Multiple discovery commands on a Linux host by the same process

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	10 Minutes
Deduplication Period	1 Day
Required Data	XDR Agent
ATT&CK Tactic	Discovery (TA0007)
ATT&CK Technique	Remote System Discovery (T1018), System Information Discovery (T1082), System Network Configuration Discovery (T1016), System Service Discovery (T1007)
Severity	Informational

Description

The alerted process performed multiple consecutive discovery commands in a short timeframe.

Attacker's Goals

Collect information about the host, network and user configuration for lateral movement and privilege escalation.

Investigative actions

• Verify if the script or process initiating the discovery commands is benign.
• Verify that this isn't sanctioned IT activity.
• Look for other hosts executing similar commands.

Variations

Multiple discovery commands on a Linux host by the same process

Synopsis

Field	Value
ATT&CK Tactic	Discovery (TA0007)
ATT&CK Technique	Remote System Discovery (T1018), System Information Discovery (T1082), System Network Configuration Discovery (T1016), System Service Discovery (T1007)
Severity	Medium

Description

The alerted process performed multiple consecutive discovery commands in a short timeframe.

Attacker's Goals

Collect information about the host, network and user configuration for lateral movement and privilege escalation.

Investigative actions

• Verify if the script or process initiating the discovery commands is benign.
• Verify that this isn't sanctioned IT activity.
• Look for other hosts executing similar commands.

Multiple discovery commands on a Linux host by the same process

Synopsis

Field	Value
ATT&CK Tactic	Discovery (TA0007)
ATT&CK Technique	Remote System Discovery (T1018), System Information Discovery (T1082), System Network Configuration Discovery (T1016), System Service Discovery (T1007)
Severity	Low

Description

The alerted process performed multiple consecutive discovery commands in a short timeframe.

Attacker's Goals

Collect information about the host, network and user configuration for lateral movement and privilege escalation.

Investigative actions

• Verify if the script or process initiating the discovery commands is benign.
• Verify that this isn't sanctioned IT activity.
• Look for other hosts executing similar commands.