不常见的注册表持久化更改

编辑

检测对注册表持久化密钥的更改,这些密钥通常不被合法程序使用或修改。这可能是攻击者试图以隐蔽方式持久化的迹象。

规则类型: eql

规则索引:

  • logs-endpoint.events.registry-*
  • logs-windows.sysmon_operational-*
  • winlogbeat-*

严重性: 中等

风险评分: 47

每隔: 5m

搜索索引自: now-9m (日期数学格式,另请参见 额外回溯时间)

每次执行的最大警报数: 100

参考:

标签:

  • 领域:端点
  • 操作系统:Windows
  • 用例:威胁检测
  • 战术:持久化
  • 数据源:Elastic Defend
  • 数据源:Sysmon

版本: 211

规则作者:

  • Elastic

规则许可证: Elastic License v2

规则查询

编辑
registry where host.os.type == "windows" and event.type == "change" and
 length(registry.data.strings) > 0 and
 registry.path : (
      "HKLM\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Terminal Server\\Install\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run\\*",
      "HKLM\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Terminal Server\\Install\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Runonce\\*",
      "HKEY_USERS\\*\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Windows\\Load",
      "HKEY_USERS\\*\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Windows\\Run",
      "HKLM\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Windows\\IconServiceLib",
      "HKLM\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Winlogon\\Shell",
      "HKEY_USERS\\*\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Winlogon\\Shell",
      "HKLM\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Winlogon\\AppSetup",
      "HKLM\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Winlogon\\Taskman",
      "HKLM\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Winlogon\\Userinit",
      "HKLM\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Winlogon\\VmApplet",
      "HKLM\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer\\Run\\*",
      "HKLM\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Policies\\System\\Shell",
      "HKLM\\SOFTWARE\\Policies\\Microsoft\\Windows\\System\\Scripts\\Logoff\\Script",
      "HKLM\\SOFTWARE\\Policies\\Microsoft\\Windows\\System\\Scripts\\Logon\\Script",
      "HKLM\\SOFTWARE\\Policies\\Microsoft\\Windows\\System\\Scripts\\Shutdown\\Script",
      "HKLM\\SOFTWARE\\Policies\\Microsoft\\Windows\\System\\Scripts\\Startup\\Script",
      "HKEY_USERS\\*\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer\\Run\\*",
      "HKEY_USERS\\*\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Policies\\System\\Shell",
      "HKEY_USERS\\*\\SOFTWARE\\Policies\\Microsoft\\Windows\\System\\Scripts\\Logoff\\Script",
      "HKEY_USERS\\*\\SOFTWARE\\Policies\\Microsoft\\Windows\\System\\Scripts\\Logon\\Script",
      "HKEY_USERS\\*\\SOFTWARE\\Policies\\Microsoft\\Windows\\System\\Scripts\\Shutdown\\Script",
      "HKEY_USERS\\*\\SOFTWARE\\Policies\\Microsoft\\Windows\\System\\Scripts\\Startup\\Script",
      "HKLM\\SOFTWARE\\Microsoft\\Active Setup\\Installed Components\\*\\ShellComponent",
      "HKLM\\SOFTWARE\\Microsoft\\Windows CE Services\\AutoStartOnConnect\\MicrosoftActiveSync",
      "HKLM\\SOFTWARE\\Microsoft\\Windows CE Services\\AutoStartOnDisconnect\\MicrosoftActiveSync",
      "HKLM\\SOFTWARE\\Microsoft\\Ctf\\LangBarAddin\\*\\FilePath",
      "HKLM\\SOFTWARE\\Microsoft\\Internet Explorer\\Extensions\\*\\Exec",
      "HKLM\\SOFTWARE\\Microsoft\\Internet Explorer\\Extensions\\*\\Script",
      "HKLM\\SOFTWARE\\Microsoft\\Command Processor\\Autorun",
      "HKEY_USERS\\*\\SOFTWARE\\Microsoft\\Ctf\\LangBarAddin\\*\\FilePath",
      "HKEY_USERS\\*\\SOFTWARE\\Microsoft\\Internet Explorer\\Extensions\\*\\Exec",
      "HKEY_USERS\\*\\SOFTWARE\\Microsoft\\Internet Explorer\\Extensions\\*\\Script",
      "HKEY_USERS\\*\\SOFTWARE\\Microsoft\\Command Processor\\Autorun",
      "HKEY_USERS\\*\\Control Panel\\Desktop\\scrnsave.exe",
      "HKLM\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Image File Execution Options\\*\\VerifierDlls",
      "HKLM\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Winlogon\\GpExtensions\\*\\DllName",
      "HKLM\\SYSTEM\\ControlSet*\\Control\\SafeBoot\\AlternateShell",
      "HKLM\\SYSTEM\\ControlSet*\\Control\\Terminal Server\\Wds\\rdpwd\\StartupPrograms",
      "HKLM\\SYSTEM\\ControlSet*\\Control\\Terminal Server\\WinStations\\RDP-Tcp\\InitialProgram",
      "HKLM\\SYSTEM\\ControlSet*\\Control\\Session Manager\\BootExecute",
      "HKLM\\SYSTEM\\ControlSet*\\Control\\Session Manager\\SetupExecute",
      "HKLM\\SYSTEM\\ControlSet*\\Control\\Session Manager\\Execute",
      "HKLM\\SYSTEM\\ControlSet*\\Control\\Session Manager\\S0InitialCommand",
      "HKLM\\SYSTEM\\ControlSet*\\Control\\ServiceControlManagerExtension",
      "HKLM\\SYSTEM\\ControlSet*\\Control\\BootVerificationProgram\\ImagePath",
      "HKLM\\SYSTEM\\Setup\\CmdLine",
      "HKEY_USERS\\*\\Environment\\UserInitMprLogonScript") and

 not registry.data.strings : ("C:\\Windows\\system32\\userinit.exe", "cmd.exe", "C:\\Program Files (x86)\\*.exe",
                              "C:\\Program Files\\*.exe") and
 not (process.name : "rundll32.exe" and registry.path : "*\\Software\\Microsoft\\Internet Explorer\\Extensions\\*\\Script") and
 not process.executable : ("C:\\Windows\\System32\\msiexec.exe",
                           "C:\\Windows\\SysWOW64\\msiexec.exe",
                           "C:\\ProgramData\\Microsoft\\Windows Defender\\Platform\\*\\MsMpEng.exe",
                           "C:\\Program Files\\*.exe",
                           "C:\\Program Files (x86)\\*.exe") and
 not (process.name : ("TiWorker.exe", "poqexec.exe") and registry.value : "SetupExecute" and
      registry.data.strings : (
        "C:\\windows\\System32\\poqexec.exe /display_progress \\SystemRoot\\WinSxS\\pending.xml",
        "C:\\Windows\\System32\\poqexec.exe /skip_critical_poq /display_progress \\SystemRoot\\WinSxS\\pending.xml"
      )
     ) and
 not (process.name : "svchost.exe" and registry.value : "SCRNSAVE.EXE" and
      registry.data.strings : (
        "%windir%\\system32\\rundll32.exe user32.dll,LockWorkStation",
        "scrnsave.scr",
        "%windir%\\system32\\Ribbons.scr"
      )
     )

框架: MITRE ATT&CKTM