Overview At 02:04:43 UTC, 7 November 2025, our Wazuh SIEM raised a critical level-15 alert, Rule 31168, “Shellshock attack detected” This alert originated from an Nginx access log on agent, proxy-sg2-deb-12-pro-proxy-xxxx (IP 1xx.xxx.xxx.xxx). The source of the request was 193.26.115.195 (Netherlands). Wazuh immediately identified the payload as an active Shellshock exploit attempt (CVE-2014-6271). But here’s… Continue reading →