Jonhnathan
6555bba965
* [New Rule] Persistence via PowerShell profile * Apply suggestions from code review Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com> * Update persistence_powersshell_profiles.toml Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
58 lines
1.8 KiB
TOML
58 lines
1.8 KiB
TOML
[metadata]
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creation_date = "2022/10/13"
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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 = "2022/10/13"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies the creation or modification of a PowerShell profile. PowerShell profile is a script that is executed when
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PowerShell starts to customize the user environment, which can be abused by attackers to persist in a environment where
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PowerShell is common.
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"""
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from = "now-9m"
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index = ["winlogbeat-*", "logs-endpoint.events.*", "logs-windows.*"]
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language = "eql"
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license = "Elastic License v2"
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name = "Persistence via PowerShell profile"
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references = [
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"https://learn.microsoft.com/en-us/powershell/module/microsoft.powershell.core/about/about_profiles",
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"https://www.welivesecurity.com/2019/05/29/turla-powershell-usage/"
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]
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risk_score = 47
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rule_id = "5cf6397e-eb91-4f31-8951-9f0eaa755a31"
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severity = "medium"
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tags = ["Elastic", "Host", "Windows", "Threat Detection", "Persistence"]
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timestamp_override = "event.ingested"
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type = "eql"
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query = '''
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file where event.type != "deletion" and
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file.path : ("?:\\Users\\*\\Documents\\WindowsPowerShell\\*",
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"?:\\Users\\*\\Documents\\PowerShell\\*",
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"?:\\Windows\\System32\\WindowsPowerShell\\*") and
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file.name : ("profile.ps1", "Microsoft.Powershell_profile.ps1")
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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 = "T1546"
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name = "Event Triggered Execution"
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reference = "https://attack.mitre.org/techniques/T1546/"
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[[rule.threat.technique.subtechnique]]
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id = "T1546.013"
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name = "PowerShell Profile"
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reference = "https://attack.mitre.org/techniques/T1546/013/"
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[rule.threat.tactic]
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id = "TA0003"
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name = "Persistence"
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reference = "https://attack.mitre.org/tactics/TA0003/"
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