A process connected to a rare cloud resource

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), Exfiltration (TA0010)
ATT&CK Technique	Application Layer Protocol: Web Protocols (T1071.001), Exfiltration Over Web Service: Exfiltration to Cloud Storage (T1567.002)
Severity	Informational

Description

A process connected to a rare cloud resource.

Attacker's Goals

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

Investigative actions

• Investigate the actor process connected to the cloud resource.
• Determine if the cloud resource is owned by your organization or a known external entity.
• Assess whether this communication pattern is expected or not.

Variations

A browser process connected to a rare cloud resource

Synopsis

Field	Value
ATT&CK Tactic	Command and Control (TA0011), Exfiltration (TA0010)
ATT&CK Technique	Application Layer Protocol: Web Protocols (T1071.001), Exfiltration Over Web Service: Exfiltration to Cloud Storage (T1567.002)
Severity	Informational

Description

A browser process connected to a rare cloud resource.

Attacker's Goals

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

Investigative actions

• Investigate the actor process connected to the cloud resource.
• Determine if the cloud resource is owned by your organization or a known external entity.
• Assess whether this communication pattern is expected or not.

A process connected to an atypical rare cloud resource

Synopsis

Field	Value
ATT&CK Tactic	Command and Control (TA0011), Exfiltration (TA0010)
ATT&CK Technique	Application Layer Protocol: Web Protocols (T1071.001), Exfiltration Over Web Service: Exfiltration to Cloud Storage (T1567.002)
Severity	Informational

Description

A process connected to an atypical rare cloud resource.

Attacker's Goals

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

Investigative actions

• Investigate the actor process connected to the cloud resource.
• Determine if the cloud resource is owned by your organization or a known external entity.
• Assess whether this communication pattern is expected or not.

A process connected to a rare cloud resource atypical to this agent

Synopsis

Field	Value
ATT&CK Tactic	Command and Control (TA0011), Exfiltration (TA0010)
ATT&CK Technique	Application Layer Protocol: Web Protocols (T1071.001), Exfiltration Over Web Service: Exfiltration to Cloud Storage (T1567.002)
Severity	Informational

Description

A process connected to a rare cloud resource atypical to this agent.

Attacker's Goals

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

Investigative actions

• Investigate the actor process connected to the cloud resource.
• Determine if the cloud resource is owned by your organization or a known external entity.
• Assess whether this communication pattern is expected or not.