<story><title>SSHD: Random boot time relinking, OpenBSD</title><url>https://undeadly.org/cgi?action=article;sid=20230119075627</url></story><parent_chain></parent_chain><comment><author>nine_k</author><text>I remember how back in MS DOS days polymorphic viruses first appeared, in an attempt to avoid detection by antivirus software (useful and essential back then).&lt;p&gt;Now the tables have turned, and legitimate software has to become somehow polymorphic to thwart attacks by malware.</text></comment>
<story><title>SSHD: Random boot time relinking, OpenBSD</title><url>https://undeadly.org/cgi?action=article;sid=20230119075627</url></story><parent_chain></parent_chain><comment><author>rfoo</author><text>Does anyone know an actually-happened example case where a fine-grained ASLR (like the OpenBSD relink one) successfully mitigates or significantly hinders an exploit, and the usual ASLR doesn&amp;#x27;t?&lt;p&gt;I&amp;#x27;m curious because years ago the academic strongly pushes the FG ASLR story, then OpenBSD did kernel relinking, but I haven&amp;#x27;t heard any industry story on how effective this is.</text></comment>