Modification of rc.common Script

During the boot process, macOS executes source /etc/rc.common, which is a shell script containing various utility functions. Adversaries can use the rc.common file as a way to hide code for persistence.

id:11db63f4-15eb-47f7-8e69-e4879bace2b0
categories:enrich
confidence:low
os:macos
created:7/26/2019
updated:7/26/2019

MITRE ATT&CK™ Mapping

tactics:Persistence
techniques:T1163 Rc.common

Query

file where file_name == "rc.common"

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