WIP: Detections Changes

Removed some strelka/yara rules from salt.

Removed yara scripts for downloading and updating rules. This will be managed by SOC.

Added a new compile_yara.py script.

Added the strelka repos folder.

salt/soc/files/bin/compile_yara.py

@@ -0,0 +1,14 @@
+import os
+import yara
+import glob
+import sys
+
+def compile_yara_rules(rules_dir: str) -> None:
+		compiled_rules_path: str = os.path.join(rules_dir, "rules.yar.compiled")
+		rule_files: list[str] = glob.glob(os.path.join(rules_dir, '**/*.yar'), recursive=True)
+
+		if rule_files:
+				rules: yara.Rules = yara.compile(filepaths={os.path.basename(f): f for f in rule_files})
+				rules.save(compiled_rules_path)
+
+compile_yara_rules(sys.argv[1])