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Reference: https://medium.com/@reegun/curl-exe-is-the-new-rundll32-exe-lolbin-3f79c5f35983
author: Sreeman
description: Adversaries can use curl to download payloads remotely and execute them
without touching disk. Curl is included by default in Windows 10 build 17063 and
later.
detection:
condition: selection
selection:
CommandLine|re:
- .*(?i)curl.*(http|https|ftp|ftps)://\b(?:\d{1,3}\.){3}\d{1,3}\b./*.* &[&]?
start.*
- .*(?i)curl.*(http|https|ftp|ftps)://.*/.* &[&]? start.*
falsepositives:
- unlikely
fields:
- CommandLine
level: medium
logsource:
category: process_creation
product: windows
status: stable
title: Monitoring curl for LOLbin execution
tags:
- attack.defense evasion
- attack.execution
- attack.g0032
- attack.g0068
- attack.t1059