Jonhnathan
47 lines
1.5 KiB
TOML
47 lines
1.5 KiB
TOML
[metadata]
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creation_date = "2020/09/02"
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maturity = "production"
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updated_date = "2022/08/17"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies WMIC allowlist bypass techniques by alerting on suspicious execution of scripts. When WMIC loads scripting
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libraries it may be indicative of an allowlist bypass.
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"""
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from = "now-9m"
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index = ["winlogbeat-*", "logs-endpoint.events.*", "logs-windows.*"]
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language = "eql"
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license = "Elastic License v2"
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name = "Suspicious WMIC XSL Script Execution"
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risk_score = 47
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rule_id = "7f370d54-c0eb-4270-ac5a-9a6020585dc6"
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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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sequence by process.entity_id with maxspan = 2m
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[process where event.type in ("start", "process_started") and
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(process.name : "WMIC.exe" or process.pe.original_file_name : "wmic.exe") and
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process.args : ("format*:*", "/format*:*", "*-format*:*") and
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not process.command_line : "* /format:table *"]
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[any where (event.category == "library" or (event.category == "process" and event.action : "Image loaded*")) and
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(dll.name : ("jscript.dll", "vbscript.dll") or file.name : ("jscript.dll", "vbscript.dll"))]
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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 = "TA0005"
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name = "Defense Evasion"
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reference = "https://attack.mitre.org/tactics/TA0005/"
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