Unusual Process Spawned by Nginx in Ingress-Nginx pod

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	1 Day
Required Data	XDR Agent
Detector Tags	Kubernetes - AGENT, Containers
ATT&CK Tactic	Execution (TA0002), Initial Access (TA0001)
ATT&CK Technique	Command and Scripting Interpreter (T1059), Exploit Public-Facing Application (T1190)
Severity	Low

Description

Unusual Process Spawned by Nginx in Ingress-Nginx pod.

Attacker's Goals

An attacker attempts to use nginx for lateral movement or privilege escalation.

Investigative actions

• Investigate the child processes for malicious activity and network connections to an external host.

Variations

Unusual process spawned by ingress-nginx with a critical-severity vulnerability found the workload

Synopsis

Field	Value
ATT&CK Tactic	Execution (TA0002), Initial Access (TA0001)
ATT&CK Technique	Command and Scripting Interpreter (T1059), Exploit Public-Facing Application (T1190)
Severity	High

Description

Unusual Process Spawned by Nginx in Ingress-Nginx pod.

Attacker's Goals

An attacker attempts to use nginx for lateral movement or privilege escalation.

Investigative actions

• Investigate the child processes for malicious activity and network connections to an external host.