异常进程扩展
编辑异常进程扩展编辑
识别运行具有异常扩展名的进程,这些扩展名通常对 Windows 可执行文件无效。
规则类型: eql
规则索引:
- logs-endpoint.events.process-*
严重性: 低
风险评分: 21
每: 60m 运行
从: now-119m 搜索索引 (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: 防御逃避
- 数据源: Elastic Defend
- 规则类型: BBR
版本: 4
规则作者:
- Elastic
规则许可证: Elastic 许可证 v2
规则查询编辑
process where host.os.type == "windows" and event.type == "start" and process.executable : "?*" and not process.name : ("*.exe", "*.com", "*.scr", "*.tmp", "*.dat") and not process.executable : ( "MemCompression", "Registry", "vmmem", "vmmemWSL", "?:\\Program Files\\Dell\\SupportAssistAgent\\*.p5x", "?:\\Program Files\\Docker\\Docker\\com.docker.service", "?:\\Users\\*\\AppData\\Local\\Intel\\AGS\\Libs\\AGSRunner.bin", "\\Device\\Mup\\*\\Software Management\\Select.Html.dep", "?:\\DJJApplications\\MedicalRecords\\bin\\Select.Html.dep", "?:\\ProgramData\\Software Management\\Select.Html.dep", "?:\\Program Files (x86)\\EnCase Applications\\Examiner Service\\EnCase64\\enhkey.dll", "?:\\Program Files (x86)\\Panda Security\\WAC\\PSNAEInj64.dll", "?:\\Program Files (x86)\\Johnson Controls\\LicenseActivator\\crp32002.ngn" ) and not ( (process.name : "C9632CF058AE4321B6B0B5EA39B710FE" and process.code_signature.subject_name == "Dell Inc") or (process.name : "*.upd" and process.code_signature.subject_name == "Bloomberg LP") or (process.name: "FD552E21-686E-413C-931D-3B82A9D29F3B" and process.code_signature.subject_name: "Adobe Inc.") or (process.name: "3B91051C-AE82-43C9-BCEF-0309CD2DD9EB" and process.code_signature.subject_name: "McAfee, LLC") or (process.name: "soffice.bin" and process.code_signature.subject_name: "The Document Foundation") or (process.name: ("VeeamVixProxy_*", "{????????-????-????-????-????????????}") and process.code_signature.subject_name: "Veeam Software Group GmbH") or (process.name: "1cv8p64.bin" and process.code_signature.subject_name: "LLC 1C-Soft") or (process.name: "AGSRunner.bin" and process.code_signature.subject_name: "Intel Corporation") )
框架: MITRE ATT&CKTM
-
战术
- 名称: 防御逃避
- ID: TA0005
- 参考 URL: https://attack.mitre.org/tactics/TA0005/
-
技术
- 名称: 伪装
- ID: T1036
- 参考 URL: https://attack.mitre.org/techniques/T1036/
-
子技术
- 名称: 伪装文件类型
- ID: T1036.008
- 参考 URL: https://attack.mitre.org/techniques/T1036/008/