A sophisticated backdoor hidden in a nested dependency chain: mailparser → http-fetch-cookies → express-cookies → getcookies. The backdoor parsed HTTP headers for RCE commands. mailparser had ~64,000 weekly downloads. Caught before widespread exploitation.
PACKAGE_ACTIVE_MALWARE + PACKAGE_INSTALL_SCRIPTS
| Tool | Verdict | Details |
|---|---|---|
| OSS Risk Guard | Caught | PACKAGE_ACTIVE_MALWARE + PACKAGE_INSTALL_SCRIPTS |
| Sonatype (Nexus) | Partial | Limited ecosystem coverage for this attack |
| Socket | Caught | Behavioral analysis detects malicious payload. |
| Snyk | Missed | No malware detection capability |
| Black Duck | Missed | No malware detection capability |
| Endor Labs | Missed | No malware detection capability |