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LowSigmaHQJosh Nickels +1

Suspicious Deno File Written from Remote Source

Detects Deno writing a file from a direct HTTP(s) call and writing to the appdata folder or bringing it's own malicious DLL. This behavior may indicate an attempt to execute remotely hosted, potentially malicious…

Description

Detects Deno writing a file from a direct HTTP(s) call and writing to the appdata folder or bringing it's own malicious DLL. This behavior may indicate an attempt to execute remotely hosted, potentially malicious files through deno.

Detection logic

Detection requirements

Platform
ContainersESXiIaaSLinuxmacOSNetwork DevicesWindows

The rule states no platform. This is derived from the 3 ATT&CK techniques it maps to.

Log source product
windows
Log source category
file_event

Known benign triggers

  • Legitimate usage of deno to request a file or bring a DLL to a host

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