abusing_attribexe_to_change_file_attributes

rule abusing_attribexe_to_change_file_attributes {
 meta:
    author = "Sreeman"
    description = "Detects possible abuse of attrib.exe to hide files and folder or to mark a file as a system file  License: https://github.com/Neo23x0/sigma/blob/master/LICENSE.Detection.Rules.md."
    reference = "https://tdm.socprime.com/tdm/info/djaZYE9kUyp8"
    version = "0.01"
    created = "2020/03/01"
    product = "Windows"
    mitre = "t1158, defense_evasion, persistence"

  events:
(re.regex($selection.target.process.command_line, `.*attrib\.exe \+h.*`) or re.regex($selection.target.process.command_line, `.*attrib\.exe \+s.*`) or re.regex($selection.target.process.command_line, `.*attrib\.exe \+r.*`) or re.regex($selection.target.process.command_line, `.*attrib\.exe -h.*`) or re.regex($selection.target.process.command_line, `.*attrib\.exe -s.*`) or re.regex($selection.target.process.command_line, `.*attrib\.exe -r.*`))

  condition:
    $selection
}