GCVE-110-OSM-2021-4

Advisory PublishedCVSS 9.6/10

Vulnetix · Advisory published September 8, 2021

Pure malware package with no legitimate functionality. Contains backdoor variant with C2 beacon capabilities for remote command execution and system reconnaissance. Provides RCE via ?run=[command] URL parameter. Beacons to C2 at hxxp://insta.fr3on[.]info/ with system reconnaissance data: hostname, URL, server OS/architecture, and PHP execution user. C2 domain flagged as malicious on VirusTotal. Author identified as Ahmed Mardi (fr3on on GitHub), Egyptian PHP developer also responsible for laraveli/qr-code.

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Weaknesses (CWE)

CWE-506Embedded Malicious Code

Risk Scores

CVSS 3.1

9.6/10

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

Affected Products

Vendor	Product	Versions	Platforms
unknown	fr3on/neutron	All versions affected (affected)	—

References

Malicious packagist package: fr3on/neutron

advisory

vendor

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