Jonhnathan
4233fef238
* win folder * Other folders * Update test_all_rules.py * . * updated missing elastic defend tags --------- Co-authored-by: terrancedejesus <terrance.dejesus@elastic.co>
53 lines
1.7 KiB
TOML
53 lines
1.7 KiB
TOML
[metadata]
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creation_date = "2020/09/02"
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integration = ["endpoint", "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 = "2023/06/22"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies InstallUtil.exe making outbound network connections. This may indicate adversarial activity as InstallUtil is
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often leveraged by adversaries to execute code and evade detection.
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"""
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from = "now-9m"
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index = ["logs-endpoint.events.*", "winlogbeat-*", "logs-windows.*"]
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language = "eql"
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license = "Elastic License v2"
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name = "InstallUtil Process Making Network Connections"
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risk_score = 47
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rule_id = "a13167f1-eec2-4015-9631-1fee60406dcf"
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severity = "medium"
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tags = ["Domain: Endpoint", "OS: Windows", "Use Case: Threat Detection", "Tactic: Defense Evasion", "Data Source: Elastic Defend"]
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type = "eql"
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query = '''
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/* the benefit of doing this as an eql sequence vs kql is this will limit to alerting only on the first network connection */
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sequence by process.entity_id
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[process where host.os.type == "windows" and event.type == "start" and process.name : "installutil.exe"]
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[network where host.os.type == "windows" and process.name : "installutil.exe" and network.direction : ("outgoing", "egress")]
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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 = "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 = "T1218.004"
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name = "InstallUtil"
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reference = "https://attack.mitre.org/techniques/T1218/004/"
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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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