Analytics BIOC Low

Linux system firewall was modified

The system firewall was modified.

Module:
Platform Analytics
Data source:
XDR Agent with eXtended Threat Hunting (XTH)
ATT&CK tactics: Defense Evasion (TA0005)
ATT&CK techniques: Impair Defenses: Disable or Modify System Firewall (T1562.004)
Attacker's goals:

Exfiltrate data or move laterally in the organization.

Investigative actions:

Examine the command to understand which IPs or ports were affected. Check the communication allowed by the modified firewall rule.

Test period:
N/A (single event)
Deduplication:
1 Day