Malicious code in dolyame-ui-filter (npm)
--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (171758619b11932bfa2790206d34ea6322b3985c9cfe083915c41fdb5b18f9ed) [email protected] is advertised as a UI toolkit but its main entry loads _platform.js, which on require assembles destination hostnames at runtime via array.join('') to hide them from static inspection, resolving to Cloudflare Worker endpoints oob-worker.cf101-a.df.workers.dev, oob-worker.cf100-416.workers.dev, and oob-worker.cf99-9b3.workers.dev, with a DNS TXT fallback that reads chunked base64 from sdk.dl.wel1.ru, ext.dl.wel1.ru, pkg.dl.wel1.ru, and net.dl.wel1.ru. The module downloads a platform-specific binary via https.get, writes it to a temp path under a decoy name (dotnet_diag_<hex>.exe on Windows,.cache_<hex> on Unix), chmods 0755, and spawns it detached via cmd.exe or /bin/sh -c with unref(). Comments in the file mislabel the flow as telemetry/session dedup while the actual operation fetches and executes an opaque binary from an anonymous host. The delivery signals (anonymous Cloudflare Worker infrastructure with runtime-assembled hostnames, DNS TXT covert channel, decoy filenames impersonating.NET diagnostic tooling, detached background execution, purpose mismatch with the advertised UI package) satisfy the dropper fingerprint.
Malicious code in dolyame-ui-filter (npm)
Description
--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (171758619b11932bfa2790206d34ea6322b3985c9cfe083915c41fdb5b18f9ed) [email protected] is advertised as a UI toolkit but its main entry loads _platform.js, which on require assembles destination hostnames at runtime via array.join('') to hide them from static inspection, resolving to Cloudflare Worker endpoints oob-worker.cf101-a.df.workers.dev, oob-worker.cf100-416.workers.dev, and oob-worker.cf99-9b3.workers.dev, with a DNS TXT fallback that reads chunked base64 from sdk.dl.wel1.ru, ext.dl.wel1.ru, pkg.dl.wel1.ru, and net.dl.wel1.ru. The module downloads a platform-specific binary via https.get, writes it to a temp path under a decoy name (dotnet_diag_<hex>.exe on Windows,.cache_<hex> on Unix), chmods 0755, and spawns it detached via cmd.exe or /bin/sh -c with unref(). Comments in the file mislabel the flow as telemetry/session dedup while the actual operation fetches and executes an opaque binary from an anonymous host. The delivery signals (anonymous Cloudflare Worker infrastructure with runtime-assembled hostnames, DNS TXT covert channel, decoy filenames impersonating.NET diagnostic tooling, detached background execution, purpose mismatch with the advertised UI package) satisfy the dropper fingerprint.
Affected software
Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- MAL-2026-13154
- Osv Schema Version
- 1.7.4
- Aliases
- []
- Ecosystems
- ["npm"]
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a738534bf8831d5394f09df
Added to database: 08/05/2026, 18:47:16 UTC
Last updated: 08/05/2026, 18:47:16 UTC
Views: 1
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.