持续性可疑程序的执行
编辑持续性可疑程序的执行编辑
通过查看进程谱系和命令行使用情况，识别可疑持久性程序（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-*
严重程度：中等
风险评分: 47
运行频率：5 分钟
搜索索引的时间范围：now-9m（日期数学格式，另请参阅 其他回溯时间）
每次执行的最大警报数: 100
参考：无
标签:
- 域：终端
- 操作系统：Windows
- 用例：威胁检测
- 战术：持久化
- 数据源：Elastic Endgame
- 数据源：Elastic Defend
- 数据源：Sysmon
版本: 107
规则作者:
- Elastic
规则许可证：Elastic 许可证 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：持久化
- ID：TA0003
- 参考 URL：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 URL：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 URL：https://attack.mitre.org/techniques/T1547/001/