MSI accessed a web page running a server-side script

Cortex XDR Analytics Alert Reference by Alert name

Product
Cortex XDR
Last date published
2024-06-04
Category
Analytics Alert Reference
Order
Alert name

Synopsis

Activation Period

14 Days

Training Period

30 Days

Test Period

N/A (single event)

Deduplication Period

1 Hour

Required Data

  • Requires:
    • XDR Agent

Detection Modules

ATT&CK Tactic

Defense Evasion (TA0005)

ATT&CK Technique

System Binary Proxy Execution (T1218)

Severity

Medium

Description

The Microsoft installer command line included a URL to a web page running a server-side script, which is suspicious.

Attacker's Goals

An attacker may use this technique to install a malicious tool from a remote server.

Investigative actions

Check whether the URL is benign, and if this was a desired behavior as part of its normal execution flow.

Variations

MSI accessed a web page running a server-side script

Synopsis

ATT&CK Tactic

Defense Evasion (TA0005)

ATT&CK Technique

System Binary Proxy Execution (T1218)

Severity

High

Description

MSI on an internet-facing server accessed a web page running a server-side script.

Attacker's Goals

An attacker may use this technique to install a malicious tool from a remote server.

Investigative actions

Check whether the URL is benign, and if this was a desired behavior as part of its normal execution flow.