Phylum Research Team

Phylum Research Team

Hackers, Data Scientists, and Engineers responsible for the identification and takedown of software supply chain attackers.

Update to November’s Crypto-Themed npm Attack

Back in November, we published a write-up about a collection of npm packages involved in a complex attack chain. These packages, once installed, would download a remote file, decrypt it, execute an exported function from it,

Ledger npm Repo Breached in Spear Phishing Attack

Background Today’s security breach at Ledger, a leader in cryptocurrency hardware wallets, has raised significant alarms in the digital assets community. The breach was facilitated through a spear phishing attack on a former employee. Apparently,

Encrypted npm Packages Found Targeting Major Financial Institution

Determining the intent behind a package publication is notoriously difficult. Is it a legitimate threat actor or a security researcher? We can rarely make this determination, so Phylum generally errs on the side of caution and

Crypto-Themed npm Packages Found Delivering Stealthy Malware

On October 30, 2023 Phylum’s automated risk detection platform alerted us to a strange publication to npm called puma-com. Upon investigation, we found a very convoluted attack chain that ultimately pulled a remote file, manipulated

Dozens of npm Packages Caught Attempting to Deploy Reverse Shell

On October 27, Phylum’s automated risk detection platform began alerting us to a series of suspicious publications on npm. Over the course of the following few days, we discovered a campaign involving at least 48