Persistence via TelemetryController Scheduled Task Hijack

  1[metadata]
  2creation_date = "2020/08/17"
  3integration = ["endpoint", "windows", "system", "m365_defender", "sentinel_one_cloud_funnel"]
  4maturity = "production"
  5updated_date = "2024/10/15"
  6min_stack_version = "8.14.0"
  7min_stack_comments = "Breaking change at 8.14.0 for the Windows Integration."
  8
  9[rule]
 10author = ["Elastic"]
 11description = """
 12Detects the successful hijack of Microsoft Compatibility Appraiser scheduled task to establish persistence with an
 13integrity level of system.
 14"""
 15from = "now-9m"
 16index = [
 17    "winlogbeat-*",
 18    "logs-endpoint.events.process-*",
 19    "logs-windows.forwarded*",
 20    "logs-windows.sysmon_operational-*",
 21    "endgame-*",
 22    "logs-system.security*",
 23    "logs-m365_defender.event-*",
 24    "logs-sentinel_one_cloud_funnel.*",
 25]
 26language = "eql"
 27license = "Elastic License v2"
 28name = "Persistence via TelemetryController Scheduled Task Hijack"
 29references = ["https://www.trustedsec.com/blog/abusing-windows-telemetry-for-persistence"]
 30risk_score = 73
 31rule_id = "68921d85-d0dc-48b3-865f-43291ca2c4f2"
 32severity = "high"
 33tags = [
 34    "Domain: Endpoint",
 35    "OS: Windows",
 36    "Use Case: Threat Detection",
 37    "Tactic: Persistence",
 38    "Tactic: Privilege Escalation",
 39    "Data Source: Elastic Endgame",
 40    "Data Source: Elastic Defend",
 41    "Data Source: System",
 42    "Data Source: Microsoft Defender for Endpoint",
 43    "Data Source: Sysmon",
 44    "Data Source: SentinelOne",
 45]
 46timestamp_override = "event.ingested"
 47type = "eql"
 48
 49query = '''
 50process where host.os.type == "windows" and event.type == "start" and
 51  process.parent.name : "CompatTelRunner.exe" and process.args : "-cv*" and
 52  not process.name : ("conhost.exe",
 53                      "DeviceCensus.exe",
 54                      "CompatTelRunner.exe",
 55                      "DismHost.exe",
 56                      "rundll32.exe",
 57                      "powershell.exe")
 58'''
 59
 60
 61[[rule.threat]]
 62framework = "MITRE ATT&CK"
 63[[rule.threat.technique]]
 64id = "T1053"
 65name = "Scheduled Task/Job"
 66reference = "https://attack.mitre.org/techniques/T1053/"
 67[[rule.threat.technique.subtechnique]]
 68id = "T1053.005"
 69name = "Scheduled Task"
 70reference = "https://attack.mitre.org/techniques/T1053/005/"
 71
 72
 73[[rule.threat.technique]]
 74id = "T1574"
 75name = "Hijack Execution Flow"
 76reference = "https://attack.mitre.org/techniques/T1574/"
 77
 78
 79[rule.threat.tactic]
 80id = "TA0003"
 81name = "Persistence"
 82reference = "https://attack.mitre.org/tactics/TA0003/"
 83[[rule.threat]]
 84framework = "MITRE ATT&CK"
 85[[rule.threat.technique]]
 86id = "T1053"
 87name = "Scheduled Task/Job"
 88reference = "https://attack.mitre.org/techniques/T1053/"
 89[[rule.threat.technique.subtechnique]]
 90id = "T1053.005"
 91name = "Scheduled Task"
 92reference = "https://attack.mitre.org/techniques/T1053/005/"
 93
 94
 95[[rule.threat.technique]]
 96id = "T1574"
 97name = "Hijack Execution Flow"
 98reference = "https://attack.mitre.org/techniques/T1574/"
 99
100
101[rule.threat.tactic]
102id = "TA0004"
103name = "Privilege Escalation"
104reference = "https://attack.mitre.org/tactics/TA0004/"