Find hidden scheduled tasks

# --- Query Metadata ---
# Human-readable name for the query. Will be displayed as the title.
name: Find hidden scheduled tasks

# MITRE ATT&CK technique IDs
mitre_ids: 
  - T1053.005

# Description of what the query does and its purpose.
#description:

# The author or team that created the query.
author: CrowdStrike

# The required log sources to run this query successfully in Next-Gen SIEM.
log_sources:
  - Endpoint

# Tags for filtering and categorization.
tags:
  - Hunting

cs_required_modules: 
  - Insight
  
# --- Query Content ---
# The actual CrowdStrike Query Language (CQL) code.
# Using the YAML block scalar `|` allows for multi-line strings.
cql: |
  #event_simpleName=ScheduledTaskRegistered
  | parseXml(TaskXml)
  | Hidden:=rename(Task.Settings.Hidden)
  | Hidden=/true/i
  | table([aid,Hidden,TaskXml],limit=1000)