Skip to main content

ExtraHop® Closes Enterprise Data Center Blind Spots with new 400 Gbps sensor

Search
Menu iconX icon
  • Solutionschevron right
  • Industrieschevron right
  • Platformchevron right
  • Resourceschevron right
  • Customerschevron right
  • Companychevron right
Contact Us
Get a Demo

DETECTION OVERVIEW

Shellshock HTTP Exploit Attempt by a Scanner

Risk Factors

The Shellshock vulnerability is well known and trivial to exploit. Vulnerability scanners can easily identify vulnerable applications. Authorized scans will not damage the application, but unauthorized scans should be investigated.

Category

Exploitation
Detection diagram
Next in Exploitation: SolarWinds Serv-U SSH Exploit Attempt - CVE-2021-35211

Background

Shellshock is a remote code execution (RCE) vulnerability in the Bourne-Again shell (Bash) that attackers have been exploiting since 2014. An attacker sends an HTTP request with a Shellshock payload to a vulnerable device. The payload includes code with a syntax similar to () { :;}; <exploit command>. The malicious command runs in Bash and creates a shell. The attacker connects to the shell to remotely run commands on the victim.

Mitigation Options

Update Bash to 4.3 or later

MITRE ATT&CK ID

Associated content

Announcing The Forrester Wave™: Network Analysis And Visibility Solutions, Q4 2025

Network analysis and visibility solutions remain underrepresented in enterprises. Find out why in this preview of a new Wave report.

Report

Learn moreArrow pointing right

ExtraHop® Named a Leader in First-Ever Gartner® Magic Quadrant™ for Network Detection and Response — ExtraHop

ExtraHop® Named a Leader in First-Ever Gartner® Magic Quadrant™ for Network Detection and Response

News

Learn moreArrow pointing right

Detections

Visit this resource for more information.

Documentation

Learn moreArrow pointing right

The 2025 ExtraHop Global Threat Landscape Report: The Alarming Reality of Threat Actor Dwell Time and Deeper Network Access — ExtraHop

This analysis exposes the critical link between an organization&#x27;s lack of internal visibility and the escalating cost of compromise, demanding an urgent re-evaluation of how core business assets are protected.

Blog Post

Learn moreArrow pointing right

ExtraHop RevealX MITRE ATT&CK Coverage 2024 — ExtraHop

Learn why you need to be wary of the claims certain network detection and response providers make about their coverage against the MITRE ATT&CK framework.

Blog Post

Learn moreArrow pointing right

MITRE ATT&CK - Network Detection & Response with RevealX — ExtraHop

Learn how NDR from RevealX helps security teams detect and investigate more adversary TTPs in the MITRE ATT&CK framework than rule-based tools.

External

Learn moreArrow pointing right

Periodic Table of Use Cases

What else can RevealX do for you?

View our Periodic Table of use casesArrow pointing right