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。
Ep
} {m<8c 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 e7"Fm <1>与远程系统建立IPC连接
Obj?, O <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
=H8
LBM <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
}fqz8'E9 <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
3y9R1/! <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
I;u1mywd <6>服务启动后,killsrv.exe运行,杀掉进程
2^3N[pM; <7>清场
xJ=@xfr$ 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
9|('* /***********************************************************************
mT:Z!sS Module:Killsrv.c
"~:AsZ"7 Date:2001/4/27
o=%pR| Author:ey4s
3kU4?D] Http://www.ey4s.org Ej;BI#gx= ***********************************************************************/
{`KRr:w #include
!t.*xT4W #include
d<,'9/a> #include "function.c"
= ^NTHc^* #define ServiceName "PSKILL"
)c;zNs 3$TU2-x;g SERVICE_STATUS_HANDLE ssh;
+Y|1 7n SERVICE_STATUS ss;
=eHoJq /////////////////////////////////////////////////////////////////////////
V DN@=/ void ServiceStopped(void)
Gt|m;o {
OQ=0>;> ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
cT&!_g#g ss.dwCurrentState=SERVICE_STOPPED;
:_0"t- ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
'c6t,% ss.dwWin32ExitCode=NO_ERROR;
f$2DV:wuC ss.dwCheckPoint=0;
3=@lJ?Ym ss.dwWaitHint=0;
A
,$CYLj+ SetServiceStatus(ssh,&ss);
16cc9%
return;
4lCEzWo[/ }
XCAy _fL<B /////////////////////////////////////////////////////////////////////////
Mtw7aK void ServicePaused(void)
|<2g^ZK) {
:U{$G(
< ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
GJeP~ ss.dwCurrentState=SERVICE_PAUSED;
<F%c"Rkh ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
#'qDNY@ w} ss.dwWin32ExitCode=NO_ERROR;
7]J7'!Iz ss.dwCheckPoint=0;
$URL7hrhU ss.dwWaitHint=0;
CW+] Jv]" SetServiceStatus(ssh,&ss);
Ow3t2G return;
O_S%PX }
&;x*uG void ServiceRunning(void)
kWZ@v+Mk3 {
o1k
X` Eu ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
#s}& ss.dwCurrentState=SERVICE_RUNNING;
:svKE.7{ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
[t}@>@W| ss.dwWin32ExitCode=NO_ERROR;
Quts~Q ss.dwCheckPoint=0;
pRez${f.(s ss.dwWaitHint=0;
.@`5>_ SetServiceStatus(ssh,&ss);
+9fQ YJBA return;
?LAiSg=eq }
eE0'3?q( /////////////////////////////////////////////////////////////////////////
rm5@dM@ void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
K'@lXA: {
hN"cXz"/ switch(Opcode)
3!*qB-d {
L8{4>, case SERVICE_CONTROL_STOP://停止Service
#-<n@qNg[ ServiceStopped();
FPC^-mD break;
4))5l9kc. case SERVICE_CONTROL_INTERROGATE:
*U}cj A:ZN SetServiceStatus(ssh,&ss);
W|I<hY\X break;
`z!6zo2d }
tmgZNg
return;
&`LR{7m }
;JHR~ TV //////////////////////////////////////////////////////////////////////////////
O,_k.EH //杀进程成功设置服务状态为SERVICE_STOPPED
oa"_5kn, //失败设置服务状态为SERVICE_PAUSED
\&,{N_G#L. //
j0.E!8Ae{ void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
G^W'mV$xl {
t4H*&U ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
x1'4njTV$ if(!ssh)
C9VtRq {
AcQmY? ServicePaused();
p?H2W- return;
ZP(T=Q }
)/FEjo ServiceRunning();
WMXxP gik Sleep(100);
h~r&7G@[} //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
}9*N EU)o //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
(/^dyG|X' if(KillPS(atoi(lpszArgv[5])))
m2j]wUh" ServiceStopped();
&0k`=?v$ else
!;U;5 e=0 ServicePaused();
87ptab@ return;
)TtYm3, }
FE4P
EBXvu /////////////////////////////////////////////////////////////////////////////
g}gOAN3. void main(DWORD dwArgc,LPTSTR *lpszArgv)
? \p,s-CR: {
`Re{j{~s SERVICE_TABLE_ENTRY ste[2];
dhCrcYn ste[0].lpServiceName=ServiceName;
m> YjV>5 ste[0].lpServiceProc=ServiceMain;
(p!w`MSv ste[1].lpServiceName=NULL;
ypy ste[1].lpServiceProc=NULL;
+zINnX StartServiceCtrlDispatcher(ste);
`7$Sga6M return;
h}n?4B~Gi }
ZQI;b0C /////////////////////////////////////////////////////////////////////////////
j9g0k<eg function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
?d5_{*]+v 下:
N${Wh|__^l /***********************************************************************
h~-cnAMt Module:function.c
:7L[v9' Date:2001/4/28
ltg\x8w?c Author:ey4s
z>A;|iL Http://www.ey4s.org EHF
dQ0gIa ***********************************************************************/
0o]T6 #include
,: Z7P@
////////////////////////////////////////////////////////////////////////////
3ahbv%y BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
5}|bDJ$% _ {
]wHXrB8vx TOKEN_PRIVILEGES tp;
'XP LUID luid;
S '(K kj]m@mS[ if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
X ApSKJ {
D&|HS! printf("\nLookupPrivilegeValue error:%d", GetLastError() );
v:zKn[;o return FALSE;
mBON>Z[4. }
^"GDaMF tp.PrivilegeCount = 1;
Rxl/)H[Lc" tp.Privileges[0].Luid = luid;
6vr8rJ- if (bEnablePrivilege)
nPg,(8Tt tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
YtFH@M else
()ZP=\L tp.Privileges[0].Attributes = 0;
T_I ApC // Enable the privilege or disable all privileges.
f=kt0 AdjustTokenPrivileges(
[t+qYe8 hToken,
0fAo&B FALSE,
[{-5 &tp,
abtYa sizeof(TOKEN_PRIVILEGES),
byN4?3F (PTOKEN_PRIVILEGES) NULL,
H|I.h{: (PDWORD) NULL);
n<3{QqF // Call GetLastError to determine whether the function succeeded.
DP08$Iq if (GetLastError() != ERROR_SUCCESS)
jm&PGZ#n=R {
J5L[)Gd)D printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
aBT8mK -. return FALSE;
0RGqpJxk }
dz,4);Mg return TRUE;
1pJ?YV }
ueu=$.^;g ////////////////////////////////////////////////////////////////////////////
~^v*f BOOL KillPS(DWORD id)
/ 0y5/ {
=(Pk7{ HANDLE hProcess=NULL,hProcessToken=NULL;
IcUE=J BOOL IsKilled=FALSE,bRet=FALSE;
,ek0)z. __try
JXqwy^f {
-5u. Ix3
PD`EtkUnv if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
'da$i {
@q <d^]po printf("\nOpen Current Process Token failed:%d",GetLastError());
UdK +,k~m/ __leave;
3}x6IM2 }
$&KiN82, //printf("\nOpen Current Process Token ok!");
M <ccfU! if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
tvR|!N } {
rPkPQn: __leave;
^.u
J]k0 }
WF` printf("\nSetPrivilege ok!");
2|D<0d#W ,.TwM;w= if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
#)z7&nD {
#/o1D^ printf("\nOpen Process %d failed:%d",id,GetLastError());
G&@vTcF __leave;
P.'$L\ }
naiy] oY" //printf("\nOpen Process %d ok!",id);
[5wU0~>' if(!TerminateProcess(hProcess,1))
o0#zk {
IIUTo printf("\nTerminateProcess failed:%d",GetLastError());
XBN,{ __leave;
szas(7kDS }
dEK bB IsKilled=TRUE;
gjc[\"0a5h }
=fcRH:B: __finally
1pZ[rM'} {
qd@Fb* if(hProcessToken!=NULL) CloseHandle(hProcessToken);
Bt(U,nFB if(hProcess!=NULL) CloseHandle(hProcess);
(/gMtIw }
)g[7XB/w return(IsKilled);
(F'?c1 }
6;p"xC- //////////////////////////////////////////////////////////////////////////////////////////////
*#c^.4$' OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
M(#]NTr ~4 /*********************************************************************************************
YnW,6U['{g ModulesKill.c
eDL0Vw Create:2001/4/28
,N@N4<C] Modify:2001/6/23
;`rz ]7,* Author:ey4s
jGFDj"Y Http://www.ey4s.org XE?,)8 PsKill ==>Local and Remote process killer for windows 2k
;-d2~1$ **************************************************************************/
y0\ = F #include "ps.h"
h45RwQ5Z #define EXE "killsrv.exe"
cBDOA<]r, #define ServiceName "PSKILL"
!= u
S Z8q*XpUH #pragma comment(lib,"mpr.lib")
Jk,}3Cr/ //////////////////////////////////////////////////////////////////////////
Hg`2-
Nl //定义全局变量
KK41I8Mw SERVICE_STATUS ssStatus;
L]QBh\ SC_HANDLE hSCManager=NULL,hSCService=NULL;
aT}?-CUxx BOOL bKilled=FALSE;
P/ 7aj:h~P char szTarget[52]=;
a.B<W9$` //////////////////////////////////////////////////////////////////////////
{z*`*
O@ BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
8Lh[>|~= BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
-< }#ImTN BOOL WaitServiceStop();//等待服务停止函数
N7}yU~j^ BOOL RemoveService();//删除服务函数
'jjJ[16"d /////////////////////////////////////////////////////////////////////////
dY'>'1>P
9 int main(DWORD dwArgc,LPTSTR *lpszArgv)
}(v <f*7=n {
S'(Hl}h!. BOOL bRet=FALSE,bFile=FALSE;
@+(a{%~7y char tmp[52]=,RemoteFilePath[128]=,
c*Q6k<SKR szUser[52]=,szPass[52]=;
apd"p{ HANDLE hFile=NULL;
=(Wl'iG DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
_{48s8V
m"tke'a //杀本地进程
L0>w|LpRc if(dwArgc==2)
;7bY>zc(w {
/*hS0xN* if(KillPS(atoi(lpszArgv[1])))
g33Y]\ printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
~_W>ND else
Jec<1|
printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
sT+\
z lpszArgv[1],GetLastError());
?J's>q^X return 0;
~=9]M.$ }
CQ^I;[=d //用户输入错误
fhbILg else if(dwArgc!=5)
;ksxz {
8I%N^G printf("\nPSKILL ==>Local and Remote Process Killer"
vH/Y]Am "\nPower by ey4s"
O*-sSf "\nhttp://www.ey4s.org 2001/6/23"
^=Egf?|[ "\n\nUsage:%s <==Killed Local Process"
<PTi>C8;r "\n %s <==Killed Remote Process\n",
g].v lpszArgv[0],lpszArgv[0]);
.Af H>)E return 1;
#Q$`3rr }
|
sZu1K //杀远程机器进程
g0"KCX strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
) kK" 1\m strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
Ps9YP B- strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
%LBT:Aw VO+3@d: //将在目标机器上创建的exe文件的路径
["XS|"DM sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
8,YxCm ie __try
E K#ib {
eVB.g@%T //与目标建立IPC连接
8`;3`lZ if(!ConnIPC(szTarget,szUser,szPass))
MRL,#+VxA {
W!4xE printf("\nConnect to %s failed:%d",szTarget,GetLastError());
C 8qVYrw return 1;
H\ONv=}7I }
'w!8`LPu printf("\nConnect to %s success!",szTarget);
6Rc%P)6 //在目标机器上创建exe文件
Z'|A>4\ QE%|8UFY hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
OCYC
Dn E,
ybgAyJ{J< NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
AAld2"r if(hFile==INVALID_HANDLE_VALUE)
IX
y
$ {
0fU^ printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
X]AbBzy __leave;
qr[+^*Ha }
DU.[Sp //写文件内容
4Q
FX while(dwSize>dwIndex)
%QKRl5RM- {
"f3KE=cUm ?ne!LDlE| if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
7COJ.rA {
Mv^G%zg2 printf("\nWrite file %s
i=8){GX4 failed:%d",RemoteFilePath,GetLastError());
V0'_PR@; __leave;
&yQM8J~ }
1$adX dwIndex+=dwWrite;
+)7Yqh#$ }
]6 vqgu //关闭文件句柄
B^sHFc""V CloseHandle(hFile);
I\peO/w bFile=TRUE;
m1(cN%DBd //安装服务
NK0hT,_ if(InstallService(dwArgc,lpszArgv))
bLpGrGJs {
[Q*aJLG //等待服务结束
HOY9{>E}z if(WaitServiceStop())
/"%QIy'{ {
Pw_[{ LL //printf("\nService was stoped!");
O`W&`B(*k }
13:0%IO else
1F_ 1bAh$ {
zPT!Fa` //printf("\nService can't be stoped.Try to delete it.");
/o=,\kM }
p$A` qx<M_ Sleep(500);
ViG4tb //删除服务
^XQr`CqI RemoveService();
V`z2F'vT }
niIjatT }
1GL@t?S __finally
W!G2$e6 {
ooPH [p //删除留下的文件
$6]7>:8mz if(bFile) DeleteFile(RemoteFilePath);
N}2xt)JZz //如果文件句柄没有关闭,关闭之~
<r{ )*]#l if(hFile!=NULL) CloseHandle(hFile);
k(v8zDq* //Close Service handle
ET7(n0*P}] if(hSCService!=NULL) CloseServiceHandle(hSCService);
4? a!6 //Close the Service Control Manager handle
2!^[x~t if(hSCManager!=NULL) CloseServiceHandle(hSCManager);
-O=a"G= //断开ipc连接
(iZE}qf7g wsprintf(tmp,"\\%s\ipc$",szTarget);
h.W;Dmf6] WNetCancelConnection2(tmp,CONNECT_UPDATE_PROFILE,TRUE);
);.q:" if(bKilled)
;qF#!Kb5 printf("\nProcess %s on %s have been
6hs2B5)+ killed!\n",lpszArgv[4],lpszArgv[1]);
j!H\hj/] else
`y!6(xI printf("\nProcess %s on %s can't be
t"@:a
Y" killed!\n",lpszArgv[4],lpszArgv[1]);
_,M:"3;Z }
(mJqI)m8 return 0;
L('G1J} }
6!}tmdzR //////////////////////////////////////////////////////////////////////////
$N#f)8v BOOL ConnIPC(char *RemoteName,char *User,char *Pass)
' 1aU0< {
fuxBoB NETRESOURCE nr;
2eBA&t
char RN[50]="\\";
LF~=,S O/(qi8En strcat(RN,RemoteName);
3e g<) strcat(RN,"\ipc$");
$I7/FZP sgn,]3AUq nr.dwType=RESOURCETYPE_ANY;
{&Fh$H! nr.lpLocalName=NULL;
wZECG-jr/ nr.lpRemoteName=RN;
b:}`O!UBw nr.lpProvider=NULL;
Z Tx~+'( Y@S?0 if(WNetAddConnection2(&nr,Pass,User,FALSE)==NO_ERROR)
RJ_ratKN*g return TRUE;
<(Wa8PY2( else
AE)<ee%\\ return FALSE;
m$xyUv1 }
!$>d75zli /////////////////////////////////////////////////////////////////////////
2dr[0tE BOOL InstallService(DWORD dwArgc,LPTSTR *lpszArgv)
y/m^G=Q6g# {
nuB@Fkr BOOL bRet=FALSE;
F`ifHO __try
w\'Zcw,d {
rZy38Wo //Open Service Control Manager on Local or Remote machine
S4]xxc hSCManager=OpenSCManager(szTarget,NULL,SC_MANAGER_ALL_ACCESS);
nr>g0_%m if(hSCManager==NULL)
]8q5k5~ {
r'p;Nj. printf("\nOpen Service Control Manage failed:%d",GetLastError());
,0#5kc*X __leave;
jG0{>P#+ }
+_?;%PKkuF //printf("\nOpen Service Control Manage ok!");
FV/X&u8~ //Create Service
PZF>ia} hSCService=CreateService(hSCManager,// handle to SCM database
d{f3R8~Q. ServiceName,// name of service to start
_gY
so]S^B ServiceName,// display name
KZL5>E SERVICE_ALL_ACCESS,// type of access to service
D4m2*%M SERVICE_WIN32_OWN_PROCESS,// type of service
X?b]5?K;r SERVICE_AUTO_START,// when to start service
Tv0|e'^ SERVICE_ERROR_IGNORE,// severity of service
k})Ag7c failure
9BGPq) # EXE,// name of binary file
}B_n}<tjD NULL,// name of load ordering group
~$f+]7 NULL,// tag identifier
(9BjZ&ej NULL,// array of dependency names
<