detecting-container-escape-attempts

name	detecting-container-escape-attempts
description	Container escape is a critical attack technique where an adversary breaks out of container isolation to access the host system or other containers. Detection involves monitoring for escape indicators. Use when working with detecting container escape attempts.
domain	cybersecurity
subdomain	container-security
tags	["containers","kubernetes","docker","security","runtime-security","escape-detection"]
version	1.0
author	oyi77
license	Apache-2.0
d3fend_techniques	["Platform Monitoring","Process Code Segment Verification","Stack Frame Canary Validation","Segment Address Offset Randomization","Process Analysis"]
nist_csf	["PR.PS-01","PR.IR-01","ID.AM-08","DE.CM-01"]

Detecting Container Escape Attempts

Overview

Container escape is a critical attack technique where an adversary breaks out of container isolation to access the host system or other containers. Detection involves monitoring for escape indicators such as namespace manipulation, capability abuse, kernel exploits, mounted sensitive paths, and anomalous syscall patterns using runtime security tools like Falco, Sysdig, and custom seccomp/audit rules.

When to Use

Trigger phrases:

• "detecting container escape attempts"

• "When investigating security incidents that require detecting container escape at"

• "When building detection rules or threat hunting queries for this domain"

• "When SOC analysts need structured procedures for this analysis type"

• When investigating security incidents that require detecting container escape attempts

• When building detection rules or threat hunting queries for this domain

• When SOC analysts need structured procedures for this analysis type

• When validating security monitoring coverage for related attack techniques

Prerequisites

• Linux host with kernel 5.10+ (eBPF support)
• Falco 0.37+ installed (kernel module or eBPF probe)
• Docker Engine or containerd runtime
• auditd configured
• Root access for eBPF/kernel module loading

Core Concepts

This section covers core concepts for detecting container escape attempts.

• Ensure all prerequisites are met before proceeding
• Follow the documented workflow steps in sequence
• Record results and any anomalies encountered during this phase

Common Container Escape Vectors

Vector	Technique	MITRE ID
Privileged containers	Mount host filesystem, load kernel modules	T1611
Docker socket mount	Create privileged container from within	T1610
Kernel exploits	CVE-2022-0185 (fsconfig), Dirty Pipe, runc CVEs	T1068
Capability abuse	CAP_SYS_ADMIN, CAP_SYS_PTRACE, CAP_NET_ADMIN	T1548
Sensitive mounts	/proc/sysrq-trigger, /proc/kcore, cgroup release_agent