[New Rule] PowerShell Kerberos Ticket Dump (#2967)
* [New Rule] PowerShell Kerberos Ticket Dump * Update rules/windows/credential_access_posh_kerb_ticket_dump.toml * Update rules/windows/credential_access_posh_kerb_ticket_dump.toml --------- Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
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[metadata]
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creation_date = "2023/07/26"
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integration = ["windows"]
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maturity = "production"
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min_stack_comments = "New fields added: required_fields, related_integrations, setup"
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min_stack_version = "8.3.0"
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updated_date = "2023/07/26"
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[rule]
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author = ["Elastic"]
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description = """
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Detects PowerShell scripts that have the capability of dumping Kerberos tickets from LSA, which potentially indicates an
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attacker's attempt to acquire credentials for lateral movement.
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"""
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from = "now-9m"
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index = ["winlogbeat-*", "logs-windows.*"]
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language = "kuery"
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license = "Elastic License v2"
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name = "PowerShell Kerberos Ticket Dump"
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note = """## 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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references = [
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"https://github.com/MzHmO/PowershellKerberos/blob/main/dumper.ps1",
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]
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risk_score = 47
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rule_id = "fddff193-48a3-484d-8d35-90bb3d323a56"
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severity = "medium"
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tags = ["Domain: Endpoint", "OS: Windows", "Use Case: Threat Detection", "Tactic: Credential Access", "Data Source: PowerShell Logs"]
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timestamp_override = "event.ingested"
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type = "query"
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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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"LsaCallAuthenticationPackage" and
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(
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"KerbRetrieveEncodedTicketMessage" or
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"KerbQueryTicketCacheMessage" or
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"KerbQueryTicketCacheExMessage" or
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"KerbQueryTicketCacheEx2Message" or
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"KerbRetrieveTicketMessage" or
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"KerbDecryptDataMessage"
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)
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)
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'''
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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 = "T1003"
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name = "OS Credential Dumping"
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reference = "https://attack.mitre.org/techniques/T1003/"
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[[rule.threat.technique]]
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id = "T1558"
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name = "Steal or Forge Kerberos Tickets"
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reference = "https://attack.mitre.org/techniques/T1558/"
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[rule.threat.tactic]
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id = "TA0006"
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name = "Credential Access"
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reference = "https://attack.mitre.org/tactics/TA0006/"
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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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