Google Chronicle unknown experimental yara-l

addition_of_sid_history_to_active_directory_object

An attacker can use the SID history attribute to gain additional privileges. License: https://github.com/Neo23x0/sigma/blob/master/LICENSE.Detection.Rules.md.

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Detection Logic

rule addition_of_sid_history_to_active_directory_object {
 meta:
    author = "Thomas Patzke, @atc_project (improvements)"
    description = "An attacker can use the SID history attribute to gain additional privileges.  License: https://github.com/Neo23x0/sigma/blob/master/LICENSE.Detection.Rules.md."
    reference = "https://tdm.socprime.com/tdm/info/p8j8cDNgTyKF"
    version = "0.01"
    created = "2021-03-09"
    product = "windows"
    service = "security"
    mitre = "persistence, privilege_escalation, t1178"

  events:
(($selection1.metadata.product_event_type = "4765" or $selection1.metadata.product_event_type = "4766") or ($selection1.metadata.product_event_type = "4738" and not (($selection1.target.process.product_specific_process_id = "-" or $selection1.target.process.product_specific_process_id = "%%1793"))))

  condition:
    $selection1
}

Field Validations

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