Techniques
Sample rules
Windows Disable or Modify Tools Via Taskkill
- source: splunk
- technicques:
- T1562
- T1562.001
Description
This analytic is designed to identify potentially malicious processes that terminate other processes using taskkill.exe. This technique has been observed in various malware instances, employed by adversaries and red teamers alike, to forcibly terminate other processes whether they be security products or other legitimate applications as part of their malicious activities. Detecting this anomaly serves as a valuable alert mechanism to identify suspicious processes or malware attempting to evade detection and disrupt system stability.
Detection logic
| tstats `security_content_summariesonly` count min(_time) as firstTime max(_time) as lastTime from datamodel=Endpoint.Processes where Processes.process_name = "taskkill.exe" Processes.process IN ("* /f*", "* /t*") Processes.process IN ("* /im*", "* /pid*") by Processes.parent_process_name Processes.parent_process Processes.process_name Processes.process Processes.process_id Processes.process_guid Processes.user Processes.dest
| `drop_dm_object_name("Processes")`
| `security_content_ctime(firstTime)`
| `security_content_ctime(lastTime)`
| `windows_disable_or_modify_tools_via_taskkill_filter`