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,...

Malicious code in @klapp-otp/routes (npm)

Source: amazon-inspector 9246974efd1a626094dd3f2027df2e8f1468ce45ebcba42e5207a06c5c9e16ee On npm install, this package auto-executes index.js via the preinstall lifecycle hook. The script collects os.hostname, os.userInfo, dirname, process.cwd, and the package name, then exfiltrates them through...

Malicious code in @klapp-kyc/routes (npm)

Source: amazon-inspector ca32e3aa7685d93e36eca726e08096bd0c5ba425172ef254fdf769cc09b46887 On npm install, the package's preinstall hook executes node index.js, which collects the installer's hostname, OS username, current working directory, dirname, and package name, then exfiltrates them through...

Malicious code in node-multi-downloader (npm)

Source: amazon-inspector 8fc720cd970f4d19212ca90945b7fc1e4e1c64da98235ff595b3792ae69e3e68 On npm install, this package's postinstall hook node index.js hex-encodes the installer's current working directory, the first 15 entries of that directory, and os.userInfo.username, and leaks each chunk via...

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...