Project CAV3RN continues: Google Apps Script as C2 relay and DNS-based C2 channel selection

Project CAV3RN is a modular espionage framework used against targets in Israel. This report expands on two earlier publications: the first was published in June 2026 as part of our Kaspersky Threat Intelligence Reporting service, and the second was published on Securelist the following month,...

CVE-2022-46405

Mastodon through 4.0.2 allows attackers to cause a denial of service large Sidekiq pull queue by creating bot accounts that follow attacker-controlled accounts on certain other servers associated with a wildcard DNS A record, such that there is uncontrolled recursion of attacker-generated message...

CVE-2022-46405: Uncontrolled Recursion

Mastodon through 4.0.2 allows attackers to cause a denial of service large Sidekiq pull queue by creating bot accounts that follow attacker-controlled accounts on certain other servers associated with a wildcard DNS A record, such that there is uncontrolled recursion of attacker-generated message...

U.S. Dept Of Defense: EC2 subdomain takeover at http://████████/

There is a dangling DNS A record that points to an EC2 instance that no longer exists, I was able to claim the EC2 instance and host content on http://███████/. Steps To Reproduce: 1. Visit http://█████████/██████████.html and view the PoC: ██████ Suggested Remediation Steps Remove the A record...