Researchers from Cisco’s Talos security team have uncovered a malware-as-a-service operator that used public GitHub accounts as a channel for distributing an assortment of malicious software to targets.
The use of GitHub gave the malware-as-a-service (MaaS) a reliable and easy-to-use platform that’s greenlit in many enterprise networks that rely on the code repository for the software they develop. GitHub removed the three accounts that hosted the malicious payloads shortly after being notified by Talos.
“In addition to being an easy means of file hosting, downloading files from a GitHub repository may bypass Web filtering that is not configured to block the GitHub domain,” Talos researchers Chris Neal and Craig Jackson wrote Thursday. “While some organizations can block GitHub in their environment to curb the use of open-source offensive tooling and other malware, many organizations with software development teams require GitHub access in some capacity. In these environments, a malicious GitHub download may be difficult to differentiate from regular web traffic.”
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