Squadcast Takeover Detection Scanner

Squadcast is commonly used by DevOps and IT teams for incident management and on-call scheduling. It serves as a platform to streamline incident responses and automate incident resolutions. Tech companies and service providers widely adopt it to ensure high service availability and rapid issue resolution. Businesses integrate Squadcast to manage their operational workflows efficiently. It is embraced across various industries for enhancing service reliability and reducing downtime. The platform's features are essential to minimize financial losses incurred from service outages.

A subdomain takeover occurs when a subdomain is pointing to a service (like Squadcast) that has been removed or no longer exists. This results in the subdomain being vulnerable to takeover by a malicious actor who could set up a new service on the same subdomain. Such takeovers can lead to unauthorized content being displayed on a trusted domain. Attackers can use it to serve phishing pages or other malicious content, putting users at risk. Detecting and mitigating such takeovers is crucial to maintain domain integrity. It poses a risk especially for companies who manage multiple subdomains without active monitoring and management.

The vulnerability is typically identified by attempting to resolve the subdomain and verifying the absence of an active service. The scanner looks for specific words and status codes that indicate a lack of an associated page. The vulnerability targets endpoints where subdomains are linked to inactive Squadcast accounts. Technical implementation involves pattern matching for phrases commonly presented when a service is non-active. The method used involves sending HTTP requests and analyzing responses for indicators of vulnerability. This is a critical step in preventing unauthorized individuals from claiming the subdomain.

Exploitation of subdomain takeovers can lead to numerous harmful outcomes. An attacker can impersonate the organization, leading to phishing attacks on unsuspecting users. It can severely damage a company's reputation if users fall victim to fraud due to a compromised subdomain. Additionally, it could potentially allow attackers to steal user data or spread malware. Organizations may face compliance breaches if user data is compromised. Financial loss and loss of trust are significant impacts that may arise from a successful takeover.

REFERENCES

• https://github.com/EdOverflow/can-i-take-over-xyz/issues/398