[Rule Tuning] Add endgame support for Linux Rules (#2436)

* [Rule Tuning] Add endgame support for Linux Rules

* [Rule Tuning] Add endgame support for Linux Rules

* .

* Update persistence_insmod_kernel_module_load.toml

rules/linux/execution_shell_evasion_linux_binary.toml

@@ -4,7 +4,7 @@ integration = ["endpoint"]
 maturity = "production"
 min_stack_comments = "New fields added: required_fields, related_integrations, setup"
 min_stack_version = "8.3.0"
-updated_date = "2022/12/14"
+updated_date = "2022/12/20"
 
 [rule]
 author = ["Elastic"]
@@ -14,10 +14,10 @@ shell. The linux utility(s) activity of spawning shell is not a standard use of
 administrator. It may indicates an attempt to improve the capabilities or stability of an adversary access.
 """
 from = "now-9m"
-index = ["logs-endpoint.events.*"]
+index = ["logs-endpoint.events.*", "endgame-*"]
 language = "eql"
 license = "Elastic License v2"
-name = "Linux Restricted Shell Breakout via  Linux Binary(s)"
+name = "Linux Restricted Shell Breakout via Linux Binary(s)"
 note = """## Triage and analysis
 
 ### Investigating Shell Evasion via Linux Utilities
@@ -97,7 +97,7 @@ references = [
 risk_score = 47
 rule_id = "52376a86-ee86-4967-97ae-1a05f55816f0"
 severity = "medium"
-tags = ["Elastic", "Host", "Linux", "Threat Detection", "Execution", "GTFOBins"]
+tags = ["Elastic", "Host", "Linux", "Threat Detection", "Execution", "GTFOBins", "Elastic Endgame"]
 timestamp_override = "event.ingested"
 type = "eql"