execution_settingcontent_ms_file_creation.toml

[metadata]
creation_date = "2023/08/24"
integration = ["endpoint"]
maturity = "production"
min_stack_comments = "New fields added: required_fields, related_integrations, setup"
min_stack_version = "8.3.0"
updated_date = "2023/08/24"

[rule]
author = ["Elastic"]
description = """
Identifies the suspicious creation of SettingContents-ms files, which have been used in attacks to achieve code
execution while evading defenses.
"""
from = "now-119m"
interval = "60m"
index = ["logs-endpoint.events.*"]
language = "eql"
license = "Elastic License v2"
name = "Creation of SettingContent-ms Files"
references = [
    "https://posts.specterops.io/the-tale-of-settingcontent-ms-files-f1ea253e4d39",
]
risk_score = 21
rule_id = "1e6363a6-3af5-41d4-b7ea-d475389c0ceb"
severity = "low"
tags = ["Domain: Endpoint", "OS: Windows", "Use Case: Threat Detection", "Tactic: Execution", "Data Source: Elastic Defend", "Rule Type: BBR"]
timestamp_override = "event.ingested"
building_block_type = "default"
type = "eql"

query = '''
file where host.os.type == "windows" and event.type == "creation" and
  file.extension : "settingcontent-ms"
'''

[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1204"
name = "User Execution"
reference = "https://attack.mitre.org/techniques/T1204/"


    [[rule.threat.technique.subtechnique]]
    id = "T1204.002"
    name = "Malicious File"
    reference = "https://attack.mitre.org/techniques/T1204/002/"


[rule.threat.tactic]
id = "TA0002"
name = "Execution"
reference = "https://attack.mitre.org/tactics/TA0002/"

[[rule.threat]]
framework = "MITRE ATT&CK"

[[rule.threat.technique]]
id = "T1566"
name = "Phishing"
reference = "https://attack.mitre.org/techniques/T1566/"

    [[rule.threat.technique.subtechnique]]
    id = "T1566.001"
    name = "Spearphishing Attachment"
    reference = "https://attack.mitre.org/techniques/T1566/001/"


[rule.threat.tactic]
id = "TA0001"
name = "Initial Access"
reference = "https://attack.mitre.org/tactics/TA0001/"