psexec_execution

rule psexec_execution {
 meta:
    author = "Samir Bousseaden, Den Iuzvyk(Sigma)"
    description = "Detects PsExec execution namedpipe  License: https://github.com/Neo23x0/sigma/blob/master/LICENSE.Detection.Rules.md."
    reference = "https://tdm.socprime.com/tdm/info/ppnrt394Cr9C"
    version = "0.01"
    created = "2021-03-09"
    product = "windows"
    service = "security"
    mitre = "lateral_movement, t1077"

  events:
(($selection1.metadata.product_event_type = "5145" and (re.regex($selection1.target.file.full_path, `.*-stdin.*`) or re.regex($selection1.target.file.full_path, `.*-stdout.*`) or re.regex($selection1.target.file.full_path, `.*-stderr.*`))) and not (re.regex($selection1.target.file.full_path, `.*psexecsvc.*`)))

  condition:
    $selection1
}