Persistence via TelemetryController Scheduled Task Hijack

  1[metadata]
  2creation_date = "2020/08/17"
  3integration = ["endpoint", "windows", "system", "m365_defender", "sentinel_one_cloud_funnel", "crowdstrike"]
  4maturity = "production"
  5updated_date = "2024/11/02"
  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    "logs-crowdstrike.fdr*",
 26]
 27language = "eql"
 28license = "Elastic License v2"
 29name = "Persistence via TelemetryController Scheduled Task Hijack"
 30references = ["https://www.trustedsec.com/blog/abusing-windows-telemetry-for-persistence"]
 31risk_score = 73
 32rule_id = "68921d85-d0dc-48b3-865f-43291ca2c4f2"
 33severity = "high"
 34tags = [
 35    "Domain: Endpoint",
 36    "OS: Windows",
 37    "Use Case: Threat Detection",
 38    "Tactic: Persistence",
 39    "Tactic: Privilege Escalation",
 40    "Data Source: Elastic Endgame",
 41    "Data Source: Elastic Defend",
 42    "Data Source: System",
 43    "Data Source: Microsoft Defender for Endpoint",
 44    "Data Source: Sysmon",
 45    "Data Source: SentinelOne",
 46    "Data Source: Crowdstrike",
 47]
 48timestamp_override = "event.ingested"
 49type = "eql"
 50
 51query = '''
 52process where host.os.type == "windows" and event.type == "start" and
 53  process.parent.name : "CompatTelRunner.exe" and process.args : "-cv*" and
 54  not process.name : ("conhost.exe",
 55                      "DeviceCensus.exe",
 56                      "CompatTelRunner.exe",
 57                      "DismHost.exe",
 58                      "rundll32.exe",
 59                      "powershell.exe")
 60'''
 61
 62
 63[[rule.threat]]
 64framework = "MITRE ATT&CK"
 65[[rule.threat.technique]]
 66id = "T1053"
 67name = "Scheduled Task/Job"
 68reference = "https://attack.mitre.org/techniques/T1053/"
 69[[rule.threat.technique.subtechnique]]
 70id = "T1053.005"
 71name = "Scheduled Task"
 72reference = "https://attack.mitre.org/techniques/T1053/005/"
 73
 74
 75[[rule.threat.technique]]
 76id = "T1574"
 77name = "Hijack Execution Flow"
 78reference = "https://attack.mitre.org/techniques/T1574/"
 79
 80
 81[rule.threat.tactic]
 82id = "TA0003"
 83name = "Persistence"
 84reference = "https://attack.mitre.org/tactics/TA0003/"
 85[[rule.threat]]
 86framework = "MITRE ATT&CK"
 87[[rule.threat.technique]]
 88id = "T1053"
 89name = "Scheduled Task/Job"
 90reference = "https://attack.mitre.org/techniques/T1053/"
 91[[rule.threat.technique.subtechnique]]
 92id = "T1053.005"
 93name = "Scheduled Task"
 94reference = "https://attack.mitre.org/techniques/T1053/005/"
 95
 96
 97[[rule.threat.technique]]
 98id = "T1574"
 99name = "Hijack Execution Flow"
100reference = "https://attack.mitre.org/techniques/T1574/"
101
102
103[rule.threat.tactic]
104id = "TA0004"
105name = "Privilege Escalation"
106reference = "https://attack.mitre.org/tactics/TA0004/"