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。
)RAv[U1 OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
b.mjQ <1>与远程系统建立IPC连接
t?%}hs\! <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
;3.T* ?|o <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
>+A1 V[ <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
J[&
7,} <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
N8DiEB3~ <6>服务启动后,killsrv.exe运行,杀掉进程
{Gk}3u/ <7>清场
}6uV]V{ 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
E5Snl#Gl\0 /***********************************************************************
C)&gL=O*$ Module:Killsrv.c
_-|yCo Date:2001/4/27
tK s4}vW Author:ey4s
D*d 3w Http://www.ey4s.org GM9]>"#o\ ***********************************************************************/
+h gaBJy #include
?FY@fO?es #include
H649J)v+m #include "function.c"
evndw> #define ServiceName "PSKILL"
t(z(-G|& cjy0s+>> SERVICE_STATUS_HANDLE ssh;
n7`.<*:
SERVICE_STATUS ss;
Sq?6R}q% /////////////////////////////////////////////////////////////////////////
>n$EeJ void ServiceStopped(void)
IxEQh)J X {
k"DQbUy0L ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
$X.'W\o| ss.dwCurrentState=SERVICE_STOPPED;
(zM+7tJH ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
XqE55Jclp ss.dwWin32ExitCode=NO_ERROR;
NSiYUAug ss.dwCheckPoint=0;
eBSn1n
ss.dwWaitHint=0;
k<j)?_=` SetServiceStatus(ssh,&ss);
T|BY00Sz` return;
jziA;6uL }
1v[#::Bs /////////////////////////////////////////////////////////////////////////
Vne.HFXA void ServicePaused(void)
\J3v>&m<7 {
8,H#t@+MT ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
?4wehcZz ss.dwCurrentState=SERVICE_PAUSED;
X."h Tha5 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
dp// p)B> ss.dwWin32ExitCode=NO_ERROR;
QAOk ss.dwCheckPoint=0;
G8<It5CU ss.dwWaitHint=0;
@0/@p"j SetServiceStatus(ssh,&ss);
-+
IX[ return;
p@N Er,GB }
&23ss/ void ServiceRunning(void)
COkLn)+0 {
vUIK4uR. ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
6M<mOhp@}n ss.dwCurrentState=SERVICE_RUNNING;
N8L)KgM5#7 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
V"2AN3~& ss.dwWin32ExitCode=NO_ERROR;
H,4,~lv| ss.dwCheckPoint=0;
n_xQSVI0F ss.dwWaitHint=0;
.2(@jx,[ SetServiceStatus(ssh,&ss);
>ihe|WN return;
ZZFI\o }
9TXm Z /////////////////////////////////////////////////////////////////////////
cVP49r}}v void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
|$|n V^y {
8tFyNl`c switch(Opcode)
d~z<,_r5c {
7z P case SERVICE_CONTROL_STOP://停止Service
(PT?h>|St ServiceStopped();
g6a3MJV` break;
c J"]yG)= case SERVICE_CONTROL_INTERROGATE:
On96N| SetServiceStatus(ssh,&ss);
?w5nKpG#RI break;
)Ido|!]0d }
si
mX return;
z7l;|T }
`aWwF}
+Y //////////////////////////////////////////////////////////////////////////////
2h? r![ //杀进程成功设置服务状态为SERVICE_STOPPED
fY\tvo% //失败设置服务状态为SERVICE_PAUSED
{'wU&! //
h> 5~
(n8 void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
z_,]fd=o {
xz+`]Q ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
Y;/=3T7An if(!ssh)
ID k:jO {
OTFu4"]M ServicePaused();
Ci#5@Q9#w return;
S>ylA U;N }
.pu`\BW> ServiceRunning();
`bi_)i6Low Sleep(100);
fPk9(X;G!p //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
b8b PK< //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
``YL]
<< if(KillPS(atoi(lpszArgv[5])))
Q]?J%P. ServiceStopped();
U-]PWt?C{ else
%},S#5L3 ServicePaused();
>0;"qT return;
XY t8vJ }
uF.\dY\xv /////////////////////////////////////////////////////////////////////////////
r0$9c void main(DWORD dwArgc,LPTSTR *lpszArgv)
T I7Ty+s {
v,.n/@s|X SERVICE_TABLE_ENTRY ste[2];
1.d9{LO [- ste[0].lpServiceName=ServiceName;
"y
,(9_# ste[0].lpServiceProc=ServiceMain;
7Hkf7\JY ste[1].lpServiceName=NULL;
Xi`U`7?D(= ste[1].lpServiceProc=NULL;
2.&V StartServiceCtrlDispatcher(ste);
1oW]O@R return;
uA}FuOE6 }
d<cbp[3F /////////////////////////////////////////////////////////////////////////////
Ex s _LN function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
+MoxvW6 下:
!
{o+B^^ /***********************************************************************
PM?Ri^55<L Module:function.c
KZ
>"L Date:2001/4/28
}Yl8Q>t Author:ey4s
"s6_lhu=E7 Http://www.ey4s.org bg3jo1J ***********************************************************************/
H><mcah #include
ORPl^n- ////////////////////////////////////////////////////////////////////////////
7u3b aM BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
]A<u eM {
AQNx% TOKEN_PRIVILEGES tp;
fD}]Mi:V LUID luid;
m=l3O:~J ]3#
@t:> if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
68br {
+n~rM'^4/ printf("\nLookupPrivilegeValue error:%d", GetLastError() );
9M~$W-5 return FALSE;
Pg8= }
8}`8lOE7 tp.PrivilegeCount = 1;
.Fz6+m;Z tp.Privileges[0].Luid = luid;
8JO\%DFJ if (bEnablePrivilege)
G.E~&{5xQ tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
sL`D}_: else
6o23#JgN tp.Privileges[0].Attributes = 0;
LYT<o FE- // Enable the privilege or disable all privileges.
wU3ica&[ AdjustTokenPrivileges(
5OqsnL_V hToken,
b6$A@b FALSE,
9oN'.H^ &tp,
m3!MHe~t sizeof(TOKEN_PRIVILEGES),
TV>R(D3T/ (PTOKEN_PRIVILEGES) NULL,
8;Bwz RtgT (PDWORD) NULL);
p~;z"Z // Call GetLastError to determine whether the function succeeded.
(2\ekct ^ if (GetLastError() != ERROR_SUCCESS)
~map5@Kd {
aeLo;!Jh printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
[&kk return FALSE;
EBE>&{%$^ }
,^[37/S return TRUE;
LzSusjEW@ }
b020U>)v ////////////////////////////////////////////////////////////////////////////
$zA[5}{ZtQ BOOL KillPS(DWORD id)
q'-l;V| {
jN{xpd HANDLE hProcess=NULL,hProcessToken=NULL;
f!Nc+ BOOL IsKilled=FALSE,bRet=FALSE;
;HwJw\fo __try
T
]nR
XW$ {
-ns a3P X_S]8Aa if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
F7u%oLjr {
mNB ]e5;N printf("\nOpen Current Process Token failed:%d",GetLastError());
%z_b/yG __leave;
-@?>nLQb }
bN%MT#X //printf("\nOpen Current Process Token ok!");
)
G&3V if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
p.Yg-CA {
_BaS\U%1( __leave;
{$=%5 }
BqA wo printf("\nSetPrivilege ok!");
S5vMP
N 05zdy-Fb if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
|}Z"|-Z {
QN5N hs printf("\nOpen Process %d failed:%d",id,GetLastError());
0# GwhB __leave;
U.} =j'Us+ }
yAkN2 //printf("\nOpen Process %d ok!",id);
u<r('IW0 if(!TerminateProcess(hProcess,1))
@
MoMU {
A+*(Pds printf("\nTerminateProcess failed:%d",GetLastError());
K4L#%KUPW __leave;
rxA)&