Hooking memcpy of swengine /tmp root@apx# nano ld.c /tmp root@apx# gcc -fPIC -c ld.c -o ld.o /tmp root@apx# gcc -shared -o ld.so ld.o /tmp root@apx# LD_PRELOAD=/tmp/ld.so /usr/bin/sw-engine /usr/local/psa/admin/htdocs/login_up.php3 Cheers