Samirbous
f26d7fc81b
* Create persistence_msi_installer_task_startup.toml * Update persistence_msi_installer_task_startup.toml * Update persistence_msi_installer_task_startup.toml --------- Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
85 lines
2.6 KiB
TOML
85 lines
2.6 KiB
TOML
[metadata]
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creation_date = "2024/09/05"
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integration = ["endpoint"]
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maturity = "production"
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updated_date = "2024/09/05"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies when the Windows installer process msiexec.exe creates a new persistence entry via scheduled tasks or startup.
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"""
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false_positives = ["Legitimate scheduled tasks may be created during installation of new software."]
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from = "now-9m"
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index = [
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"logs-endpoint.events.registry-*",
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"logs-endpoint.events.file-*"
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]
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language = "eql"
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license = "Elastic License v2"
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name = "Persistence via a Windows Installer"
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risk_score = 47
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rule_id = "1719ee47-89b8-4407-9d55-6dff2629dd4c"
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severity = "medium"
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tags = [
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"Domain: Endpoint",
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"OS: Windows",
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"Use Case: Threat Detection",
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"Tactic: Persistence",
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"Tactic: Defense Evasion",
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"Data Source: Elastic Defend",
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]
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timestamp_override = "event.ingested"
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type = "eql"
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query = '''
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any where host.os.type == "windows" and
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(process.name : "msiexec.exe" or Effective_process.name : "msiexec.exe") and
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(
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(event.category == "file" and event.action == "creation" and
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file.path : ("?:\\Windows\\System32\\Tasks\\*",
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"?:\\programdata\\microsoft\\windows\\start menu\\programs\\startup\\*",
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"?:\\Users\\*\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\*")) or
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(event.category == "registry" and event.action == "modification" and
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registry.path : ("H*\\Software\\Microsoft\\Windows\\CurrentVersion\\Run\\*",
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"H*\\Software\\WOW6432Node\\Microsoft\\Windows\\CurrentVersion\\Run\\*",
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"H*\\Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer\\Run\\*",
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"H*\\Software\\WOW6432Node\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer\\Run\\*"))
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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 = "T1053"
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name = "Scheduled Task/Job"
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reference = "https://attack.mitre.org/techniques/T1053/"
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[[rule.threat.technique.subtechnique]]
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id = "T1053.005"
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name = "Scheduled Task"
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reference = "https://attack.mitre.org/techniques/T1053/005/"
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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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[[rule.threat]]
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framework = "MITRE ATT&CK"
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[[rule.threat.technique]]
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id = "T1218"
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name = "System Binary Proxy Execution"
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reference = "https://attack.mitre.org/techniques/T1218/"
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[[rule.threat.technique.subtechnique]]
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id = "T1218.007"
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name = "Msiexec"
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reference = "https://attack.mitre.org/techniques/T1218/007/"
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[rule.threat.tactic]
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id = "TA0005"
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name = "Defense Evasion"
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reference = "https://attack.mitre.org/tactics/TA0005/"
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