klist_purge

rule klist_purge {
 meta:
    author = "Ruslan Mikhalov, SOC Prime Team"
    description = "Delete Evidence of Pass-the-Ticket attack  License: https://github.com/Neo23x0/sigma/blob/master/LICENSE.Detection.Rules.md."
    reference = "https://tdm.socprime.com/tdm/info/giY1lJKpXh6N"
    version = "0.01"
    created = "2021-03-09"
    product = "windows"
    service = "sysmon"
    mitre = "Defense Evasion, t1070"

  events:
($sysmon_klistpurge.metadata.product_event_type = "1" and re.regex($sysmon_klistpurge.target.process.command_line, `klist.*purge`))

  condition:
    $sysmon_klistpurge
}