sequence by process.parent.entity_id with maxspan=1m
[process where host.os.type == "windows" and event.action == "start" and process.name : "ping.exe" and
process.args : "-n" and process.parent.name : "cmd.exe" and not user.id : "S-1-5-18"]
[process where host.os.type == "windows" and event.action == "start" and
process.parent.name : "cmd.exe" and
(
process.name : (
"rundll32.exe", "powershell.exe",
"mshta.exe", "msbuild.exe",
"certutil.exe", "regsvr32.exe",
"powershell.exe", "cscript.exe",
"wscript.exe", "wmic.exe",
"installutil.exe", "msxsl.exe",
"Microsoft.Workflow.Compiler.exe",
"ieexec.exe", "iexpress.exe",
"RegAsm.exe", "installutil.exe",
"RegSvcs.exe", "RegAsm.exe"
) or
(process.executable : "?:\\Users\\*\\AppData\\*.exe" and not process.code_signature.trusted == true)
) and
not process.args : ("?:\\Program Files\\*", "?:\\Program Files (x86)\\*") and
not (process.name : ("openssl.exe", "httpcfg.exe", "certutil.exe") and process.parent.command_line : "*ScreenConnectConfigurator.cmd*") and
not (process.pe.original_file_name : "DPInst.exe" and process.command_line : "driver\\DPInst_x64 /f ") and
not (process.name : "powershell.exe" and process.args : "Write-Host ======*") and
not (process.name : "wscript.exe" and process.args : "launchquiet_args.vbs" and process.parent.args : "?:\\Windows\\TempInst\\7z*") and
not (process.name : "regsvr32.exe" and process.args : ("?:\\windows\\syswow64\\msxml?.dll", "msxml?.dll", "?:\\Windows\\SysWOW64\\mschrt20.ocx")) and
not (process.name : "wscript.exe" and
process.working_directory :
("?:\\Windows\\TempInst\\*",
"?:\\Users\\*\\AppData\\Local\\Temp\\BackupBootstrapper\\Logs\\",
"?:\\Users\\*\\AppData\\Local\\Temp\\QBTools\\"))
]
Install detection rules in Elastic Security
Detect Delayed Execution via Ping in the Elastic Security detection engine by installing this rule into your Elastic Stack.
To setup this rule, check out the installation guide for Prebuilt Security Detection Rules(opens in a new tab or window).