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MediumSigmaHQNasreddine Bencherchali (Nextron Systems)

Potentially Suspicious CMD Shell Output Redirect

Detects inline Windows shell commands redirecting output via the ">" symbol to a suspicious location. This technique is sometimes used by malicious actors in order to redirect the output of reconnaissance commands…

Description

Detects inline Windows shell commands redirecting output via the ">" symbol to a suspicious location. This technique is sometimes used by malicious actors in order to redirect the output of reconnaissance commands such as "hostname" and "dir" to files for future exfiltration.

Detection logic

Detection requirements

Platform
LinuxmacOSWindows

The rule states no platform. This is derived from the ATT&CK technique it maps to.

Log source product
windows
Log source category
process_creation

Known benign triggers

  • Legitimate admin or third party scripts used for diagnostic collection might generate some false positives

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