Justin Ibarra
59da2da474
* add unit tests to ensure host type and platform are included * add host.os.name 'linux' to all linux rules * add host.os.name macos to mac rules * add host.os.name to windows rules; fix linux dates * update from host.os.name to host.os.type Co-authored-by: brokensound77 <brokensound77@users.noreply.github.com> Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
88 lines
2.4 KiB
TOML
88 lines
2.4 KiB
TOML
[metadata]
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creation_date = "2023/01/23"
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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 = "2023/02/22"
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[rule]
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author = ["Elastic"]
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description = """
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Detects PowerShell scripts that contain the default exported functions used on Invoke-NinjaCopy. Attackers can use
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Invoke-NinjaCopy to read SYSTEM files that are normally locked, such as the NTDS.dit file or registry hives.
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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 Invoke-NinjaCopy script"
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references = [
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"https://github.com/BC-SECURITY/Empire/blob/main/empire/server/data/module_source/collection/Invoke-NinjaCopy.ps1"
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]
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risk_score = 47
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rule_id = "b8386923-b02c-4b94-986a-d223d9b01f88"
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severity = "medium"
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tags = ["Elastic", "Host", "Windows", "Threat Detection", "Credential Access", "PowerShell"]
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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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"StealthReadFile" or
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"StealthReadFileAddr" or
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"StealthCloseFileDelegate" or
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"StealthOpenFile" or
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"StealthCloseFile" or
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"StealthReadFile" or
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"Invoke-NinjaCopy"
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)
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and not user.id : "S-1-5-18"
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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.subtechnique]]
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id = "T1003.002"
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name = "Security Account Manager"
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reference = "https://attack.mitre.org/techniques/T1003/002/"
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[[rule.threat.technique.subtechnique]]
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id = "T1003.003"
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name = "NTDS"
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reference = "https://attack.mitre.org/techniques/T1003/003/"
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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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