尝试访问私钥

编辑

攻击者可能会尝试访问私钥(例如 ssh),以获得对环境的进一步身份验证访问权限。

规则类型: eql

规则索引:

  • logs-endpoint.events.process-*
  • logs-windows.sysmon_operational-*
  • endgame-*
  • logs-system.security*
  • winlogbeat-*

严重性: 低

风险评分: 21

每隔: 60 分钟

搜索索引自: now-119m (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: 无

标签:

  • 域:端点
  • 操作系统:Windows
  • 用例:威胁检测
  • 战术:凭据访问
  • 数据源:Elastic Defend
  • 规则类型:BBR
  • 数据源:Sysmon
  • 数据源:Elastic Endgame
  • 数据源:系统

版本: 106

规则作者:

  • Elastic

规则许可证: Elastic License v2

规则查询

编辑
process where host.os.type == "windows" and event.type == "start" and
  process.args : ("*.pem *", "*.pem", "*.id_rsa*") and
  not process.args: ("--tls-cert", "--ssl-cert") and
  not process.executable : (
    "?:\\ProgramData\\Logishrd\\LogiOptions\\Software\\*\\LogiLuUpdater.exe",
    "?:\\Program Files\\Elastic\\Agent\\data\\*\\osqueryd.exe",
    "?:\\Program Files\\Guardicore\\gc-controller.exe",
    "?:\\Program Files\\Guardicore\\gc-deception-agent.exe",
    "?:\\Program Files\\Guardicore\\gc-detection-agent.exe",
    "?:\\Program Files\\Guardicore\\gc-enforcement-agent.exe",
    "?:\\Program Files\\Guardicore\\gc-guest-agent.exe",
    "?:\\Program Files\\Logi\\LogiBolt\\LogiBoltUpdater.exe",
    "?:\\Program Files (x86)\\Schneider Electric EcoStruxure\\Building Operation 5.0\\Device Administrator\\Python\\python.exe",
    "?:\\Program Files\\Splunk\\bin\\openssl.exe",
    "?:\\Program Files\\SplunkUniversalForwarder\\bin\\openssl.exe",
    "?:\\Users\\*\\AppData\\Local\\Logi\\LogiBolt\\LogiBoltUpdater.exe",
    "?:\\Windows\\system32\\icacls.exe",
    "?:\\Windows\\System32\\OpenSSH\\*"
  )

框架: MITRE ATT&CKTM