Remote DCOM command execution

Cortex XDR Analytics Alert Reference by data source

Product

Cortex XDR

Last date published

2024-12-03

Synopsis

Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	1 Day
Required Data	Requires: XDR Agent
Detection Modules
Detector Tags	Impacket Analytics
ATT&CK Tactic	Lateral Movement (TA0008)
ATT&CK Technique	Remote Services: Distributed Component Object Model (T1021.003)
Severity	Low

Description

A remotely triggered DCOM initiated a command execution by a host that rarely executes processes using DCOM 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 DCOM call from the source host and understand which software initiated it.

Variations

Remote suspicious DCOM-MMC20.Application command execution

Synopsis

ATT&CK Tactic	Lateral Movement (TA0008)
ATT&CK Technique	Remote Services: Distributed Component Object Model (T1021.003)
Severity	High

Description

A remotely triggered suspicious DCOM-MMC20.Application initiated a command execution by a host that rarely executes processes using DCOM 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 DCOM call from the source host and understand which software initiated it.

Remote suspicious DCOM-Excel.Application command execution

Synopsis

ATT&CK Tactic	Lateral Movement (TA0008)
ATT&CK Technique	Remote Services: Distributed Component Object Model (T1021.003)
Severity	High

Description

A remotely triggered suspicious DCOM-Excel.Application initiated a command execution by a host that rarely executes processes using DCOM 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 DCOM call from the source host and understand which software initiated it.

Remote suspicious DCOM-Outlook.Application command execution

Synopsis

ATT&CK Tactic	Lateral Movement (TA0008)
ATT&CK Technique	Remote Services: Distributed Component Object Model (T1021.003)
Severity	High

Description

A remotely triggered suspicious DCOM-Outlook.Application initiated a command execution by a host that rarely executes processes using DCOM 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 DCOM call from the source host and understand which software initiated it.

Remote suspicious DCOM command execution

Synopsis

ATT&CK Tactic	Lateral Movement (TA0008)
ATT&CK Technique	Remote Services: Distributed Component Object Model (T1021.003)
Severity	Medium

Description

A remotely triggered suspicious DCOM initiated a command execution by a host that rarely executes processes using DCOM 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 DCOM call from the source host and understand which software initiated it.