Advice for Defenders Responding to the log4j…

Binary Defense's advisory outlines the critical Apache Log4j (Log4Shell) remote code execution vulnerability, warns of widespread active exploitation, and provides step-by-step guidance to identify vulnerable assets, scan dependencies, apply mitigations/patches, and hunt for indicators of compromise (sample JNDI payloads, logging/search strategies, network and process detection). The report highlights observed post-compromise behaviors (cryptomining, Cobalt Strike) and emphasizes prioritization of internet-facing systems, centralized logging, and rapid incident response.