Justin Ibarra
45 lines
1.2 KiB
TOML
45 lines
1.2 KiB
TOML
[metadata]
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creation_date = "2020/03/18"
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ecs_version = ["1.6.0"]
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maturity = "production"
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updated_date = "2020/11/03"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies msxsl.exe making a network connection. This may indicate adversarial activity as msxsl.exe is often leveraged
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by adversaries to execute malicious scripts and evade detection.
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"""
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from = "now-9m"
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index = ["winlogbeat-*", "logs-endpoint.events.*"]
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language = "eql"
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license = "Elastic License"
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name = "Network Connection via MsXsl"
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risk_score = 21
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rule_id = "b86afe07-0d98-4738-b15d-8d7465f95ff5"
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severity = "low"
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tags = ["Elastic", "Host", "Windows", "Threat Detection", "Execution"]
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type = "eql"
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query = '''
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sequence by process.entity_id
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[process where process.name : "msxsl.exe" and event.type == "start"]
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[network where process.name : "msxsl.exe" and
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not cidrmatch(destination.ip, "10.0.0.0/8", "172.16.0.0/12", "192.168.0.0/16")]
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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 = "T1220"
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name = "XSL Script Processing"
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reference = "https://attack.mitre.org/techniques/T1220/"
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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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