 
                        
                                        
				Over at the Honeynet Project they used to run security competitions which were quite a bit of fun. I remembered one in particular which I looked at but hadn’t completed. It dealt with the forensic investigation of a floppy disk. I was tinkering…
 
                        
                                        
				Introduction Today I am adding a malicious system call to the Linux kernel which will allow the caller to do something they cannot normally do in user mode. When attacking a Linux box our goal is usually to become root;…