Large Git Config Breach Exposes 15,000 Credentials; 10,000 Personal Repos Cloned

Nov 01, 2024Ravie LakshmananVulnerability / Cloud Security

Cybersecurity researchers have flagged a “massive” marketing campaign that targets uncovered Git configurations to siphon credentials, clone personal repositories, and even extract cloud credentials from the supply code.

The exercise, codenamed EMERALDWHALE, is estimated to have collected over 10,000 personal repositories and saved in an Amazon S3 storage bucket belonging to a previous sufferer. The bucket, consisting of at least 15,000 stolen credentials, has since been taken down by Amazon.

“The stolen credentials belong to Cloud Service Providers (CSPs), Email providers, and other services,” Sysdig mentioned in a report. “Phishing and spam seem to be the primary goal of stealing the credentials.”

Cybersecurity

The multi-faceted legal operation, whereas not refined, has been discovered to leverage an arsenal of personal instruments to steal credentials in addition to scrape Git config information, Laravel .env information, and uncooked net information. It has not been attributed to any identified risk actor or group.

Concentrating on servers with uncovered Git repository configuration information utilizing broad IP tackle ranges, the toolset adopted by EMERALDWHALE permits for the invention of related hosts and credential extraction and validation.

These stolen tokens are subsequently used to clone private and non-private repositories and seize extra credentials embedded within the supply code. The captured data is lastly uploaded to the S3 bucket.

Massive Git Config Breach

Two outstanding packages the risk actor makes use of to comprehend its objectives are MZR V2 and Seyzo-v2, that are offered on underground marketplaces and are able to accepting an inventory of IP addresses as inputs for scanning and exploitation of uncovered Git repositories.

These lists are usually compiled utilizing authentic search engines like google like Google Dorks and Shodan and scanning utilities equivalent to MASSCAN.

Cybersecurity

What’s extra, Sysdig’s evaluation discovered {that a} listing comprising greater than 67,000 URLs with the trail “/.git/config” uncovered is being supplied on the market by way of Telegram for $100, signaling that there exists a marketplace for Git configuration information.

“EMERALDWHALE, in addition to targeting Git configuration files, also targeted exposed Laravel environment files,” Sysdig researcher Miguel Hernández mentioned. “The .env files contain a wealth of credentials, including cloud service providers and databases.”

“The underground market for credentials is booming, especially for cloud services. This attack shows that secret management alone is not enough to secure an environment.”

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