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。
Z=KHsMnB OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
`T#Jiq E <1>与远程系统建立IPC连接
7M.TLV!f] <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
A
)q=.C#e <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
f)_k_ < <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
g6D7Y<}d <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
l b9O <6>服务启动后,killsrv.exe运行,杀掉进程
JLz.lk*. <7>清场
._X|Ye9/ 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
?S8_x]E /***********************************************************************
5$PDA*]9 Module:Killsrv.c
5+Ld1nom Date:2001/4/27
jtH>&O Author:ey4s
N{}o*K Http://www.ey4s.org [<nmJ-V ***********************************************************************/
E*"-U!?)l2 #include
cVYPPal #include
}+/F?_I=
% #include "function.c"
J/k4CV*li( #define ServiceName "PSKILL"
'=V1'I*
S%6 V(L| SERVICE_STATUS_HANDLE ssh;
t&>eZ" SERVICE_STATUS ss;
_xz>O[unf /////////////////////////////////////////////////////////////////////////
`Q1;Y void ServiceStopped(void)
h
7/wkv\y9 {
^[=1J ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
I9ZJ"29 ss.dwCurrentState=SERVICE_STOPPED;
j>I.d+ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
LLV1W0VO=P ss.dwWin32ExitCode=NO_ERROR;
yhsbso,5 a ss.dwCheckPoint=0;
<)]j;Tl ss.dwWaitHint=0;
o4qB0h SetServiceStatus(ssh,&ss);
hfL8]d- return;
Qd"R@+i }
^ZD0rp(l /////////////////////////////////////////////////////////////////////////
8mnzxtk void ServicePaused(void)
9O{b8=\} {
JY0}#FtgV ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
dfR?O#JPU ss.dwCurrentState=SERVICE_PAUSED;
%;ZDw@_< ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
gyT3[*eh ss.dwWin32ExitCode=NO_ERROR;
lHc|:vG? ss.dwCheckPoint=0;
IKFNu9*"h ss.dwWaitHint=0;
KB`">zq$u SetServiceStatus(ssh,&ss);
8(@Y@`/ return;
IAFj_VWC0 }
j"4]iI+ {" void ServiceRunning(void)
hmES@^n!_ {
Yw6d-5=: ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
W5U;{5 ss.dwCurrentState=SERVICE_RUNNING;
!#TM%w ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
k:0nj!^4w> ss.dwWin32ExitCode=NO_ERROR;
*USzzLq ss.dwCheckPoint=0;
@"vTz8oY@ ss.dwWaitHint=0;
q6T>y%|FZ SetServiceStatus(ssh,&ss);
Pm=i(TBS/ return;
q+1SU6x'm }
[E:-$R /////////////////////////////////////////////////////////////////////////
{^N90,! void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
qG8-UOUDt {
'(fCi switch(Opcode)
Rap =& {
j=V2~
xA6 case SERVICE_CONTROL_STOP://停止Service
Lv<)Dur0K ServiceStopped();
K-6+fgeB break;
lj+}5ySG/ case SERVICE_CONTROL_INTERROGATE:
E[8i$ SetServiceStatus(ssh,&ss);
_>/OqYR_jQ break;
?y4vHr"c }
|W;EPQ+< return;
LT:*K!>NOL }
x67,3CLy? //////////////////////////////////////////////////////////////////////////////
)A*Sl2ew //杀进程成功设置服务状态为SERVICE_STOPPED
?t"bF :! //失败设置服务状态为SERVICE_PAUSED
n1@ Or=5 //
Mw{skK>b void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
-z?O^:e#x {
Mb\[` 4z ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
e*/ya 8p? if(!ssh)
G}0fk]%\: {
mP+rPDGp ServicePaused();
[+
N 5 return;
O#@KP"8 }
.9u,54t ServiceRunning();
nk+*M9r|I Sleep(100);
G{{Or //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
pNzpT!}H> //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
bl-t>aO*.V if(KillPS(atoi(lpszArgv[5])))
("rIz8b ServiceStopped();
[.*o<
KP else
P(XNtQ= K ServicePaused();
fH[:S9@ return;
!|;w(/ }
M$AQZ')9 /////////////////////////////////////////////////////////////////////////////
i'NN void main(DWORD dwArgc,LPTSTR *lpszArgv)
pTzfc`~xv {
' $5o5\ SERVICE_TABLE_ENTRY ste[2];
'P,F)*kh ste[0].lpServiceName=ServiceName;
WgC*bp{ ste[0].lpServiceProc=ServiceMain;
^bckl
tSo ste[1].lpServiceName=NULL;
]J6+nA6)
ste[1].lpServiceProc=NULL;
bmu<V1[W StartServiceCtrlDispatcher(ste);
}dSxrT return;
bcy(
?( }
C@q&0\HN /////////////////////////////////////////////////////////////////////////////
Mb[4G>-v= function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
PdD|3B& 下:
^"\.,Y /***********************************************************************
H=k`7YN Module:function.c
MB]Y|Vee Date:2001/4/28
{r?qI Author:ey4s
)bPF@'rF2 Http://www.ey4s.org -"Q[n,"Y ***********************************************************************/
Y'S9
#include
#p^r)+\3= ////////////////////////////////////////////////////////////////////////////
g+iV0bbT BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
`%M}
:T {
QWWoj[d# TOKEN_PRIVILEGES tp;
NurbioFL LUID luid;
j[o5fr)L >5!/&D.q if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
J"dp?i {
;o0o6pF printf("\nLookupPrivilegeValue error:%d", GetLastError() );
c&T14!lfn return FALSE;
|~3$L\X }
Q`X5W tp.PrivilegeCount = 1;
N~A#itmdx tp.Privileges[0].Luid = luid;
|Zo_x}0 if (bEnablePrivilege)
R(sa.Q\D4 tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
r
,,A% else
8!AMRE tp.Privileges[0].Attributes = 0;
,Uv8[ci%9 // Enable the privilege or disable all privileges.
f{[,!VG AdjustTokenPrivileges(
e`Z3{H} hToken,
YJ{d\j FALSE,
1yIo'i1 &tp,
.DkDMg1US sizeof(TOKEN_PRIVILEGES),
L5*,l`lET (PTOKEN_PRIVILEGES) NULL,
8E!I9z (PDWORD) NULL);
TAt9+\' // Call GetLastError to determine whether the function succeeded.
,`JXBI~ if (GetLastError() != ERROR_SUCCESS)
^D0BGC&& {
"@[xo7T printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
.W+ F<]r return FALSE;
WPM<Qv L }
XU#nqvS` . return TRUE;
:`ysq }
w5(GRAH ////////////////////////////////////////////////////////////////////////////
Z0 e+CEzq BOOL KillPS(DWORD id)
C4P7, {
/fM6%V=Y HANDLE hProcess=NULL,hProcessToken=NULL;
jdY v*/^ BOOL IsKilled=FALSE,bRet=FALSE;
|k4ZTr]? __try
q61
rNOw_ {
=w.#j-jR r4c3t,L*$I if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
Gr;~P* {
\[+\JWJj printf("\nOpen Current Process Token failed:%d",GetLastError());
"Rp ]2'? __leave;
dkQA[/k }
nA]dQ+5sT //printf("\nOpen Current Process Token ok!");
C"IP1N if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
Fq5);sX= {
0OMyE9jJJ __leave;
B|O/h!H. }
qt}[M|Q^r printf("\nSetPrivilege ok!");
qpl "j- ~j\/3;^s
if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
CW=-@W7 {
EtH)E) printf("\nOpen Process %d failed:%d",id,GetLastError());
?mt$c6- __leave;
Ffm Q$>S }
ma
}Y\(38 //printf("\nOpen Process %d ok!",id);
[<sBnHbvQ. if(!TerminateProcess(hProcess,1))
AMYoSc {
gHlahg printf("\nTerminateProcess failed:%d",GetLastError());
I#Tl __leave;
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