使用提升的令牌创建的进程
编辑使用提升的令牌创建的进程
编辑识别以 SYSTEM 身份运行并模拟 Windows 核心二进制权限创建的进程。攻击者可能会使用不同的令牌创建新进程,以提升权限并绕过访问控制。
规则类型: eql
规则索引:
- logs-endpoint.events.process-*
严重性: 高
风险评分: 73
运行频率: 5 分钟
搜索索引时间范围: now-9m (日期数学格式,另请参阅 额外的回溯时间
)
每次执行的最大告警数: 100
参考:
标签:
- 域:端点
- 操作系统:Windows
- 用例:威胁检测
- 策略:权限提升
- 数据源:Elastic Defend
版本: 6
规则作者:
- Elastic
规则许可证: Elastic License v2
规则查询
编辑/* This rule is only compatible with Elastic Endpoint 8.4+ */ process where host.os.type == "windows" and event.action == "start" and /* CreateProcessWithToken and effective parent is a privileged MS native binary used as a target for token theft */ user.id : "S-1-5-18" and /* Token Theft target process usually running as service are located in one of the following paths */ process.Ext.effective_parent.executable : ("?:\\Windows\\*.exe", "?:\\Program Files\\*.exe", "?:\\Program Files (x86)\\*.exe", "?:\\ProgramData\\*") and /* Ignores Utility Manager in Windows running in debug mode */ not (process.Ext.effective_parent.executable : "?:\\Windows\\System32\\Utilman.exe" and process.parent.executable : "?:\\Windows\\System32\\Utilman.exe" and process.parent.args : "/debug") and /* Ignores Windows print spooler service with correlation to Access Intelligent Form */ not (process.parent.executable : "?\\Windows\\System32\\spoolsv.exe" and process.executable: "?:\\Program Files*\\Access\\Intelligent Form\\*\\LaunchCreate.exe") and /* Ignores Windows error reporting executables */ not process.executable : ("?:\\Windows\\System32\\WerFault.exe", "?:\\Windows\\SysWOW64\\WerFault.exe", "?:\\Windows\\System32\\WerFaultSecure.exe", "?:\\Windows\\SysWOW64\\WerFaultSecure.exe", "?:\\windows\\system32\\WerMgr.exe", "?:\\Windows\\SoftwareDistribution\\Download\\Install\\securityhealthsetup.exe") and /* Ignores Windows updates from TiWorker.exe that runs with elevated privileges */ not (process.parent.executable : "?:\\Windows\\WinSxS\\*\\TiWorker.exe" and process.executable : ("?:\\Windows\\Microsoft.NET\\Framework*.exe", "?:\\Windows\\WinSxS\\*.exe", "?:\\Windows\\System32\\inetsrv\\iissetup.exe", "?:\\Windows\\SysWOW64\\inetsrv\\iissetup.exe", "?:\\Windows\\System32\\inetsrv\\aspnetca.exe", "?:\\Windows\\SysWOW64\\inetsrv\\aspnetca.exe", "?:\\Windows\\System32\\lodctr.exe", "?:\\Windows\\SysWOW64\\lodctr.exe", "?:\\Windows\\System32\\netcfg.exe", "?:\\Windows\\Microsoft.NET\\Framework*\\*\\ngen.exe", "?:\\Windows\\Microsoft.NET\\Framework*\\*\\aspnet_regiis.exe")) and /* Ignores additional parent executables that run with elevated privileges */ not process.parent.executable : ("?:\\Windows\\System32\\AtBroker.exe", "?:\\Windows\\system32\\svchost.exe", "?:\\Program Files (x86)\\*.exe", "?:\\Program Files\\*.exe", "?:\\Windows\\System32\\msiexec.exe", "?:\\Windows\\System32\\DriverStore\\*") and /* Ignores Windows binaries with a trusted signature and specific signature name */ not (process.code_signature.trusted == true and process.code_signature.subject_name : ("philandro Software GmbH", "Freedom Scientific Inc.", "TeamViewer Germany GmbH", "Projector.is, Inc.", "TeamViewer GmbH", "Cisco WebEx LLC", "Dell Inc"))
框架: MITRE ATT&CKTM
-
策略
- 名称:权限提升
- ID:TA0004
- 参考 URL:https://attack.mitre.org/tactics/TA0004/
-
技术
- 名称:访问令牌操作
- ID:T1134
- 参考 URL:https://attack.mitre.org/techniques/T1134/
-
子技术
- 名称:使用令牌创建进程
- ID:T1134.002
- 参考 URL:https://attack.mitre.org/techniques/T1134/002/