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suspicious_command_execution

Detects suspicious command execution License: https://github.com/Neo23x0/sigma/blob/master/LICENSE.Detection.Rules.md.

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Detection Logic

rule suspicious_command_execution {
 meta:
    author = "Den Iuzvyk"
    description = "Detects suspicious command execution  License: https://github.com/Neo23x0/sigma/blob/master/LICENSE.Detection.Rules.md."
    reference = "https://tdm.socprime.com/tdm/info/HkEeVAuNeql1"
    version = "0.01"
    created = "2021-03-09"
    category = "process_creation"
    product = "windows"
    mitre = "execution, t1204, t1059"

  events:
(re.regex($selection.target.process.file.full_path, `.*\\cmd\.exe`) and re.regex($selection.target.process.command_line, `.*rd.*`) and re.regex($selection.target.process.command_line, `.*/s.*`) and re.regex($selection.target.process.command_line, `.*/q.*`) and re.regex($selection.target.process.command_line, `.*timeout.*`) and re.regex($selection.target.process.command_line, `.* del .*`) and re.regex($selection.target.process.command_line, `.*\.exe.*`) and ($selection.metadata.product_event_type = "4688" or $selection.metadata.product_event_type = "1"))

  condition:
    $selection
}

Field Validations

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