> For the complete documentation index, see [llms.txt](https://cortex-docs.paloaltonetworks.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://cortex-docs.paloaltonetworks.com/analytics-alerts/alerts-by-name/remote-dcom-command-execution.md).

# Remote DCOM 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)                                       |
| 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

<details>

<summary>Remote suspicious DCOM-MMC20.Application command execution</summary>

**Synopsis**

| Field             | Value                                                           |
| ----------------- | --------------------------------------------------------------- |
| 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.

</details>

<details>

<summary>Remote suspicious DCOM-Excel.Application command execution</summary>

**Synopsis**

| Field             | Value                                                           |
| ----------------- | --------------------------------------------------------------- |
| 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.

</details>

<details>

<summary>Remote suspicious DCOM-Outlook.Application command execution</summary>

**Synopsis**

| Field             | Value                                                           |
| ----------------- | --------------------------------------------------------------- |
| 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.

</details>

<details>

<summary>Remote suspicious DCOM command execution</summary>

**Synopsis**

| Field             | Value                                                           |
| ----------------- | --------------------------------------------------------------- |
| 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.

</details>


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