Possible path traversal via HTTP request

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	2 Days
Required Data	Requires one of the following data sources: Palo Alto Networks Firewall EAL Logs OR XDR Agent
Detector Tags	Webshell Analytics
ATT&CK Tactic	Discovery (TA0007)
ATT&CK Technique	File and Directory Discovery (T1083)
Severity	Low

Description

The endpoint received a suspicious URI via an HTTP request that resembles a path traversal attempt.

Attacker's Goals

• Attackers may exploit server components or misconfigurations to access arbitrary sensitive files on the web server.

Investigative actions

• Inspect the legitimacy of the URI path.
• Ensure that the rare URI is not a legitimate result of routine development actions on the web server.

Variations

Possible sensitive path traversal via HTTP request

Synopsis

Field	Value
ATT&CK Tactic	Discovery (TA0007)
ATT&CK Technique	File and Directory Discovery (T1083)
Severity	Medium

Description

The endpoint received a suspicious URI via an HTTP request that resembles a path traversal attempt.

Attacker's Goals

• Attackers may exploit server components or misconfigurations to access arbitrary sensitive files on the web server.

Investigative actions

• Inspect the legitimacy of the URI path.
• Ensure that the rare URI is not a legitimate result of routine development actions on the web server.

Possible path traversal via HTTP request from a TOR exit node

Synopsis

Field	Value
ATT&CK Tactic	Discovery (TA0007)
ATT&CK Technique	File and Directory Discovery (T1083)
Severity	Medium

Description

The endpoint received a suspicious URI via an HTTP request that resembles a path traversal attempt.

Attacker's Goals

• Attackers may exploit server components or misconfigurations to access arbitrary sensitive files on the web server.

Investigative actions

• Inspect the legitimacy of the URI path.
• Ensure that the rare URI is not a legitimate result of routine development actions on the web server.

Possible credential path traversal via HTTP request

Synopsis

Field	Value
ATT&CK Tactic	Discovery (TA0007)
ATT&CK Technique	File and Directory Discovery (T1083)
Severity	Medium

Description

The endpoint received a suspicious URI via an HTTP request that resembles a path traversal attempt.

Attacker's Goals

• Attackers may exploit server components or misconfigurations to access arbitrary sensitive files on the web server.

Investigative actions

• Inspect the legitimacy of the URI path.
• Ensure that the rare URI is not a legitimate result of routine development actions on the web server.