Production hardening: security fixes, code quality, 724 skills complete

- Fix 25 shell=True subprocess calls with list-based commands
- Fix 49 verify=False in defensive skills (env-var override)
- Add timeout to 231 HTTP/subprocess/socket calls
- Fix 6 SQL injection patterns with whitelist validation
- Replace 8 __import__() with standard imports
- Remove 701 unused imports across 442 files
- Add authorized-testing disclaimers to all offensive skills
- Complete 11 incomplete skill directories
- Expand 10 stub SKILL.md files with full content
- Fix 2 YAML parse errors in frontmatter
- Fix 5 pre-existing syntax errors
- Convert 22 hardcoded paths/ports to environment variables
- Back up 21 redundant skill pairs to .bak
- Fix 2 global declaration errors
- 724/724 skills with full folder anatomy (SKILL.md + agent.py + api-reference.md + LICENSE)
- 0 compile errors across all 724 agent.py files

skills/executing-active-directory-attack-simulation/scripts/agent.py

@@ -9,14 +9,7 @@ import logging
 from datetime import datetime
 
 try:
-    from impacket.krb5.kerberosv5 import getKerberosTGT, getKerberosTGS
-    from impacket.krb5 import constants as krb5_constants
-    from impacket.krb5.types import Principal, KerberosTime
     from impacket.smbconnection import SMBConnection
-    from impacket import version as impacket_version
-    from impacket.dcerpc.v5 import samr, transport
-    from impacket.examples.GetUserSPNs import GetUserSPNs
-    from impacket.examples.GetNPUsers import GetNPUsers
 except ImportError:
     sys.exit("impacket is required: pip install impacket")