File and Directory Permissions Modification

Adversaries may modify file or directory permissions to evade defenses.

Executes dropped EXE

Modifies PAM framework files

Modifies Linux PAM framework files, possibly to intercept credentials.

Modifies Polkit authorization policy

Rule or action files in the Polkit framework are written to, potentially allowing a process or user to execute privileged operations without requiring authentication.

Modifies sudoers policy

Writes to /etc/sudoers or a drop-in config, potentially granting passwordless root access to a user or process.

OS Credential Dumping

Adversaries may attempt to dump credentials to use it in password cracking.

Reads user data of web browsers

Reads stored browser data which can include saved credentials.

Abuse Elevation Control Mechanism: Sudo and Sudo Caching

Abuse sudo or cached sudo credentials to execute code.

Reads AppArmor ptrace settings

Discovery of allowed ptrace capabilities by AppArmor.

Checks mountinfo of local process

Checks mountinfo of running processes which indicate if it is running in chroot jail.

Creates/modifies Cron job

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

Creates/modifies environment variables

Creating/modifying environment variables is a common persistence mechanism.

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.

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

Modifies Bash startup script