Tag: shellcode

Egghunter is a stage one piece of code that searches memory for predefined tag that represents start of second stage of shellcode and passes execution to it. To create a simple one we create a c program that pass execution to stage one egghunter that searches for egg in memory and then pass execution to

To create reverse tcp shellcode for linux system there are 4 major steps: create socket; connect to remote host; redirect standard input, output and error to created socket; execute shell. Create socket For x86_32 linux before kernel 4.3 the only entry point for socket API was socketcall() system call. Socketcall number is 102 in unistd_32.h