持久可疑程序执行
编辑持久可疑程序执行
编辑通过查看进程 lineage 和命令行用法,识别可疑持久程序(脚本、rundll32 等)的执行。
规则类型: eql
规则索引:
- winlogbeat-*
- logs-endpoint.events.process-*
- logs-windows.sysmon_operational-*
- endgame-*
严重性: 中等
风险评分: 47
运行频率: 5 分钟
搜索索引时间范围: now-9m (日期数学格式,另请参见 附加回溯时间
)
每次执行的最大告警数: 100
参考资料: 无
标签:
- 领域: 端点
- 操作系统: Windows
- 用例: 威胁检测
- 战术: 持久性
- 数据源: Elastic Endgame
- 数据源: Elastic Defend
- 数据源: Sysmon
版本: 207
规则作者:
- Elastic
规则许可证: Elastic License v2
规则查询
编辑/* userinit followed by explorer followed by early child process of explorer (unlikely to be launched interactively) within 1m */ sequence by host.id, user.name with maxspan=1m [process where host.os.type == "windows" and event.type == "start" and process.name : "userinit.exe" and process.parent.name : "winlogon.exe"] [process where host.os.type == "windows" and event.type == "start" and process.name : "explorer.exe"] [process where host.os.type == "windows" and event.type == "start" and process.parent.name : "explorer.exe" and /* add suspicious programs here */ process.pe.original_file_name in ("cscript.exe", "wscript.exe", "PowerShell.EXE", "MSHTA.EXE", "RUNDLL32.EXE", "REGSVR32.EXE", "RegAsm.exe", "MSBuild.exe", "InstallUtil.exe") and /* add potential suspicious paths here */ process.args : ("C:\\Users\\*", "C:\\ProgramData\\*", "C:\\Windows\\Temp\\*", "C:\\Windows\\Tasks\\*", "C:\\PerfLogs\\*", "C:\\Intel\\*") ]
框架: MITRE ATT&CKTM
-
战术
- 名称: 持久性
- ID: TA0003
- 参考网址: https://attack.mitre.org/tactics/TA0003/
-
技术
- 名称: 启动或登录自动启动执行
- ID: T1547
- 参考网址: https://attack.mitre.org/techniques/T1547/
-
子技术
- 名称: 注册表运行键/启动文件夹
- ID: T1547.001
- 参考网址: https://attack.mitre.org/techniques/T1547/001/