The malicious agent, dubbed linux_avp is written in Golang, and was discovered by researchers at Sansec, who were approached by an affected merchant who couldn’t seem to get rid of malware from his store. Once deployed will take commands from china C2C.
The discovery of the malware across ecommerce stores all around the world comes mere days before the Black Friday shopping extravaganza. The attackers first run automated tests to probe ecommerce websites against dozens of known vulnerabilities. As soon as one is found, it installs a backdoor and uploads the linux_avp server agent.
The linux_avp agent injects fake payment forms on checkout pages displayed to customers of the compromised stores. Further analysis reveals that the fake payment form written in PHP is designed to steal and…
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