GCVE-110-OSM-2025-449

Advisory PublishedCVSS 8.8/10

Vulnetix · Advisory published July 25, 2025

DPRK Contagious Interview campaign: fake take-home coding assignment repository (e-commerce test project) containing a base64-encoded ipcheck C2 URL in api/.env, consistent with the config-file-c2 campaign pattern used to deliver secondary payloads to job candidates. Malicious payload found in: api/.env Base64 encoded: aHR0cHM6Ly9hcGktc2VydmVyLW1vY2hhLnZlcmNlbC5hcHAvYXBpL2lwY2hlY2stZW5jcnlwdGVkLzk5 Decoded C2 URL: https://api-server-mocha.vercel.app/api/ipcheck-encrypted/99 Matches known DPRK ipcheck C2 pattern via Vercel, used as C2 configuration server for malware delivery in a fake job-interview take-home test repository.

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Weaknesses (CWE)

CWE-506Embedded Malicious Code

Risk Scores

CVSS 3.1

8.8/10

High · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Products

Vendor	Product	Versions	Platforms
unknown		all (affected)	—

References

Malicious repository: https://github.com/leomer21/ecommerce-demo

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