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Attacker Used 4,837 Hijacked GitHub Accounts to Run a CI Secret Stealer in 1,806+ Repositories

Starting Tuesday, an attacker used stolen credentials for 4,837 GitHub accounts to plant a secret stealer in repositories those accounts could write to, according to Aikido Security, a security software company.

Attacker Used 4,837 Hijacked GitHub Accounts to Run a CI Secret Stealer in 1,806+ Repositories

The stealer is built to take the secrets and cloud credentials that a repository's CI workflows can reach. It ran in at least 1,806 repositories, where the attacker has likely collected A threat actor using stolen GitHub credentials has pushed a credential-stealing payload into tens of thousands of repositories since November 10.

In more than 1,800 of them, the malware ran and shipped GitHub Actions secrets and cloud credentials to the attacker. Aikido spotted the campaign and named it wfx-loot. The name comes from the attacker’s own labels, “wfx” for the malware and “loot” for what it steals.

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