T1563

Remote Service Session Hijacking

Lateral Movement

Description

Adversaries may take control of preexisting sessions with remote services to move laterally in an environment. Users may use valid credentials to log into a service specifically designed to accept remote connections, such as telnet, SSH, and RDP. When a user logs into a service, a session will be established that will allow them to maintain a continuous interaction with that service.Adversaries may commandeer these sessions to carry out actions on remote systems. [Remote Service Session Hijacking](https://attack.mitre.org/techniques/T1563) differs from use of [Remote Services](https://attack.mitre.org/techniques/T1021) because it hijacks an existing session rather than creating a new session using [Valid Accounts](https://attack.mitre.org/techniques/T1078).(Citation: RDP Hijacking Medium)(Citation: Breach Post-mortem SSH Hijack)

Platforms

LinuxmacOSWindows

Mitigations

M1030 — Network Segmentation
M1042 — Disable or Remove Feature or Program
M1027 — Password Policies
M1018 — User Account Management
M1026 — Privileged Account Management

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Source: MITRE ATT&CK Enterprise matrix. View on attack.mitre.org →