[Rule Tuning] Add Supplemental Mitre Mappings (#5876)

---------

Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
Co-authored-by: Isai <59296946+imays11@users.noreply.github.com>
Co-authored-by: terrancedejesus <terrance.dejesus@elastic.co>
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
Co-authored-by: eric-forte-elastic <eric.forte@elastic.co>

rules/linux/execution_potential_hack_tool_executed.toml

@@ -2,7 +2,7 @@
 creation_date = "2023/09/22"
 integration = ["endpoint", "auditd_manager", "crowdstrike", "sentinel_one_cloud_funnel"]
 maturity = "production"
-updated_date = "2025/03/20"
+updated_date = "2026/03/24"
 
 [rule]
 author = ["Elastic"]
@@ -133,3 +133,84 @@ id = "TA0002"
 name = "Execution"
 reference = "https://attack.mitre.org/tactics/TA0002/"
 
+[[rule.threat]]
+framework = "MITRE ATT&CK"
+
+[[rule.threat.technique]]
+id = "T1110"
+name = "Brute Force"
+reference = "https://attack.mitre.org/techniques/T1110/"
+
+[[rule.threat.technique.subtechnique]]
+id = "T1110.001"
+name = "Password Guessing"
+reference = "https://attack.mitre.org/techniques/T1110/001/"
+
+[[rule.threat.technique.subtechnique]]
+id = "T1110.002"
+name = "Password Cracking"
+reference = "https://attack.mitre.org/techniques/T1110/002/"
+
+[rule.threat.tactic]
+id = "TA0006"
+name = "Credential Access"
+reference = "https://attack.mitre.org/tactics/TA0006/"
+
+[[rule.threat]]
+framework = "MITRE ATT&CK"
+
+[[rule.threat.technique]]
+id = "T1046"
+name = "Network Service Discovery"
+reference = "https://attack.mitre.org/techniques/T1046/"
+
+[[rule.threat.technique]]
+id = "T1057"
+name = "Process Discovery"
+reference = "https://attack.mitre.org/techniques/T1057/"
+
+[[rule.threat.technique]]
+id = "T1082"
+name = "System Information Discovery"
+reference = "https://attack.mitre.org/techniques/T1082/"
+
+[rule.threat.tactic]
+id = "TA0007"
+name = "Discovery"
+reference = "https://attack.mitre.org/tactics/TA0007/"
+
+[[rule.threat]]
+framework = "MITRE ATT&CK"
+
+[[rule.threat.technique]]
+id = "T1190"
+name = "Exploit Public-Facing Application"
+reference = "https://attack.mitre.org/techniques/T1190/"
+
+[rule.threat.tactic]
+id = "TA0001"
+name = "Initial Access"
+reference = "https://attack.mitre.org/tactics/TA0001/"
+
+[[rule.threat]]
+framework = "MITRE ATT&CK"
+
+[[rule.threat.technique]]
+id = "T1595"
+name = "Active Scanning"
+reference = "https://attack.mitre.org/techniques/T1595/"
+
+[[rule.threat.technique.subtechnique]]
+id = "T1595.002"
+name = "Vulnerability Scanning"
+reference = "https://attack.mitre.org/techniques/T1595/002/"
+
+[[rule.threat.technique.subtechnique]]
+id = "T1595.003"
+name = "Wordlist Scanning"
+reference = "https://attack.mitre.org/techniques/T1595/003/"
+
+[rule.threat.tactic]
+id = "TA0043"
+name = "Reconnaissance"
+reference = "https://attack.mitre.org/tactics/TA0043/"