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Nation-state APTEspionageIntermediate sophistication

Marchos1as

Marchos1as is a nation-state APT group with an espionage motive, tracked by Brandefense. It targets the Technology sector. It uses 4 MITRE ATT&CK techniques.

Techniques
4
Exploited CVEs
No CVE data
Record updated

Who They Target.

Sectors · 1

About Marchos1as.

Threat actor handle responsible for uploading typosquatted helper packages to the Arch User Repository.

Last updated Oct 16, 2026. Compiled by Brandefense technologies from structured threat intelligence and reviewed by Brandefense analysts. Techniques follow the MITRE ATT&CK framework.