Justin Ibarra
46 lines
1.3 KiB
TOML
46 lines
1.3 KiB
TOML
[metadata]
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creation_date = "2020/09/02"
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maturity = "development"
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updated_date = "2021/03/03"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies MsBuild.exe making outbound network connections. This may indicate adversarial activity as MsBuild is often
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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 = "MsBuild Network Connection Sequence"
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risk_score = 21
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rule_id = "9dc6ed5d-62a9-4feb-a903-fafa1d33b8e9"
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severity = "medium"
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tags = ["Elastic", "Host", "Windows", "Threat Detection", "Defense Evasion"]
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type = "eql"
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query = '''
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/* duplicate of MsBuild Making Network Connections - 0e79980b-4250-4a50-a509-69294c14e84b */
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sequence by process.entity_id
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[process where event.type in ("start", "process_started") and process.name : "MSBuild.exe"]
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[network where process.name : "MSBuild.exe" and
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not (destination.ip == "127.0.0.1" and source.ip == "127.0.0.1")]
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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 = "T1127"
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name = "Trusted Developer Utilities Proxy Execution"
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reference = "https://attack.mitre.org/techniques/T1127/"
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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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