dolyame-ui-pageheader@35.8.1
Malicious code in dolyame-ui-pageheader (npm)
Analysis
On import, the package downloads a second-stage binary over HTTPS from Cloudflare Workers endpoints (oob-worker[.]cf100-416[.]workers[.]dev, oob-worker[.]cf102-baf[.]workers[.]dev, oob-worker[.]cf101-adf[.]workers[.]dev, oob-worker[.]cf103-070[.]workers[.]dev) at paths /pkg/package, /pkg/package-arm64, /pkg/loader_mac, /pkg/package.exe, with a DNS TXT chunked-transfer fallback from c[.]sdk[.]dl[.]wel1[.]ru / ext[.]dl[.]wel1[.]ru / pkg[.]dl[.]wel1[.]ru / net[.]dl[.]wel1[.]ru. It writes the downloaded payload to /var/tmp/.cache_<hex> (or dotnet_diag_<hex>.exe in TEMP on Windows), makes it executable, and launches it as a detached background process via cmd.exe start /b or /bin/sh -c. The bundled lib/telemetry.js is a decoy analytics facade.
- analyzed by
- Leitwacht
- first seen
- Aug 7, 2026, 10:29 AM
- analyzed
- Aug 7, 2026, 10:30 AM
Related advisories
- dolyame-ui-progressline@35.8.1
- dolyame-ui-popupcarousel@35.8.1
- dolyame-ui-progresscircle@35.8.1
- dolyame-ui-postcssconfig@35.8.1
- dolyame-ui-postcsscustomproperties@35.8.1
- dolyame-ui-sortablelist@35.8.1
- dolyame-ui-scrollblock@35.8.1
- dolyame-ui-tablemobile@35.8.1
Independently detected by the Leitwacht supply-chain probe. IOCs are defanged. Published CC0. Think this is a mistake? See the dispute policy.