A. dataset = xdr_data
| filterevent_sub_type = PROCESS_START and
action_process_image_name ~= ".*?\.(?:pdf|docx)\.exe"
B. dataset = xdr_data
| filter event_type = PROCESS and
event_sub_type = PROCESS_START and
action_process_image_name ~= ".*?\.(?:pdf|docx)\.exe"
C. dataset = xdr_data
| filter action_process_image_name ~= ".*?\.(?:pdf|docx)\.exe"
| fields action_process_image
D. dataset = xdr_data
| filter event_behavior = true
event_sub_type = PROCESS_START and
action_process_image_name ~=".*?\.(?:pdf|docx)\.exe"
Explanation:
Reference: https://docs.paloaltonetworks.com/cortex/cortex-xdr/cortex-xdr-pro-admin/investigation-and-response/cortex-xdr-indicators/working-with-biocs/create-a-bioc-rule.html