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/analyzing-bootkit-and-rootkit-samples/scripts/agent.py

@@ -112,8 +112,11 @@ def analyze_boot_code(mbr_data):
 
 def run_volatility_rootkit_scan(memory_dump, plugin):
     """Run a Volatility 3 plugin for rootkit detection via subprocess."""
-    cmd = f"vol3 -f {memory_dump} {plugin}"
-    result = subprocess.run(cmd, shell=True, capture_output=True, text=True)
+    result = subprocess.run(
+        ["vol3", "-f", memory_dump, plugin],
+        capture_output=True, text=True,
+        timeout=120,
+    )
     return result.stdout, result.stderr, result.returncode