Synopsis
Description
An uncommon process is connecting to an external host that is rarely accessed within the organization.
This connection pattern is consistent with malicious activity such as command and control execution, malware download and so on.
Attacker's Goals
Establish a remote backdoor to issue instructions, deploy additional payloads, and maintain long-term persistence across the infected fleet.
Investigative actions
- Identify the process contacting the remote host and determine whether the traffic is malicious.
- Look for other endpoints on your network that are also contacting the suspicious host.
- Inspect the host or URL for suspicious indicators or its presence in malicious reputation lists.
Variations
Uncommon macOS process communication to a rare external host by security testing tool
Synopsis
Description
An uncommon process is connecting to an external host that is rarely accessed within the organization.
This connection pattern is consistent with malicious activity such as command and control execution, malware download and so on.
Attacker's Goals
Establish a remote backdoor to issue instructions, deploy additional payloads, and maintain long-term persistence across the infected fleet.
Investigative actions
- Identify the process contacting the remote host and determine whether the traffic is malicious.
- Look for other endpoints on your network that are also contacting the suspicious host.
- Inspect the host or URL for suspicious indicators or its presence in malicious reputation lists.
Uncommon macOS process communication to a rare external host with a frequently abused TLD
Synopsis
ATT&CK Tactic |
|
ATT&CK Technique |
|
Severity |
Medium |
Description
An uncommon process is connecting to an external host that is rarely accessed within the organization.
This connection pattern is consistent with malicious activity such as command and control execution, malware download and so on.
Attacker's Goals
Establish a remote backdoor to issue instructions, deploy additional payloads, and maintain long-term persistence across the infected fleet.
Investigative actions
- Identify the process contacting the remote host and determine whether the traffic is malicious.
- Look for other endpoints on your network that are also contacting the suspicious host.
- Inspect the host or URL for suspicious indicators or its presence in malicious reputation lists.
Uncommon macOS process communication to a rare external host while using a CLI utility to establish a connection with a messaging service API
Synopsis
ATT&CK Tactic |
|
ATT&CK Technique |
|
Severity |
Medium |
Description
An uncommon process is connecting to an external host that is rarely accessed within the organization.
This connection pattern is consistent with malicious activity such as command and control execution, malware download and so on.
Attacker's Goals
Establish a remote backdoor to issue instructions, deploy additional payloads, and maintain long-term persistence across the infected fleet.
Investigative actions
- Identify the process contacting the remote host and determine whether the traffic is malicious.
- Look for other endpoints on your network that are also contacting the suspicious host.
- Inspect the host or URL for suspicious indicators or its presence in malicious reputation lists.
Uncommon macOS process communication to a rare external host related to LOTTunnels
Synopsis
ATT&CK Tactic |
|
ATT&CK Technique |
|
Severity |
Low |
Description
An uncommon process is connecting to an external host that is rarely accessed within the organization.
This connection pattern is consistent with malicious activity such as command and control execution, malware download and so on.
Attacker's Goals
Establish a remote backdoor to issue instructions, deploy additional payloads, and maintain long-term persistence across the infected fleet.
Investigative actions
- Identify the process contacting the remote host and determine whether the traffic is malicious.
- Look for other endpoints on your network that are also contacting the suspicious host.
- Inspect the host or URL for suspicious indicators or its presence in malicious reputation lists.
Uncommon macOS process communication to a rare external host with a rare TLD
Synopsis
ATT&CK Tactic |
|
ATT&CK Technique |
|
Severity |
Low |
Description
An uncommon process is connecting to an external host that is rarely accessed within the organization.
This connection pattern is consistent with malicious activity such as command and control execution, malware download and so on.
Attacker's Goals
Establish a remote backdoor to issue instructions, deploy additional payloads, and maintain long-term persistence across the infected fleet.
Investigative actions
- Identify the process contacting the remote host and determine whether the traffic is malicious.
- Look for other endpoints on your network that are also contacting the suspicious host.
- Inspect the host or URL for suspicious indicators or its presence in malicious reputation lists.
Uncommon macOS process communication to a rare external host while using a CLI utility and piping to script
Synopsis
ATT&CK Tactic |
|
ATT&CK Technique |
|
Severity |
Low |
Description
An uncommon process is connecting to an external host that is rarely accessed within the organization.
This connection pattern is consistent with malicious activity such as command and control execution, malware download and so on.
Attacker's Goals
Establish a remote backdoor to issue instructions, deploy additional payloads, and maintain long-term persistence across the infected fleet.
Investigative actions
- Identify the process contacting the remote host and determine whether the traffic is malicious.
- Look for other endpoints on your network that are also contacting the suspicious host.
- Inspect the host or URL for suspicious indicators or its presence in malicious reputation lists.
Uncommon macOS process communication to a rare external host while using a CLI utility to download and change permission
Synopsis
ATT&CK Tactic |
|
ATT&CK Technique |
|
Severity |
Low |
Description
An uncommon process is connecting to an external host that is rarely accessed within the organization.
This connection pattern is consistent with malicious activity such as command and control execution, malware download and so on.
Attacker's Goals
Establish a remote backdoor to issue instructions, deploy additional payloads, and maintain long-term persistence across the infected fleet.
Investigative actions
- Identify the process contacting the remote host and determine whether the traffic is malicious.
- Look for other endpoints on your network that are also contacting the suspicious host.
- Inspect the host or URL for suspicious indicators or its presence in malicious reputation lists.
Uncommon macOS process communication to a rare external host while using a CLI utility running by an unsigned process
Synopsis
ATT&CK Tactic |
|
ATT&CK Technique |
|
Severity |
Low |
Description
An uncommon process is connecting to an external host that is rarely accessed within the organization.
This connection pattern is consistent with malicious activity such as command and control execution, malware download and so on.
Attacker's Goals
Establish a remote backdoor to issue instructions, deploy additional payloads, and maintain long-term persistence across the infected fleet.
Investigative actions
- Identify the process contacting the remote host and determine whether the traffic is malicious.
- Look for other endpoints on your network that are also contacting the suspicious host.
- Inspect the host or URL for suspicious indicators or its presence in malicious reputation lists.
Uncommon macOS process communication to a rare external host while using a CLI utility and saving data to a temporary folder
Synopsis
ATT&CK Tactic |
|
ATT&CK Technique |
|
Severity |
Low |
Description
An uncommon process is connecting to an external host that is rarely accessed within the organization.
This connection pattern is consistent with malicious activity such as command and control execution, malware download and so on.
Attacker's Goals
Establish a remote backdoor to issue instructions, deploy additional payloads, and maintain long-term persistence across the infected fleet.
Investigative actions
- Identify the process contacting the remote host and determine whether the traffic is malicious.
- Look for other endpoints on your network that are also contacting the suspicious host.
- Inspect the host or URL for suspicious indicators or its presence in malicious reputation lists.
Uncommon macOS process communication to a rare external host while using a CLI utility and downloading a script
Synopsis
ATT&CK Tactic |
|
ATT&CK Technique |
|
Severity |
Low |
Description
An uncommon process is connecting to an external host that is rarely accessed within the organization.
This connection pattern is consistent with malicious activity such as command and control execution, malware download and so on.
Attacker's Goals
Establish a remote backdoor to issue instructions, deploy additional payloads, and maintain long-term persistence across the infected fleet.
Investigative actions
- Identify the process contacting the remote host and determine whether the traffic is malicious.
- Look for other endpoints on your network that are also contacting the suspicious host.
- Inspect the host or URL for suspicious indicators or its presence in malicious reputation lists.
Uncommon macOS process communication to a rare external host while using a CLI utility
Synopsis
ATT&CK Tactic |
|
ATT&CK Technique |
|
Severity |
Low |
Description
An uncommon process is connecting to an external host that is rarely accessed within the organization.
This connection pattern is consistent with malicious activity such as command and control execution, malware download and so on.
Attacker's Goals
Establish a remote backdoor to issue instructions, deploy additional payloads, and maintain long-term persistence across the infected fleet.
Investigative actions
- Identify the process contacting the remote host and determine whether the traffic is malicious.
- Look for other endpoints on your network that are also contacting the suspicious host.
- Inspect the host or URL for suspicious indicators or its presence in malicious reputation lists.