Remote DCOM command execution

Cortex XDR Analytics Alert Reference by Alert name

Product
Cortex XDR
Last date published
2024-06-04
Category
Analytics Alert Reference
Order
Alert name

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

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.