Remote PsExec-like command execution

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	Impacket Analytics
ATT&CK Tactic	Lateral Movement (TA0008), Execution (TA0002)
ATT&CK Technique	Remote Services (T1021), System Services: Service Execution (T1569.002), Lateral Tool Transfer (T1570)
Severity	Informational

Description

A remotely triggered service initiated a command execution in a PsExec-like manner by a host that rarely triggers services to other remote hosts.

Attacker's Goals

Perform lateral movement to new hosts to expand the foothold within a network.

Investigative actions

• Investigate the processes being spawned on the host for malicious activities.
• Correlate the RPC call from the source host and understand which software initiated it.

Variations

Remote PsExec-like LOLBIN command execution from an unsigned non-standard PsExec service

Synopsis

Field	Value
ATT&CK Tactic	Lateral Movement (TA0008), Execution (TA0002)
ATT&CK Technique	Remote Services (T1021), System Services: Service Execution (T1569.002), Lateral Tool Transfer (T1570)
Severity	High

Description

A remotely triggered service initiated a command execution in a PsExec-like manner by a host that rarely triggers services to other remote hosts.

Attacker's Goals

Perform lateral movement to new hosts to expand the foothold within a network.

Investigative actions

• Investigate the processes being spawned on the host for malicious activities.
• Correlate the RPC call from the source host and understand which software initiated it.

Remote PsExec-like LOLBIN command execution from a signed non-standard PsExec service

Synopsis

Field	Value
ATT&CK Tactic	Lateral Movement (TA0008), Execution (TA0002)
ATT&CK Technique	Remote Services (T1021), System Services: Service Execution (T1569.002), Lateral Tool Transfer (T1570)
Severity	Medium

Description

A remotely triggered service initiated a command execution in a PsExec-like manner by a host that rarely triggers services to other remote hosts.

Attacker's Goals

Perform lateral movement to new hosts to expand the foothold within a network.

Investigative actions

• Investigate the processes being spawned on the host for malicious activities.
• Correlate the RPC call from the source host and understand which software initiated it.

Remote PsExec-like command execution from an unsigned non-standard PsExec service

Synopsis

Field	Value
ATT&CK Tactic	Lateral Movement (TA0008), Execution (TA0002)
ATT&CK Technique	Remote Services (T1021), System Services: Service Execution (T1569.002), Lateral Tool Transfer (T1570)
Severity	Medium

Description

A remotely triggered service initiated a command execution in a PsExec-like manner by a host that rarely triggers services to other remote hosts.

Attacker's Goals

Perform lateral movement to new hosts to expand the foothold within a network.

Investigative actions

• Investigate the processes being spawned on the host for malicious activities.
• Correlate the RPC call from the source host and understand which software initiated it.

Remote PsExec-like command execution from a signed non-standard PsExec service

Synopsis

Field	Value
ATT&CK Tactic	Lateral Movement (TA0008), Execution (TA0002)
ATT&CK Technique	Remote Services (T1021), System Services: Service Execution (T1569.002), Lateral Tool Transfer (T1570)
Severity	Low

Description

A remotely triggered service initiated a command execution in a PsExec-like manner by a host that rarely triggers services to other remote hosts.

Attacker's Goals

Perform lateral movement to new hosts to expand the foothold within a network.

Investigative actions

• Investigate the processes being spawned on the host for malicious activities.
• Correlate the RPC call from the source host and understand which software initiated it.

Remote PsExec command execution

Synopsis

Field	Value
ATT&CK Tactic	Lateral Movement (TA0008), Execution (TA0002)
ATT&CK Technique	Remote Services (T1021), System Services: Service Execution (T1569.002), Lateral Tool Transfer (T1570)
Severity	Low

Description

A remotely triggered service initiated a command execution in a PsExec-like manner by a host that rarely triggers services to other remote hosts.

Attacker's Goals

Perform lateral movement to new hosts to expand the foothold within a network.

Investigative actions

• Investigate the processes being spawned on the host for malicious activities.
• Correlate the RPC call from the source host and understand which software initiated it.