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。
-} +[ OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
CAe!7HiR <1>与远程系统建立IPC连接
Fs{*XKv&lH <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
B[}6-2<>?C <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
>usL*b0% <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
[RL9>n8f <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
GB^B r6 <6>服务启动后,killsrv.exe运行,杀掉进程
W/ \g~=vo <7>清场
5N]"~w* 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
3
{V>S,O3] /***********************************************************************
RNL9>7xV Module:Killsrv.c
Y@v>FlqI{ Date:2001/4/27
xoL\us`A Author:ey4s
/xQTxh1;K Http://www.ey4s.org C^){.UGmJ ***********************************************************************/
df=f62 #include
z{543~Og59 #include
_GPe<H #include "function.c"
YR70BOxK #define ServiceName "PSKILL"
NHt\
U9l' 7^Uv7<pw SERVICE_STATUS_HANDLE ssh;
>~f]_puT SERVICE_STATUS ss;
iCoX&"lb /////////////////////////////////////////////////////////////////////////
q)GdD== void ServiceStopped(void)
=D(j)<9$A {
yauvXosX ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
cNrg#Asen& ss.dwCurrentState=SERVICE_STOPPED;
_aphkeqd ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
W)/#0*7 ss.dwWin32ExitCode=NO_ERROR;
3q.q
YX ss.dwCheckPoint=0;
}\f0 A- ss.dwWaitHint=0;
{:s f7 SetServiceStatus(ssh,&ss);
}ZI7J return;
l{9Y }
9sP0D /////////////////////////////////////////////////////////////////////////
S/ *E,))m void ServicePaused(void)
=|=(l)8 {
(:_$5&i7 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
y-k.U% ss.dwCurrentState=SERVICE_PAUSED;
=]t|];c% ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
W^Yxny ss.dwWin32ExitCode=NO_ERROR;
DXo|.!P=3 ss.dwCheckPoint=0;
!i50QA|(G ss.dwWaitHint=0;
mw!F{pw SetServiceStatus(ssh,&ss);
u,
ff>/1 return;
pmM9,6P4@ }
oDR%\VY6T void ServiceRunning(void)
sK{e*[I>W {
> I?IPQB
ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
QZs!{sZ ss.dwCurrentState=SERVICE_RUNNING;
Hz~zu{;{J ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
do%&m]#; ss.dwWin32ExitCode=NO_ERROR;
|>Vb9:q9Po ss.dwCheckPoint=0;
_-D{-Bu# ss.dwWaitHint=0;
sx%[=g+<2( SetServiceStatus(ssh,&ss);
3F3A%C% return;
eavV?\uV% }
Z r8*et /////////////////////////////////////////////////////////////////////////
hrn+UL:d void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
^ c<Ve'- {
Ey2^? switch(Opcode)
pkzaNY/q {
%{|p j
+ case SERVICE_CONTROL_STOP://停止Service
&HW9Jn ServiceStopped();
%A`+WYeuX break;
NJ<F>3 case SERVICE_CONTROL_INTERROGATE:
]`K2N SetServiceStatus(ssh,&ss);
+2{Lh7Ks break;
vQCy\Gi }
l-Z4Mq6*L return;
=euni}7a }
nKY6[|!# //////////////////////////////////////////////////////////////////////////////
yAt^; //杀进程成功设置服务状态为SERVICE_STOPPED
YWLj?+ //失败设置服务状态为SERVICE_PAUSED
<YY 14p //
KPF1cJ2N void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
QV!up^Zso {
fVlB=8DNk& ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
}tz7b# if(!ssh)
0S"MC9beg {
G[=c
Ss, ServicePaused();
b9krOe*j return;
z_HdISy0 }
~}P,.QQ ServiceRunning();
Da|z"I
x Sleep(100);
(>Em^(& //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
A"]YM'. //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
p{_" bB if(KillPS(atoi(lpszArgv[5])))
Y4-t7UlS; ServiceStopped();
eFgA 8kY) else
uT"rq:N ServicePaused();
R_C) return;
j%kncGS }
dN q$} /////////////////////////////////////////////////////////////////////////////
;l+Leex
void main(DWORD dwArgc,LPTSTR *lpszArgv)
L0,'mS {
vP&(-a SERVICE_TABLE_ENTRY ste[2];
*@5 @,=d ste[0].lpServiceName=ServiceName;
5!
{D! ste[0].lpServiceProc=ServiceMain;
]Ze1s02( ste[1].lpServiceName=NULL;
c{|p.hd ste[1].lpServiceProc=NULL;
4s-!7 StartServiceCtrlDispatcher(ste);
9{l}bu/u return;
lxx2H1([ }
-n
1v3 /////////////////////////////////////////////////////////////////////////////
Ui~>SN>s 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
o-5TC 下:
uRvP hkqm /***********************************************************************
o!Zb0/AP) Module:function.c
pBHRa?Y5 Date:2001/4/28
y(#e}z: Author:ey4s
[txE .7p Http://www.ey4s.org /uflpV| ***********************************************************************/
9[4xFE?| #include
H_a[)DT ////////////////////////////////////////////////////////////////////////////
>MZ/|`[M BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
{: /}NpA$ {
?,z}%p TOKEN_PRIVILEGES tp;
y29m/i: LUID luid;
C%u28| HMXE$d=[ if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
)=+|i3]U {
G|Ti4_w
printf("\nLookupPrivilegeValue error:%d", GetLastError() );
/~1+i'7V., return FALSE;
sHj/; }
dtDFoETz tp.PrivilegeCount = 1;
_a, s
) tp.Privileges[0].Luid = luid;
.-zom~N-? if (bEnablePrivilege)
4W75T2q# tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
pglVR </ else
LVyyO3e tp.Privileges[0].Attributes = 0;
6tZI["\ // Enable the privilege or disable all privileges.
KNl$3nX AdjustTokenPrivileges(
w0.
u\ hToken,
Eci\a] FALSE,
+A+)=/i; &tp,
HS$r8`S?) sizeof(TOKEN_PRIVILEGES),
h[ ZN+M (PTOKEN_PRIVILEGES) NULL,
Py<}S-: (PDWORD) NULL);
u8^lB7!e/ // Call GetLastError to determine whether the function succeeded.
6Wn1{v0 if (GetLastError() != ERROR_SUCCESS)
bA 2pbjg= {
(FV >m printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
/
{%%"j return FALSE;
x`s>*^ }
SbZ6t$" return TRUE;
\V:^h[ad }
+ZYn? #IQ ////////////////////////////////////////////////////////////////////////////
tPvpJX6kP BOOL KillPS(DWORD id)
3|7QUld {
ooGM$U HANDLE hProcess=NULL,hProcessToken=NULL;
K3C <{#r BOOL IsKilled=FALSE,bRet=FALSE;
x-c"%Z| __try
jIyQ]:* p {
Bvj0^fSm reVgqYp{{- if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
~[: 2I {
INf&4!&h printf("\nOpen Current Process Token failed:%d",GetLastError());
@HW*09TG __leave;
X&zis1A< }
}u|q0>^8 //printf("\nOpen Current Process Token ok!");
Rcv9mj]l if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
E7hhew {
6@o*xK7L __leave;
^.tg 7%dJ }
=41xkAMnk printf("\nSetPrivilege ok!");
X]=t> <i[HbgUlO. if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
d-m7}2c {
Cw%{G'O printf("\nOpen Process %d failed:%d",id,GetLastError());
$(
)>g>% __leave;
0V]s:S }
-di o5a //printf("\nOpen Process %d ok!",id);
!wNO8;( if(!TerminateProcess(hProcess,1))
]9L
oZ) {
BVm0{*-[| printf("\nTerminateProcess failed:%d",GetLastError());
_ |p8M!
__leave;
BY*Q_Et }
&zhAh1m IsKilled=TRUE;
+"(jjxJm }
CARzO7b\w __finally
u>$t' {
WHI`/FM if(hProcessToken!=NULL) CloseHandle(hProcessToken);
4YHY7J if(hProcess!=NULL) CloseHandle(hProcess);
% nIf)/2g }
*A< 5*Db:F return(IsKilled);
fnY.ao1-s[ }
9l,oP? //////////////////////////////////////////////////////////////////////////////////////////////
y]imZ4{/ OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
N7_"H>O$0U /*********************************************************************************************
t
Pf40`@ ModulesKill.c
k8Xm n6X Create:2001/4/28
9kojLqCT Modify:2001/6/23
_|]x2xb) Author:ey4s
mTh]PPo Http://www.ey4s.org 7|D +Ihy; PsKill ==>Local and Remote process killer for windows 2k
/> Nt[o[r **************************************************************************/
FqifriLN #include "ps.h"
AEuG v}# #define EXE "killsrv.exe"
[V!tVDs&'o #define ServiceName "PSKILL"
nie% eC&U $|@ r!/W #pragma comment(lib,"mpr.lib")
f-d1KNY //////////////////////////////////////////////////////////////////////////
B:QHwzd //定义全局变量
<or2 SERVICE_STATUS ssStatus;
CJ%I51F`X SC_HANDLE hSCManager=NULL,hSCService=NULL;
V,9cl,z+ BOOL bKilled=FALSE;
{|\.i char szTarget[52]=;
RL<c>PY //////////////////////////////////////////////////////////////////////////
?}7p"3j'z BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
d"NLE'R BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
)jC%a6G! BOOL WaitServiceStop();//等待服务停止函数
? q&T$8zc4 BOOL RemoveService();//删除服务函数
1sCR4L:+ /////////////////////////////////////////////////////////////////////////
LF7SS;&~f int main(DWORD dwArgc,LPTSTR *lpszArgv)
tu?MY p; {
b6 M BOOL bRet=FALSE,bFile=FALSE;
&OBkevg char tmp[52]=,RemoteFilePath[128]=,
\?N2=jsu$ szUser[52]=,szPass[52]=;
4fzZ;2sl} HANDLE hFile=NULL;
L+QLLcS~EM DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
ipILG4 X jX2] //杀本地进程
=2 kG%9 if(dwArgc==2)
rbpSg7}Q {
_2nx^E(pd if(KillPS(atoi(lpszArgv[1])))
$A`VYJtt# printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
%IRi1EmN8 else
wf$s*|z printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
;GI&lpKK lpszArgv[1],GetLastError());
|I|fMF2K return 0;
l+R+&b^ }
Uwi7) //用户输入错误
QIgNsz else if(dwArgc!=5)
9K&:V(gmw {
_? OG1t! printf("\nPSKILL ==>Local and Remote Process Killer"
%#}Z y
"\nPower by ey4s"
9E tz[`| "\nhttp://www.ey4s.org 2001/6/23"
hzRYec( "\n\nUsage:%s <==Killed Local Process"
+]50D xflA "\n %s <==Killed Remote Process\n",
n}V_,:Z lpszArgv[0],lpszArgv[0]);
A4ygW: return 1;
""D 4s }
WT}H>T //杀远程机器进程
-GgA&dh strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
/SrAW`;" strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
~= -RK$= strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
t_suF$ _,d~}_$`i //将在目标机器上创建的exe文件的路径
Y#3c }qb sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
(b6NX~G-: __try
5 BJmA2L {
9$m|'$p3sG //与目标建立IPC连接
g>9kXP+ if(!ConnIPC(szTarget,szUser,szPass))
4,0{7MLgK {
IkXx# ) printf("\nConnect to %s failed:%d",szTarget,GetLastError());
t. '!`5G return 1;
^Q^_?~h*! }
gGS=cdlV printf("\nConnect to %s success!",szTarget);
Y)a^(!<H< //在目标机器上创建exe文件
kE(mVyLQ +&"zU GTIc hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
4 N7^? E,
R^e.s
- NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
.-X8J t if(hFile==INVALID_HANDLE_VALUE)
=6#Eh=7N {
ff1c/c/ printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
1&o|TT/ __leave;
N{~YJ$!8 }
V,?yPi$#E //写文件内容
m<g~H4 while(dwSize>dwIndex)
I15{)o(8$ {
Y7[jqb1D 2Q"K8=s if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
wIBO
^w\J {
<kd1Nrr!p printf("\nWrite file %s
(/*]?Ehd failed:%d",RemoteFilePath,GetLastError());
yEj^=pw __leave;
9pxc~= }
xpx\=iAe dwIndex+=dwWrite;
:Qf '2.h) }
:TC@tM~Oy //关闭文件句柄
NS6:yX,/ CloseHandle(hFile);
*GN#
r11d bFile=TRUE;
!o[7wKrXb //安装服务
Oh\<VvZuN if(InstallService(dwArgc,lpszArgv))
.Twk {p {
xLZG:^(I //等待服务结束
S+ ^E. if(WaitServiceStop())
_aMPa+D=P {
B i<Q=x'Z; //printf("\nService was stoped!");
{LQ#y/H? }
Sw^u3 else
f[^Aw(o {
SrK<fAkx //printf("\nService can't be stoped.Try to delete it.");
FzXJ]H }
~B(4qK1G Sleep(500);
8d-t|HkN //删除服务
;K&o-y RemoveService();
&&RimoIeo }
/mu*-,aeX }
pDCeQ6? __finally
3az&