suspicious_execution_from_outlook

rule suspicious_execution_from_outlook {
 meta:
    author = "Markus Neis"
    description = "Detects EnableUnsafeClientMailRules used for Script Execution from Outlook  License: https://github.com/Neo23x0/sigma/blob/master/LICENSE.Detection.Rules.md."
    reference = "https://tdm.socprime.com/tdm/info/MWUcNxv3VHwN"
    version = "0.01"
    created = "2018/12/27"
    category = "process_creation"
    product = "windows"
    mitre = "execution, t1059, t1202"

  events:
(re.regex($clientMailRules.target.process.command_line, `.*EnableUnsafeClientMailRules.*`) or (re.regex($clientMailRules.principal.process.file.full_path, `.*\\outlook\.exe`) and re.regex($clientMailRules.target.process.command_line, `.*\\.*\.exe`)))

  condition:
    $clientMailRules
}