File and Directory Permissions Modification

Adversaries may modify file or directory permissions to evade defenses.

Deletes itself

Executes dropped EXE

Renames itself

Abuse Elevation Control Mechanism: Sudo and Sudo Caching

Abuse sudo or cached sudo credentials to execute code.

Checks hardware identifiers (DMI)

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

Creates/modifies Cron job

Cron allows running tasks on a schedule, and is commonly used for malware persistence.

Deletes log files

Deletes log files on the system.

Enumerates running processes

Discovers information about currently running processes on the system

Modifies init.d

Adds/modifies system service, likely for persistence.

Modifies rc script

Adding/modifying system rc scripts is a common persistence mechanism.

Reads hardware information

Accesses system info like serial numbers, manufacturer names etc.

Reads list of loaded kernel modules

Reads the list of currently loaded kernel modules, possibly to detect virtual environments.

Write file to user bin folder

Writes file to system bin folder