File and Directory Permissions Modification

Adversaries may modify file or directory permissions to evade defenses.

Executes dropped EXE

Loads a kernel module

Loads a Linux kernel module, potentially to achieve persistence

Unexpected DNS network traffic destination

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Reads AppArmor ptrace settings

Discovery of allowed ptrace capabilities by AppArmor.

Attempts to change immutable files

Modifies inode attributes on the filesystem to allow changing of immutable files.

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.

Enumerates running processes

Discovers information about currently running processes on the system

Reads hardware information

Accesses system info like serial numbers, manufacturer names etc.

Reads network interface configuration

Fetches information about one or more active network interfaces.

UPX packed file

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