Mika Ayenson, PhD
8993d1450b
--------- Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com> Co-authored-by: Isai <59296946+imays11@users.noreply.github.com> Co-authored-by: terrancedejesus <terrance.dejesus@elastic.co> Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com> Co-authored-by: eric-forte-elastic <eric.forte@elastic.co>
100 lines
2.6 KiB
TOML
100 lines
2.6 KiB
TOML
[metadata]
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bypass_bbr_timing = true
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creation_date = "2023/08/24"
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integration = ["endpoint", "windows"]
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maturity = "production"
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updated_date = "2026/03/24"
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[rule]
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author = ["Elastic"]
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building_block_type = "default"
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description = """
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Identifies the suspicious creation of SettingContents-ms files, which have been used in attacks to achieve code
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execution while evading defenses.
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"""
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from = "now-9m"
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index = ["logs-endpoint.events.file-*", "logs-windows.sysmon_operational-*", "endgame-*", "winlogbeat-*"]
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language = "eql"
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license = "Elastic License v2"
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name = "Creation of SettingContent-ms Files"
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references = ["https://posts.specterops.io/the-tale-of-settingcontent-ms-files-f1ea253e4d39"]
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risk_score = 21
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rule_id = "1e6363a6-3af5-41d4-b7ea-d475389c0ceb"
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severity = "low"
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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: Execution",
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"Data Source: Elastic Defend",
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"Rule Type: BBR",
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"Data Source: Sysmon",
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"Data Source: Elastic Endgame",
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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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file where host.os.type == "windows" and event.type == "creation" and
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file.extension : "settingcontent-ms" and
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not file.path : (
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"?:\\*\\AppData\\Local\\Packages\\windows.immersivecontrolpanel_*\\LocalState\\Indexed\\Settings\\*",
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"\\Device\\HarddiskVolume*\\Windows\\WinSxS\\amd64_microsoft-windows-s..*\\*.settingcontent-ms"
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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 = "T1203"
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name = "Exploitation for Client Execution"
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reference = "https://attack.mitre.org/techniques/T1203/"
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[[rule.threat.technique]]
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id = "T1204"
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name = "User Execution"
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reference = "https://attack.mitre.org/techniques/T1204/"
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[[rule.threat.technique.subtechnique]]
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id = "T1204.002"
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name = "Malicious File"
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reference = "https://attack.mitre.org/techniques/T1204/002/"
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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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[[rule.threat]]
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framework = "MITRE ATT&CK"
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[[rule.threat.technique]]
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id = "T1566"
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name = "Phishing"
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reference = "https://attack.mitre.org/techniques/T1566/"
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[[rule.threat.technique.subtechnique]]
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id = "T1566.001"
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name = "Spearphishing Attachment"
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reference = "https://attack.mitre.org/techniques/T1566/001/"
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[rule.threat.tactic]
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id = "TA0001"
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name = "Initial Access"
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reference = "https://attack.mitre.org/tactics/TA0001/"
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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.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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