[New Rule] Attempt to Unload Elastic Endpoint Security Kernel Extension (#807)

* [New Rule] Attempt to Unload Elastic Endpoint Security Kernel Extension * Update rules/macos/defense_evasion_unload_endpointsecurity_kext.toml Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com> * Update rules/macos/defense_evasion_unload_endpointsecurity_kext.toml Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com> * Update rules/macos/defense_evasion_unload_endpointsecurity_kext.toml Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com> * added subtechnique Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com>
2021-02-08 22:22:16 +01:00
parent 64366218c7
commit 18a4e468ce
1 changed files with 43 additions and 0 deletions
@@ -0,0 +1,43 @@
+[metadata]
+creation_date = "2020/01/05"
+maturity = "production"
+updated_date = "2020/01/05"
+
+[rule]
+author = ["Elastic"]
+description = """
+Identifies attempts to unload the Elastic Endpoint Security kernel extension via the kextunload command.
+"""
+from = "now-9m"
+index = ["auditbeat-*", "logs-endpoint.events.*"]
+language = "kuery"
+license = "Elastic License"
+name = "Attempt to Unload Elastic Endpoint Security Kernel Extension"
+risk_score = 73
+rule_id = "70fa1af4-27fd-4f26-bd03-50b6af6b9e24"
+severity = "high"
+tags = ["Elastic", "Host", "macOS", "Threat Detection", "Defense Evasion"]
+type = "query"
+
+query = '''
+event.category:process and event.type:(start or process_started) and
+ process.name:kextunload and process.args:("/System/Library/Extensions/EndpointSecurity.kext" or "EndpointSecurity.kext")
+'''
+
+
+[[rule.threat]]
+framework = "MITRE ATT&CK"
+[[rule.threat.technique]]
+id = "T1562"
+name = "Impair Defenses"
+reference = "https://attack.mitre.org/techniques/T1562/"
+[[rule.threat.technique.subtechnique]]
+id = "T1562.001"
+name = "Disable or Modify Tools"
+reference = "https://attack.mitre.org/techniques/T1562/001/"
+
+
+[rule.threat.tactic]
+id = "TA0005"
+name = "Defense Evasion"
+reference = "https://attack.mitre.org/tactics/TA0005/"