[New Rule] PrivEsc - Suspicious PrintSpooler FileCreation Activity (#146)

* [New Rule] PrivEsc - Suspicious PrintSpooler FileCreation Activity Same rule will detect exploitation behavior of CVE-2020-1048, CVE-2020-1337 and CVE-2020-1300 * Update privilege_escalation_printspooler_service_suspicious_file.toml * Update rules/windows/privilege_escalation_printspooler_service_suspicious_file.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * Update rules/windows/privilege_escalation_printspooler_service_suspicious_file.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * Update rules/windows/privilege_escalation_printspooler_service_suspicious_file.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * Added references and changed file name to extension as it was closed as bug issue by endpoint dev team * Update privilege_escalation_printspooler_service_suspicious_file.toml * Update rules/windows/privilege_escalation_printspooler_service_suspicious_file.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> Co-authored-by: David French <56409778+threat-punter@users.noreply.github.com>
2020-09-29 21:11:43 +02:00
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+[metadata]
+creation_date = "2020/08/14"
+ecs_version = ["1.6.0"]
+maturity = "production"
+updated_date = "2020/08/14"
+
+[rule]
+author = ["Elastic"]
+description = """
+Detects attempts to exploit privilege escalation vulnerabilities related to the Print Spooler service. For more
+information refer to the following CVE's - CVE-2020-1048, CVE-2020-1337 and CVE-2020-1300 and verify that the impacted
+system is patched.
+"""
+index = ["winlogbeat-*", "logs-endpoint.events.*"]
+language = "kuery"
+license = "Elastic License"
+name = "Suspicious PrintSpooler Service Executable File Creation"
+references = [
+    "https://voidsec.com/cve-2020-1337-printdemon-is-dead-long-live-printdemon/",
+    "https://www.thezdi.com/blog/2020/7/8/cve-2020-1300-remote-code-execution-through-microsoft-windows-cab-files",
+]
+risk_score = 74
+rule_id = "5bb4a95d-5a08-48eb-80db-4c3a63ec78a8"
+severity = "high"
+tags = ["Elastic", "Windows"]
+type = "query"
+
+query = '''
+event.category:file and not event.type:deletion and
+  process.name:spoolsv.exe and
+  file.extension:(exe or dll) and
+  not file.path:(C\:\\Windows\\System32\\spool\\* or C\:\\Windows\\Temp\\* or C\:\\Users\\*)
+'''
+
+
+[[rule.threat]]
+framework = "MITRE ATT&CK"
+[[rule.threat.technique]]
+id = "T1068"
+name = "Exploitation for Privilege Escalation"
+reference = "https://attack.mitre.org/techniques/T1068/"
+
+
+[rule.threat.tactic]
+id = "TA0004"
+name = "Privilege Escalation"
+reference = "https://attack.mitre.org/tactics/TA0004/"