Elastic medium stable eql
Suspicious Endpoint Security Parent Process
A suspicious Endpoint Security parent process was detected. This may indicate a process hollowing or other form of code injection.
Detection Logic
process where host.os.type == "windows" and event.type == "start" and
process.name : ("esensor.exe", "elastic-endpoint.exe") and
process.parent.executable != null and
process.args != null and
/* add FPs here */
not process.parent.executable : (
"?:\\Program Files\\Elastic\\*",
"?:\\Windows\\System32\\services.exe",
"?:\\Windows\\System32\\WerFault*.exe",
"?:\\Windows\\System32\\wermgr.exe",
"?:\\Windows\\explorer.exe"
) and
not (
process.parent.executable : (
"?:\\Windows\\System32\\cmd.exe",
"?:\\Windows\\System32\\SecurityHealthHost.exe",
"?:\\Windows\\System32\\SecurityHealth\\*\\SecurityHealthHost.exe",
"?:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe"
) and
process.args : (
"test", "version",
"top", "run",
"*help", "status",
"upgrade", "/launch",
"/enable", "/av"
)
) Field Validations
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