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。
z6KCv(zvB OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
y_*
!6Xr <1>与远程系统建立IPC连接
-R|,9o^ <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
6hno)kd{= <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
H`*LBqDk <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
EEEh~6?-e <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
=2`[& <6>服务启动后,killsrv.exe运行,杀掉进程
vNyf64) <7>清场
D>`xzt '.6 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
/j#n /***********************************************************************
.M qP_Z', Module:Killsrv.c
@CpfP;*{w` Date:2001/4/27
JB%',J Author:ey4s
h0(BO*cy Http://www.ey4s.org fe\mL mK9 ***********************************************************************/
d2*fLEsF #include
X:A^<L
~ #include
L^r#o-H< #include "function.c"
GB23\Yv #define ServiceName "PSKILL"
>@U*~Nz ] ]u
s % SERVICE_STATUS_HANDLE ssh;
1auIR/=- SERVICE_STATUS ss;
iW)8j 8 /////////////////////////////////////////////////////////////////////////
n4O]8C'lW9 void ServiceStopped(void)
y%&q/tk {
S8kCp; ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
bHY=x}Hv ss.dwCurrentState=SERVICE_STOPPED;
5VfyU8)7X ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
+KF^Z$I ss.dwWin32ExitCode=NO_ERROR;
Q7HRzA^- ss.dwCheckPoint=0;
Sgeh %f ss.dwWaitHint=0;
i[O& )N,c SetServiceStatus(ssh,&ss);
`fA@hK
return;
B al`y }
r )Ma3FL0; /////////////////////////////////////////////////////////////////////////
|-fgj' void ServicePaused(void)
/fKx}}g) {
5[8xV%>; ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
Lz
|?ek7Q ss.dwCurrentState=SERVICE_PAUSED;
E@z<:pG{ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
&yct!YOB2 ss.dwWin32ExitCode=NO_ERROR;
_?-E7:Sw ss.dwCheckPoint=0;
j@AIK+0Qc ss.dwWaitHint=0;
5GI,o|[s6 SetServiceStatus(ssh,&ss);
D@,6M#SK return;
BnX0G1|# }
S4Pxc
]! void ServiceRunning(void)
Fe# 1 {
9>=;FY ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
9"N~yKa`"K ss.dwCurrentState=SERVICE_RUNNING;
B~'vCuE ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
Q3XpHnufu+ ss.dwWin32ExitCode=NO_ERROR;
1rNzJ;' ss.dwCheckPoint=0;
=T3<gGM ss.dwWaitHint=0;
|.(dq^ SetServiceStatus(ssh,&ss);
g!FuY/%+ return;
[T|aw1SoN }
t=BUN /////////////////////////////////////////////////////////////////////////
N+9VYH"* void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
)~GmU9f {
#%pI(,o= switch(Opcode)
h8x MI {
e|g5=2(Pr& case SERVICE_CONTROL_STOP://停止Service
2A']yD ServiceStopped();
+=>,Pto< break;
M=8.Bp|Ye case SERVICE_CONTROL_INTERROGATE:
ZFiee|,q SetServiceStatus(ssh,&ss);
](Xb_xMf break;
%@<8<6&q }
fnpYT:%fG
return;
EH-sZAv }
`jDTzhO~ //////////////////////////////////////////////////////////////////////////////
5^}\4.eXo //杀进程成功设置服务状态为SERVICE_STOPPED
9)D6Nm //失败设置服务状态为SERVICE_PAUSED
]RwpX ^ 1 //
,bZL C void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
N,<uf@LQ {
<]6SN ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
UBv,=v if(!ssh)
Bm:98? [ {
3RigzT3 ServicePaused();
59 h]UX= return;
Ka'=o?'B5 }
C0sX gM ServiceRunning();
Vouvr<43o Sleep(100);
xI{)6t$` //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
*zaQx+L //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
p99] if(KillPS(atoi(lpszArgv[5])))
<3oWEm ServiceStopped();
I~[F|d> else
el&0}`K ServicePaused();
H/"-Z;0{ return;
vRznw&^E }
<h!_>:2L /////////////////////////////////////////////////////////////////////////////
mWv3!i;G<s void main(DWORD dwArgc,LPTSTR *lpszArgv)
hM_lsc {
0$(WlP| SERVICE_TABLE_ENTRY ste[2];
\/93Dz ste[0].lpServiceName=ServiceName;
0^v`T%|fTX ste[0].lpServiceProc=ServiceMain;
KsddA ste[1].lpServiceName=NULL;
'Y?"{HZ ste[1].lpServiceProc=NULL;
kT|dUw9G StartServiceCtrlDispatcher(ste);
\9.bt:k@OT return;
ru'F6?d }
9-sw!tKx /////////////////////////////////////////////////////////////////////////////
gx-2v|pZ 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
AL[KpY 下:
DMs,y{v /***********************************************************************
b
k~(^!R Module:function.c
N(O9&L*4fm Date:2001/4/28
%9
SJ
E Author:ey4s
i9rN9Mq?O Http://www.ey4s.org @g|v;B|{ ***********************************************************************/
u/UrAqw #include
@Rg/~\ K ////////////////////////////////////////////////////////////////////////////
nI[os BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
G5{T5# {
xv46r=> TOKEN_PRIVILEGES tp;
O8f?; ] LUID luid;
m\;R2"H% M+-*QyCFK if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
&C:IX\ {
QfmJn(( printf("\nLookupPrivilegeValue error:%d", GetLastError() );
ZVW'>M7. return FALSE;
@MoKWfc }
"H2EL}3/] tp.PrivilegeCount = 1;
WEAT01 tp.Privileges[0].Luid = luid;
mR!1DQ.\< if (bEnablePrivilege)
M|VyV(f tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
2Zm0qJ else
GmK^}=frj tp.Privileges[0].Attributes = 0;
+|*IZ:w) // Enable the privilege or disable all privileges.
<:_wbVn- AdjustTokenPrivileges(
1kz\IQ{ hToken,
] ;KJ6 FALSE,
G%BjhpL &tp,
2L!u1 sizeof(TOKEN_PRIVILEGES),
sXqz+z$* (PTOKEN_PRIVILEGES) NULL,
bkRLC_/d (PDWORD) NULL);
n*o-Lo+Fe. // Call GetLastError to determine whether the function succeeded.
} j<)L, if (GetLastError() != ERROR_SUCCESS)
__uA}fZp {
_,kj:R. printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
/pm]BC return FALSE;
CMe
06^U }
p}jE return TRUE;
"<6G6?sz }
P)"noG_'i ////////////////////////////////////////////////////////////////////////////
C^s^D: BOOL KillPS(DWORD id)
{baq+ {
=NpYFKmMhV HANDLE hProcess=NULL,hProcessToken=NULL;
FW.7'7G@n BOOL IsKilled=FALSE,bRet=FALSE;
z Eq GD2" __try
57aXQ8u{ {
K)6rY(x
> m)8BgCy if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
v0ujdp,B {
vx\r!] printf("\nOpen Current Process Token failed:%d",GetLastError());
ih)zG __leave;
$Y;U[_l# }
Gw=B:kGk //printf("\nOpen Current Process Token ok!");
?yZ+D z\ if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
j 7fL7:,T {
$yN{-T" __leave;
K'55O&2 }
#:jHp44J printf("\nSetPrivilege ok!");
:1 ^LsLr5 ><RpEnWZ< if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
G, 44va {
p5Z"|\ printf("\nOpen Process %d failed:%d",id,GetLastError());
<5d~P/, __leave;
FO+Zue.RS }
`-.%^eIp //printf("\nOpen Process %d ok!",id);
svsq g{9z if(!TerminateProcess(hProcess,1))
-#7'r<I9@ {
LuNc,n% printf("\nTerminateProcess failed:%d",GetLastError());
E{`kaWmC&~ __leave;
i6R~`0>Q }
vNVox0V IsKilled=TRUE;
?fiIwF) }
Amp#GR1CA __finally
y?rPlA_ {
\j+1V1t9 if(hProcessToken!=NULL) CloseHandle(hProcessToken);
iM AfJ-oN if(hProcess!=NULL) CloseHandle(hProcess);
d+<G1w&