clear

event::clear clears a specified event log. It has the following command line argument:

• /log: The event log to clear. The default one is Security

mimikatz # privilege::debug
Privilege '20' OK

mimikatz # event::clear
Using "Security" event log :
- 3996 event(s)
- Cleared !
- 0 event(s)

mimikatz # event::clear /log:System
Using "System" event log :
- 818 event(s)
- Cleared !
- 0 event(s)