File and Directory Permissions Modification

Adversaries may modify file or directory permissions to evade defenses.

Executes dropped EXE

Outbound SSH connection to public host

SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

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.

Enumerates running processes

Discovers information about currently running processes on the system

Looks up external IP address via web service

Uses a legitimate IP lookup service to find the infected system's external IP.

Modifies systemd

Adds/ modifies systemd service files. Likely to achieve persistence.

Reads system routing table

Gets active network interfaces from /proc virtual filesystem.

Write file to user bin folder

Modifies Bash startup script

UPX packed file

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