Rare binary connected to a rare external host

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	EDR Windows C2 Analytics
ATT&CK Tactic	Command and Control (TA0011)
ATT&CK Technique	Application Layer Protocol: Web Protocols (T1071.001)
Severity	Low

Description

Rare binary connected to a rare external host.

Attacker's Goals

Communicate with the attacker's Command and Control (C2) infrastructure.

Investigative actions

• Check the rare binary file.
• Get further details about the rare external destination.

Variations

Rare binary executing under an RMM CGO connected to a rare external host

Synopsis

Field	Value
ATT&CK Tactic	Command and Control (TA0011)
ATT&CK Technique	Application Layer Protocol: Web Protocols (T1071.001)
Severity	Low

Description

Rare binary executing under an RMM CGO connected to a rare external host.

Attacker's Goals

Communicate with the attacker's Command and Control (C2) infrastructure.

Investigative actions

• Check the rare binary file.
• Get further details about the rare external destination.

Rare unsigned binary connected to a globally rare external host

Synopsis

Field	Value
ATT&CK Tactic	Command and Control (TA0011)
ATT&CK Technique	Application Layer Protocol: Web Protocols (T1071.001)
Severity	Medium

Description

Rare unsigned binary connected to a globally rare external host.

Attacker's Goals

Communicate with the attacker's Command and Control (C2) infrastructure.

Investigative actions

• Check the rare binary file.
• Get further details about the rare external destination.

Rare binary connected to a globally rare external host

Synopsis

Field	Value
ATT&CK Tactic	Command and Control (TA0011)
ATT&CK Technique	Application Layer Protocol: Web Protocols (T1071.001)
Severity	Low

Description

Rare binary connected to a globally rare external host.

Attacker's Goals

Communicate with the attacker's Command and Control (C2) infrastructure.

Investigative actions

• Check the rare binary file.
• Get further details about the rare external destination.