data-parser-utilsnpm
Advisory published Updated
data-parser-utils is a confirmed malicious npm package (MAL-2026-6490) that steals credentials and exfiltrates sensitive data (malicious version 3.0.2). Do not install it — remove it immediately and rotate any exposed credentials.
Malicious code in data-parser-utils (npm)
What this malware does
index.js imports child_process at the top of the module and invokes execSync against bash and zsh at lines 301 and 317. The shape — require('child_process') at module top with execSync('bash...') and execSync('zsh...') calls reachable from the main entry — matches the shell-history harvest fingerprint (reading ~/.bash_history / ~/.zsh_history or running history/fc -l under a login shell and exfiltrating the output). Shell history routinely contains credentials, tokens, and connection strings, so collecting and shipping it off-host is credential theft on the installer's machine regardless of how the package frames itself. The package name ('data-parser-utils') has no plausible reason to spawn bash and zsh subshells. The traced code content also tripped the malware-output safety filter, which independently corroborates that the contents read as operational credential-theft code rather than as a benign data-parsing utility.
Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.
Malicious versions
Indicators of compromise (SHA-256)
Detection & response playbook
Credential / info stealerFind it
Search your lockfiles and build artifacts for data-parser-utils (version 3.0.2).
If you installed it — respond
data-parser-utils is built to steal secrets, so assume every credential the build or runtime could read is compromised. Remove it from your project and lockfile, then rotate ALL exposed secrets — npm/registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values — from a known-clean machine. Audit logs for unauthorized use of those credentials.
Did it already run?
If data-parser-utils was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.
Frequently asked questions
Campaign
References
Credits
- Amazon Inspector · finder
Detect & block this
O3 blocks data-parser-utils-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.