SID 1:59053

Report a false positive

Rule Category

POLICY-OTHER --

Alert Message

POLICY-OTHER Microsoft Windows S4U2self request for administrator account attempt

Rule Explanation

This rule looks for attempts to perform a S4U2Self Kerberos request on behalf of the "Administrator" account. Attackers have used this as part of the exploit for CVE-2021-42287.

What To Look For

This rule looks for attempts to perform a S4U2Self Kerberos request on behalf of the "Administrator" account.

Known Usage

No public information

False Positives

No known false positives

Contributors

Cisco Talos Intelligence Group

Rule Groups

No rule groups

CVE

CVE-2021-42287

Additional Links

msrc.microsoft.com/update-guide/vulnerability/CVE-2021-42287

Rule Vulnerability

Escalation of Privilege

An Escalation of Privilege (EOP) attack is any attack method that results in a user or application gaining permissions to access resources they normally would not have access to.

CVE Additional Information

This product uses data from the NVD API but is not endorsed or certified by the NVD.
CVE-2021-42287
 Loading description

MITRE ATT&CK Framework

Tactic: Privilege Escalation

Technique: Exploitation for Privilege Escalation

For reference, see the MITRE ATT&CK vulnerability types here: https://attack.mitre.org