File and Directory Permissions Modification

Adversaries may modify file or directory permissions to evade defenses.

Indicator Removal: Clear Command History

Adversaries may remove indicators of compromise from the host to evade detection.

Deletes itself

Deletes system logs

Deletes log file which contains global system messages. Adversaries may delete system logs to minimize their footprint.

Disables AppArmor Mandatory Access Control

Stops or disables AppArmor via systemctl, removing mandatory access control restrictions on process capabilities and file access.

Executes dropped EXE

Flushes firewall rules

Flushes/ disables firewall rules inside the Linux kernel.

Modifies the /etc/hosts DNS resolution file

Modifying the /etc/hosts name-resolution file changes IP routing, which can facilitate traffic hijacking or the blocking of (security update) endpoints.

Checks hardware identifiers (DMI)

Checks DMI information which indicate if the system is a virtual machine.

Deletes log files

Deletes log files on the system.

Disables SELinux

Disables SELinux security module.

Enumerates running processes

Discovers information about currently running processes on the system

UPX packed file

Detects executables packed with UPX/modified UPX open source packer.