杀掉本地进程其实很简单,取得进程ID后,调用OpenProcess函数打开进程句柄,然后调用TerminateProcess函数就可以杀掉进程了。有些情况下并不能直接打开进程句柄,例如WINLOGON等系统进程,因为权限不够。这个时候我们就得先提升自己的进程的权限了。提升权限过程也不复杂,先调用GetCurrentProcess函数取得当前进程的句柄,然后调用OpenProcessToken打开当前进程的访问令牌,接着调用LookupPrivilegeValue函数取得你想提升的权限的值,最后调用AdjustTokenPrivileges函数给当前进程的访问令牌增加权限就可以了。一般有了SeDebugPrivilege特权后,就可以杀掉除Idle外的所有进程了。
Lz:FR* OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
Q0x?OL] A <1>与远程系统建立IPC连接
-XwS?*O <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
%,ScGQE <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
u3wd~. <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
bH'2iG <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
&2q<#b <6>服务启动后,killsrv.exe运行,杀掉进程
eU e, P <7>清场
lq,]E/<& 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
kDM?`(r /***********************************************************************
U&a(WQV9& Module:Killsrv.c
~.0'v [N Date:2001/4/27
&o1k_!25 Author:ey4s
^~@3X[No Http://www.ey4s.org 6uUn ***********************************************************************/
hH%fWB2( #include
fZ;}_wR-H #include
>dD$GD{ #include "function.c"
n'JS- #define ServiceName "PSKILL"
FS!)KxC/- gm!sLZ!X SERVICE_STATUS_HANDLE ssh;
72*j6#zS SERVICE_STATUS ss;
hk
S:_e= /////////////////////////////////////////////////////////////////////////
j?k|-0 void ServiceStopped(void)
KHJ wCv {
C=cn.CX ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
]?oJxW. ss.dwCurrentState=SERVICE_STOPPED;
e-\/1N84 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
3MKu! ss.dwWin32ExitCode=NO_ERROR;
ucU7
@j ss.dwCheckPoint=0;
Zkqq< ss.dwWaitHint=0;
X-TGrdoX SetServiceStatus(ssh,&ss);
h%4UeL &F return;
;#0$iE }
D. x8=|; /////////////////////////////////////////////////////////////////////////
gNA!)}m\ void ServicePaused(void)
unbIfl= {
p0]\QM l1 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
:)tsz; ss.dwCurrentState=SERVICE_PAUSED;
V
d]7v ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
|GsMLY:0 ss.dwWin32ExitCode=NO_ERROR;
M_2>b:#A* ss.dwCheckPoint=0;
?.lo[X<,* ss.dwWaitHint=0;
DBLM0*B SetServiceStatus(ssh,&ss);
zpeCT3Q5O return;
d~h;|Bl[ }
pLV
%g#h void ServiceRunning(void)
|3Oyg ?2 {
M7 kWJ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
a)Pr&9I ss.dwCurrentState=SERVICE_RUNNING;
;Bzx}7A ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
7n+,!oJ ss.dwWin32ExitCode=NO_ERROR;
oayu*a. ss.dwCheckPoint=0;
W|uRQA` ss.dwWaitHint=0;
O|^J;fS: SetServiceStatus(ssh,&ss);
6-J}ZfGj return;
^Qn:#O9 }
Y%- !%| /////////////////////////////////////////////////////////////////////////
)& Oxp&x void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
Fav++ z {
M5t.l ( switch(Opcode)
S $o1Q {
B'`25u_e< case SERVICE_CONTROL_STOP://停止Service
EN":}!E: ServiceStopped();
g;nLR<] break;
v2p0EOS case SERVICE_CONTROL_INTERROGATE:
n"D` = SetServiceStatus(ssh,&ss);
=NI?Jk*iAq break;
fqq4Qc)#U& }
hiA\~}sl n return;
UL>2gl4s/ }
>w,jaQ //////////////////////////////////////////////////////////////////////////////
M+HhTW;I= //杀进程成功设置服务状态为SERVICE_STOPPED
=l${p*ABQ //失败设置服务状态为SERVICE_PAUSED
yG7H>LF?8 //
%N`_g' r! void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
z9g6%RbwX {
fiD,HGx
i ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
B$x@I\(M if(!ssh)
i'"#{4I {
BT_XqO ServicePaused();
*n7=m=%) return;
(6:.u.b }
/93z3o7D> ServiceRunning();
gH\>",[ Sleep(100);
748:*
(O //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
n ]D io //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
'd&d"E[ if(KillPS(atoi(lpszArgv[5])))
yg*
#~, ServiceStopped();
W83PMiN"T- else
\b8#xT} ServicePaused();
V@b7$z return;
H^@Hco>| }
H-v[ShE /////////////////////////////////////////////////////////////////////////////
RjPkH$u'Pj void main(DWORD dwArgc,LPTSTR *lpszArgv)
7wPI)]$ {
nLG)>L SERVICE_TABLE_ENTRY ste[2];
``$$yS~d}; ste[0].lpServiceName=ServiceName;
{#4a}:3 ste[0].lpServiceProc=ServiceMain;
H>;,r, ste[1].lpServiceName=NULL;
G
kG#+C0L ste[1].lpServiceProc=NULL;
<*dcl2xS StartServiceCtrlDispatcher(ste);
7
@}`1>97 return;
q9j~|GE| }
Dykh|" /////////////////////////////////////////////////////////////////////////////
f5b|,JJ function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
3!fR'L/i 下:
&0%Zb~ts /***********************************************************************
F --b,, Module:function.c
j%-Ems*H Date:2001/4/28
\ERxr
Author:ey4s
F8{gJaP x Http://www.ey4s.org {Bk` Zlki ***********************************************************************/
3\
Mt+!1{ #include
t!6uz ////////////////////////////////////////////////////////////////////////////
a=A12< BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
pI8z.JD {
Tj_K5uccU} TOKEN_PRIVILEGES tp;
UXdc'i g LUID luid;
GIc q|Pe X';qcn_^ if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
h9<PP2.( {
X1a~l|$h printf("\nLookupPrivilegeValue error:%d", GetLastError() );
CrL9|78 return FALSE;
]BbV\# }
`Ds=a`^b tp.PrivilegeCount = 1;
mI4GBp tp.Privileges[0].Luid = luid;
_|0# if (bEnablePrivilege)
&dmIv[LU tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
:.]EM*p?GV else
b+J|yM<` tp.Privileges[0].Attributes = 0;
z _\L@b // Enable the privilege or disable all privileges.
R+(f~ j' AdjustTokenPrivileges(
3ej237~F,L hToken,
vfv?QjR FALSE,
~/-SKGzo- &tp,
;nW;M 4{ sizeof(TOKEN_PRIVILEGES),
R3lZ|rxv: (PTOKEN_PRIVILEGES) NULL,
JQ0Z%;" (PDWORD) NULL);
LTo!DUi` // Call GetLastError to determine whether the function succeeded.
U+ik& R# if (GetLastError() != ERROR_SUCCESS)
xt pY* {
m?B=?;B9# printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
Fs $FR-x return FALSE;
|gP) lR }
*P/A&"i[E return TRUE;
l9=Ka{$^* }
S|k@D2k= ////////////////////////////////////////////////////////////////////////////
tugIOA BOOL KillPS(DWORD id)
0[%{YmI{W {
Cy6!?Mik HANDLE hProcess=NULL,hProcessToken=NULL;
W$SV+q(rT BOOL IsKilled=FALSE,bRet=FALSE;
#iv4L __try
#@`c7SR {
Ea<\a1Tl43 X;6;v] if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
#xu1
eX0< {
=0Y0o_ printf("\nOpen Current Process Token failed:%d",GetLastError());
\:1$E[3v __leave;
sfw*_}y }
f&^}yqmuE //printf("\nOpen Current Process Token ok!");
3MHpP5C if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
T5ky:{Y( {
R$
+RTG:E __leave;
Ew
PJ|Z^ }
<_|@~^u printf("\nSetPrivilege ok!");
*k,3@_5 EHn!ZrQgh if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
9D=X3{be# {
|mn} wNUN] printf("\nOpen Process %d failed:%d",id,GetLastError());
ri59LY y= __leave;
*kK +Nvt8s }
l9eTghLi //printf("\nOpen Process %d ok!",id);
UsU
Ri if(!TerminateProcess(hProcess,1))
9(S=0< {
[9Rh" H;h printf("\nTerminateProcess failed:%d",GetLastError());
JJWPte/ __leave;
hN=kU9@knC }
NdLe|L?c IsKilled=TRUE;
R"O%##Ws }
r^C(|Vx __finally
8Y RT0/V {
YB4
ZI if(hProcessToken!=NULL) CloseHandle(hProcessToken);
OQ_<V xz if(hProcess!=NULL) CloseHandle(hProcess);
W?4:sLC#3 }
2(3Q#3V return(IsKilled);
YB 7A5 }
f~P YK //////////////////////////////////////////////////////////////////////////////////////////////
Khi6z&