Techniques
Sample rules
Windows Shell or Script Execution From IIS Directory
- source: splunk
- technicques:
- T1190
- T1505.004
Description
Detects Windows command tools such as cmd, PowerShell, or pwsh being executed from the IIS installation directory. This can be indicative of exploitation of software reliant on IIS such as Exchange.
Detection logic
| tstats `security_content_summariesonly`
count min(_time) as firstTime
max(_time) as lastTime
from datamodel=Endpoint.Processes where
Processes.process_current_directory="*:\\Windows\\System32\\inetsrv\\*"
Processes.parent_process_name IN (
"cmd.exe",
"powershell.exe",
"pwsh.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_shell_or_script_execution_from_iis_directory_filter`