Techniques
Sample rules
Windows NorthStar C2 Agent Execution
- source: splunk
- technicques:
- T1204.002
- T1547.001
- T1608
Description
Detects the initial agent or persistent agent processes for Northstar C2 being run. NorthStarC2 is an open-source command and control framework developed for penetration testing and red teaming purposes by Engin Demirbilek. NorthStar C2 Framework consists of two applications, a server-side GUI web application for managing sessions and a client-side stager to communicate with C2 server.
Detection logic
| tstats `security_content_summariesonly`
count min(_time) as firstTime
max(_time) as lastTime
from datamodel=Endpoint.Processes where
Processes.original_file_name="NorthstarStager.exe"
OR
Processes.process_name IN (
"NorthstarStager.exe",
"SystemHealthCheck.exe"
)
by Processes.process Processes.vendor_product Processes.user_id Processes.process_hash
Processes.parent_process_name Processes.parent_process_exec Processes.action
Processes.dest Processes.process_current_directory Processes.process_path
Processes.process_integrity_level Processes.original_file_name Processes.parent_process
Processes.parent_process_path Processes.parent_process_guid Processes.parent_process_id
Processes.process_guid Processes.process_id Processes.user Processes.process_name
| `drop_dm_object_name(Processes)`
| `security_content_ctime(firstTime)`
| `security_content_ctime(lastTime)`
| `windows_northstar_c2_agent_execution_filter`