Samirbous
4547ee3750
* [New Rule] Suspicious Execution - Short Program Name * Update rules/windows/execution_suspicious_short_program_name.toml Co-authored-by: David French <56409778+threat-punter@users.noreply.github.com> Co-authored-by: David French <56409778+threat-punter@users.noreply.github.com>
28 lines
858 B
TOML
28 lines
858 B
TOML
[metadata]
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creation_date = "2020/11/15"
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ecs_version = ["1.6.0"]
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maturity = "production"
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updated_date = "2020/11/15"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies process execution with a single character process name. This is often done by adversaries while staging or
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executing temporary utilities.
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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 = "Suspicious Execution - Short Program Name"
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risk_score = 47
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rule_id = "17c7f6a5-5bc9-4e1f-92bf-13632d24384d"
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severity = "medium"
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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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process where event.type in ("start", "process_started") and length(process.name) > 0 and
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length(process.name) == 5 and host.os.name == "Windows" and length(process.pe.original_file_name) > 5
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'''
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