Suspicious Child Process Of BgInfo.EXE

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About the rule

Rule Type

Standard

Rule Description

Detects suspicious child processes of "BgInfo.exe" which could be a sign of potential abuse of the binary to proxy execution via external VBScript

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Process started" AND PARENTPROCESSNAME endswith "\bginfo.exe,\bginfo64.exe" AND (PROCESSNAME endswith "\calc.exe,\cmd.exe,\cscript.exe,\mshta.exe,\notepad.exe,\powershell.exe,\pwsh.exe,\wscript.exe" OR PROCESSNAME contains "\AppData\Local\,\AppData\Roaming\,:\Users\Public\,:\Temp\,:\Windows\Temp\,:\PerfLogs") select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME

Detection

Execution Mode

realtime

Log Sources

Windows

Author

Nasreddine Bencherchali (Nextron Systems)