLogging /t REG_DWORD /d 1
```
"""

severity = "low"
tags = ["Domain: Endpoint", "OS: Windows", "Use Case: Threat Detection", "Tactic: Lateral Movement", "Tactic: Execution", "Data Source: PowerShell Logs", "Rule Type: BBR"]
timestamp_override = "event.ingested"
type = "query"
building_block_type = "default"

query = '''
event.category:process and host.os.type:windows and
  powershell.file.script_block_text : (
    ("Invoke-WmiMethod" or "Invoke-Command" or "Enter-PSSession") and "ComputerName"
  ) and
  not user.id : "S-1-5-18" and
  not file.directory : (
    "C:\\Program Files\\LogicMonitor\\Agent\\tmp"
  ) and not
  powershell.file.script_block_text : (
    "Export-ModuleMember -Function @('Invoke-Expression''Invoke-Command')" and
    "function Invoke-Command {"
  )
'''

[[rule.filters]]
[rule.filters.meta]
negate = true
[rule.filters.query.wildcard."file.path"]
"case_insensitive" = true
"value" = "?:\\\\Program Files\\\\WindowsPowerShell\\\\Modules\\\\dbatools\\\\*\\\\allcommands.ps1"

[[rule.filters]]
[rule.filters.meta]
negate = true
[rule.filters.query.wildcard."file.directory"]
"case_insensitive" = true
"value" = "?:\\\\Program Files\\\\Microsoft\\\\Exchange Server\\\\*\\\\bin"

[[rule.filters]]
[rule.filters.meta]
negate = true
[rule.filters.query.wildcard."file.directory"]
"case_insensitive" = true
"value" = "?:\\\\ExchangeServer\\\\bin*"

[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1021"
name = "Remote Services"
reference = "https://attack.mitre.org/techniques/T1021/"
[[rule.threat.technique.subtechnique]]
id = "T1021.006"
name = "Windows Remote Management"
reference = "https://attack.mitre.org/techniques/T1021/006/"



[rule.threat.tactic]
id = "TA0008"
name = "Lateral Movement"
reference = "https://attack.mitre.org/tactics/TA0008/"

[[rule.threat]]
framework = "MITRE ATT&CK"

[[rule.threat.technique]]
id = "T1059"
name = "Command and Scripting Interpreter"
reference = "https://attack.mitre.org/techniques/T1059/"

[[rule.threat.technique.subtechnique]]
id = "T1059.001"
name = "PowerShell"
reference = "https://attack.mitre.org/techniques/T1059/001/"


[rule.threat.tactic]
id = "TA0002"
name = "Execution"
reference = "https://attack.mitre.org/tactics/TA0002/"