The Ebury botnet malware has compromised 400,000 Linux servers since 2009, posing significant cybersecurity threats. The malware, which acts as an SSH backdoor, has been used for financial and cryptocurrency theft. The cyber campaign has been ongoing for 15 years, targeting Linux server administrators. The operators of the Ebury botnet have diversified their activities to include both financial and crypto theft, highlighting the evolving nature of cyber threats.