Kubernetes nsenter container escape

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	7 Days
Required Data	XDR Agent
Detector Tags	Kubernetes - AGENT, Containers
ATT&CK Tactic	Privilege Escalation (TA0004)
ATT&CK Technique	Escape to Host (T1611)
Severity	Informational

Description

The nsenter command was used to execute a process in the context of the initialization process.

Attacker's Goals

Attackers may break out of a container to run commands on the host.

Investigative actions

Check whether the executing process is benign and if this was a desired behavior as part of its normal execution flow.

Variations

Kubernetes nsenter container escape from a new Pod

Synopsis

Field	Value
ATT&CK Tactic	Privilege Escalation (TA0004)
ATT&CK Technique	Escape to Host (T1611)
Severity	Medium

Description

The nsenter command was used to execute a process in the context of the initialization process.

Attacker's Goals

Attackers may break out of a container to run commands on the host.

Investigative actions

Check whether the executing process is benign and if this was a desired behavior as part of its normal execution flow.

Kubernetes nsenter container escape from a Pod

Synopsis

Field	Value
ATT&CK Tactic	Privilege Escalation (TA0004)
ATT&CK Technique	Escape to Host (T1611)
Severity	Low

Description

The nsenter command was used to execute a process in the context of the initialization process.

Attacker's Goals

Attackers may break out of a container to run commands on the host.

Investigative actions

Check whether the executing process is benign and if this was a desired behavior as part of its normal execution flow.