Jonhnathan
67ca13c1ce
* [Rule Tuning] Replace KQL exceptions for Query DSL Exceptions * update min_stack * build out schema in more detail for Filters * Update detection_rules/rule.py Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com> * Remove enum for definition * remove unused import * remove $state store * transform state * add call to super * add return type hint * use dataclass metadata * use Literal type --------- Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com> Co-authored-by: Mika Ayenson <Mika.ayenson@elastic.co> Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com> Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com>
126 lines
3.6 KiB
TOML
126 lines
3.6 KiB
TOML
[metadata]
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creation_date = "2023/07/12"
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integration = ["windows"]
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maturity = "production"
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min_stack_comments = "KQL handles backslash and ? characters differently in 8.12+."
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min_stack_version = "8.12.0"
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updated_date = "2024/03/12"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies the use of Cmdlets and methods related to remote execution activities using WinRM. Attackers can abuse WinRM
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to perform lateral movement using built-in tools.
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"""
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from = "now-119m"
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interval = "60m"
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index = ["winlogbeat-*", "logs-windows.powershell*"]
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language = "kuery"
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license = "Elastic License v2"
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name = "PowerShell Script with Remote Execution Capabilities via WinRM"
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references = [
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"https://attack.mitre.org/techniques/T1021/006/",
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"https://github.com/cobbr/SharpSploit/blob/master/SharpSploit/LateralMovement/PowerShellRemoting.cs",
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"https://github.com/BC-SECURITY/Empire/blob/main/empire/server/modules/powershell/lateral_movement/invoke_psremoting.py"
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]
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risk_score = 21
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rule_id = "0abf0c5b-62dd-48d2-ac4e-6b43fe3a6e83"
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setup = """## Setup
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The 'PowerShell Script Block Logging' logging policy must be enabled.
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Steps to implement the logging policy with Advanced Audit Configuration:
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```
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Computer Configuration >
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Administrative Templates >
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Windows PowerShell >
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Turn on PowerShell Script Block Logging (Enable)
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```
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Steps to implement the logging policy via registry:
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```
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reg add "hklm\\SOFTWARE\\Policies\\Microsoft\\Windows\\PowerShell\\ScriptBlockLogging" /v EnableScriptBlockLogging /t REG_DWORD /d 1
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```
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"""
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severity = "low"
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tags = ["Domain: Endpoint", "OS: Windows", "Use Case: Threat Detection", "Tactic: Lateral Movement", "Tactic: Execution", "Data Source: PowerShell Logs", "Rule Type: BBR"]
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timestamp_override = "event.ingested"
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type = "query"
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building_block_type = "default"
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query = '''
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event.category:process and host.os.type:windows and
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powershell.file.script_block_text : (
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("Invoke-WmiMethod" or "Invoke-Command" or "Enter-PSSession") and "ComputerName"
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) and
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not user.id : "S-1-5-18" and
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not file.directory : (
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"C:\\Program Files\\LogicMonitor\\Agent\\tmp"
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) and not
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powershell.file.script_block_text : (
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"Export-ModuleMember -Function @('Invoke-Expression''Invoke-Command')" and
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"function Invoke-Command {"
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)
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'''
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[[rule.filters]]
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[rule.filters.meta]
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negate = true
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[rule.filters.query.wildcard."file.path"]
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"case_insensitive" = true
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"value" = "?:\\\\Program Files\\\\WindowsPowerShell\\\\Modules\\\\dbatools\\\\*\\\\allcommands.ps1"
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[[rule.filters]]
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[rule.filters.meta]
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negate = true
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[rule.filters.query.wildcard."file.directory"]
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"case_insensitive" = true
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"value" = "?:\\\\Program Files\\\\Microsoft\\\\Exchange Server\\\\*\\\\bin"
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[[rule.filters]]
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[rule.filters.meta]
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negate = true
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[rule.filters.query.wildcard."file.directory"]
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"case_insensitive" = true
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"value" = "?:\\\\ExchangeServer\\\\bin*"
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[[rule.threat]]
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framework = "MITRE ATT&CK"
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[[rule.threat.technique]]
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id = "T1021"
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name = "Remote Services"
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reference = "https://attack.mitre.org/techniques/T1021/"
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[[rule.threat.technique.subtechnique]]
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id = "T1021.006"
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name = "Windows Remote Management"
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reference = "https://attack.mitre.org/techniques/T1021/006/"
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[rule.threat.tactic]
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id = "TA0008"
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name = "Lateral Movement"
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reference = "https://attack.mitre.org/tactics/TA0008/"
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[[rule.threat]]
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framework = "MITRE ATT&CK"
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[[rule.threat.technique]]
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id = "T1059"
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name = "Command and Scripting Interpreter"
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reference = "https://attack.mitre.org/techniques/T1059/"
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[[rule.threat.technique.subtechnique]]
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id = "T1059.001"
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name = "PowerShell"
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reference = "https://attack.mitre.org/techniques/T1059/001/"
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[rule.threat.tactic]
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id = "TA0002"
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name = "Execution"
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reference = "https://attack.mitre.org/tactics/TA0002/"
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