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Discovery Command Output Written to Suspicious File

Detects when a discovery command is executed followed by the immediate modification of a suspicious file via the same process. Many types of malware execute discovery commands, save the output to a file, and then…

Description

Detects when a discovery command is executed followed by the immediate modification of a suspicious file via the same process. Many types of malware execute discovery commands, save the output to a file, and then exfiltrate that file via their C2 channel.

Detection logic

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Detection requirements

Platform
ESXiIaaSLinuxmacOSNetwork DevicesWindows

The rule states no platform. This is derived from the 4 ATT&CK techniques it maps to.

Log source category
event_index

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