使用复制令牌创建进程
编辑使用复制令牌创建进程
编辑识别模拟其他用户登录会话令牌的进程的创建。攻击者可能会使用不同的令牌创建一个新进程,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: 中等
风险评分: 47
每隔: 5 分钟
搜索索引自: now-9m (日期数学格式,另请参见 额外回溯时间
)
每次执行的最大告警数: 100
参考资料:
标签:
- 领域: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: 3
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 user.id : ("S-1-5-21-*", "S-1-12-1-*") and (process.Ext.effective_parent.executable regex~ """[C-Z]:\\Windows\\(System32|SysWOW64)\\[a-zA-Z0-9\-\_\.]+\.exe""" or process.Ext.effective_parent.executable : "?:\\Windows\\explorer.exe") and ( process.name : ("powershell.exe", "cmd.exe", "rundll32.exe", "notepad.exe", "net.exe", "ntdsutil.exe", "tasklist.exe", "reg.exe", "certutil.exe", "bitsadmin.exe", "msbuild.exe", "esentutl.exe") or ((process.Ext.relative_file_creation_time <= 900 or process.Ext.relative_file_name_modify_time <= 900) and not process.code_signature.status : ("trusted", "errorExpired", "errorCode_endpoint*") and not process.executable : ("?:\\Program Files\\*", "?:\\Program Files (x86)\\*")) ) and not (process.name : "rundll32.exe" and process.command_line : ("*davclnt.dll,DavSetCookie*", "*?:\\Program Files*", "*\\Windows\\System32\\winethc.dll*", "*\\Windows\\SYSTEM32\\EDGEHTML.dll*", "*shell32.dll,SHCreateLocalServerRunDll*")) and not startswith~(process.Ext.effective_parent.name, process.parent.name) and not (process.name : "powershell.exe" and process.parent.name : "wmiprvse.exe" and process.Ext.effective_parent.executable : "?:\\Windows\\System32\\wsmprovhost.exe") and not (process.Ext.effective_parent.executable : "?:\\Windows\\System32\\RuntimeBroker.exe" and process.parent.executable : "?:\\Windows\\System32\\sihost.exe") and not (process.Ext.effective_parent.executable : "?:\\Windows\\System32\\sethc.exe" and process.parent.executable : "?:\\Windows\\System32\\svchost.exe") and not (process.Ext.effective_parent.executable : "?:\\Windows\\explorer.exe" and process.parent.executable : ("?:\\Windows\\System32\\svchost.exe", "?:\\Windows\\System32\\msiexec.exe", "?:\\Windows\\twain_32\\*.exe"))
框架: MITRE ATT&CKTM
-
策略
- 名称:权限提升
- ID:TA0004
- 参考网址:https://attack.mitre.org/tactics/TA0004/
-
技术
- 名称:访问令牌操作
- ID:T1134
- 参考网址:https://attack.mitre.org/techniques/T1134/
-
子技术
- 名称:令牌模拟/窃取
- ID:T1134.001
- 参考网址:https://attack.mitre.org/techniques/T1134/001/
-
子技术
- 名称:使用令牌创建进程
- ID:T1134.002
- 参考网址:https://attack.mitre.org/techniques/T1134/002/