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。
FUzMc1zy| OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
;5Wx$Yfx <1>与远程系统建立IPC连接
_86*.3fQG <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
:uIi
? <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
&Xn8oe <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
V'Z&>6Z <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
Av;q:x? <6>服务启动后,killsrv.exe运行,杀掉进程
94p:| 5@ <7>清场
/mMAwx 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
veX"CY`hn /***********************************************************************
z*dQIC Module:Killsrv.c
6<qwP?WN Date:2001/4/27
sx[&4 k[ Author:ey4s
%eutfM-?6 Http://www.ey4s.org 2 <6`TA*m ***********************************************************************/
ax72e hL} #include
20.-;jK #include
i!1ho T$ #include "function.c"
u6iU[5 #define ServiceName "PSKILL"
56bud3CVs nI` f_sp SERVICE_STATUS_HANDLE ssh;
wZo.ynXT SERVICE_STATUS ss;
6=G~6Qu /////////////////////////////////////////////////////////////////////////
##EB; Y void ServiceStopped(void)
)y%jLiQv {
,TKs/-_? ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
$KwI}>E4 ss.dwCurrentState=SERVICE_STOPPED;
w PG1P'w; ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
I9[1U ss.dwWin32ExitCode=NO_ERROR;
kb"_6,[Ms ss.dwCheckPoint=0;
|2
YubAIZ( ss.dwWaitHint=0;
"'z,[v50& SetServiceStatus(ssh,&ss);
J0ZxhxX35 return;
XSm"I[.g }
{uaZ<4N. /////////////////////////////////////////////////////////////////////////
4GU/V\e| void ServicePaused(void)
eq@am(#&kY {
W.#}qK"
q ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
G%P>Ag ss.dwCurrentState=SERVICE_PAUSED;
0kNe?Xi ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
=9qGEkd3 ss.dwWin32ExitCode=NO_ERROR;
(kWSK:l ss.dwCheckPoint=0;
QQg8+{> ss.dwWaitHint=0;
`1E|PQbWc SetServiceStatus(ssh,&ss);
:mXGIRi return;
;~Q }
h&=O-5 void ServiceRunning(void)
GSMk\9SI {
7SgweZ}" ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
b 0LGH.
z4 ss.dwCurrentState=SERVICE_RUNNING;
ibd$%;bX3 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
KP[NuXA` ss.dwWin32ExitCode=NO_ERROR;
g.B%#bfg ss.dwCheckPoint=0;
j4~7akG ss.dwWaitHint=0;
X q}Ucpj SetServiceStatus(ssh,&ss);
HE#,(;1i return;
lZ|L2Yg3uB }
||-nmOy /////////////////////////////////////////////////////////////////////////
NJ;"jQ- void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
8
uDerJ! {
jd%Len&p switch(Opcode)
@4IW=V {
up\oWR: case SERVICE_CONTROL_STOP://停止Service
0dgP ServiceStopped();
b]!9eV$ break;
(C8 U case SERVICE_CONTROL_INTERROGATE:
doP$N3Zm SetServiceStatus(ssh,&ss);
s?QVX~S" break;
\#4m@ }
d]tv'|E13 return;
_iG2J&1'L }
tigT@!`$Y //////////////////////////////////////////////////////////////////////////////
Nls83 W //杀进程成功设置服务状态为SERVICE_STOPPED
E,{GU //失败设置服务状态为SERVICE_PAUSED
-PNi^
K_ //
)y9 ;OA void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
wP[xmO-% {
NH7`5mF$ ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
A/q2g7My if(!ssh)
yJ!OsD {
Z[",$Lt ServicePaused();
21r==
H$ return;
T vrk^! }
2O
eshkE ServiceRunning();
K(<$. Sleep(100);
8zhBA9Y#~ //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
"-w^D!C //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
rRB~=J" if(KillPS(atoi(lpszArgv[5])))
Og,Y)a;= ServiceStopped();
95=gY else
kOw=c Gt ServicePaused();
^_v[QV return;
AY#wVy }
b2N6L2~V /////////////////////////////////////////////////////////////////////////////
6X/wdk void main(DWORD dwArgc,LPTSTR *lpszArgv)
yL0f1nS {
f|OI` SERVICE_TABLE_ENTRY ste[2];
RFw(]o,9cR ste[0].lpServiceName=ServiceName;
Z&_y0W=t ste[0].lpServiceProc=ServiceMain;
4&Byl85q ste[1].lpServiceName=NULL;
!c% ste[1].lpServiceProc=NULL;
lC0~c=?J StartServiceCtrlDispatcher(ste);
Q"40#RFA return;
O~V1Ywfq7^ }
qu_)`wB /////////////////////////////////////////////////////////////////////////////
u*2fP]n 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
]kx-,M( 下:
P0^c?s"I /***********************************************************************
5sCFzo<=vh Module:function.c
;HDZ+B Date:2001/4/28
o]Gguw5W{ Author:ey4s
"'m)VG Http://www.ey4s.org |6aJwe+*
***********************************************************************/
tQWWgLM #include
v:E;^$6Vn ////////////////////////////////////////////////////////////////////////////
m`z7fi7u BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
r'/\HWNP {
#ZJMlJ:q`" TOKEN_PRIVILEGES tp;
Ly;I,)w LUID luid;
i}v9ut]B W{
fZ[z if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
4o<*PPA1 {
%}P4kEY printf("\nLookupPrivilegeValue error:%d", GetLastError() );
CE uWw:) return FALSE;
(89Ji'dc }
C5|db{=\.* tp.PrivilegeCount = 1;
<47k@Ym tp.Privileges[0].Luid = luid;
OF[?Z if (bEnablePrivilege)
mzWP8Hlw tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
l
_+6=u else
N2BI_,hI1 tp.Privileges[0].Attributes = 0;
Z|G/^DK! // Enable the privilege or disable all privileges.
`H>b5 AdjustTokenPrivileges(
t2-
^-g6 hToken,
,M QVE FALSE,
Oe51PEqn &tp,
RT^v:paNT2 sizeof(TOKEN_PRIVILEGES),
9Hd;353Q (PTOKEN_PRIVILEGES) NULL,
!;S"&mcPDJ (PDWORD) NULL);
`1Zhq+s // Call GetLastError to determine whether the function succeeded.
OR:[J5M) if (GetLastError() != ERROR_SUCCESS)
y`yZR
_ {
kbYeV_OwM printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
44\cI]!{ return FALSE;
/`[!_4i }
4U=75!> return TRUE;
Z<U>A
}
F30
]
////////////////////////////////////////////////////////////////////////////
03k?:D+5 BOOL KillPS(DWORD id)
SHV4!xP-V {
iXFP5a>| HANDLE hProcess=NULL,hProcessToken=NULL;
c
pk^!@c BOOL IsKilled=FALSE,bRet=FALSE;
9'nH2,_ __try
)0k']g5 {
o:"anHs :P$#MC if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
Pao%pA.< {
KVkMU?6 printf("\nOpen Current Process Token failed:%d",GetLastError());
wG1l+^p __leave;
Ts9ktPlm }
WkP
+r9rT //printf("\nOpen Current Process Token ok!");
DIaYo4 if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
\}5p0.= {
d,0 }VaY=D __leave;
a^t?vv }
H6K`\8/SeN printf("\nSetPrivilege ok!");
m}3gZu] <@G8ni if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
KVPR}qTP; {
$bvJTuw printf("\nOpen Process %d failed:%d",id,GetLastError());
,lt8O.h-l __leave;
G_ >G'2 }
FY'ty@|_s //printf("\nOpen Process %d ok!",id);
c)}2K0 if(!TerminateProcess(hProcess,1))
#aar9 {
&H||&Z[pk printf("\nTerminateProcess failed:%d",GetLastError());
M6rc!K __leave;
Qd
&"BEs }
sbj";h=E IsKilled=TRUE;
L?5f+@0. }
2&Jdf __finally
}7s>B24J {
hePPxKQ- if(hProcessToken!=NULL) CloseHandle(hProcessToken);
OtTBErQNF if(hProcess!=NULL) CloseHandle(hProcess);
jZpa0g rA }
9zBMlc$X return(IsKilled);
1[;;sSp }
usFfMF X //////////////////////////////////////////////////////////////////////////////////////////////
uuNR?1fS 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:
ua5?(,E`'] /*********************************************************************************************
a|4~NL ModulesKill.c
?F7o!B Create:2001/4/28
C/=XuKE-t Modify:2001/6/23
yClx` S( Author:ey4s
+Qxu$# Http://www.ey4s.org 71fk.16 PsKill ==>Local and Remote process killer for windows 2k
d$W **************************************************************************/
-%CoWcGP #include "ps.h"
'?QuJFki #define EXE "killsrv.exe"
@+LfQY #define ServiceName "PSKILL"
"*z_O @U{<a# #pragma comment(lib,"mpr.lib")
:hRs`=d"r //////////////////////////////////////////////////////////////////////////
&a,OfSz //定义全局变量
52_# SERVICE_STATUS ssStatus;
F {+`uG SC_HANDLE hSCManager=NULL,hSCService=NULL;
r?/A?DMe BOOL bKilled=FALSE;
TUIk$U?/I char szTarget[52]=;
"O[j!fG8, //////////////////////////////////////////////////////////////////////////
(u3s"I
d BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
44ed79ly0) BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
q.#[TI ^ BOOL WaitServiceStop();//等待服务停止函数
I1Sa^7 BOOL RemoveService();//删除服务函数
%+)o'nf"U /////////////////////////////////////////////////////////////////////////
k S#
CEU7 int main(DWORD dwArgc,LPTSTR *lpszArgv)
)B#
, {
h#r^teui) BOOL bRet=FALSE,bFile=FALSE;
^].jH+7i* char tmp[52]=,RemoteFilePath[128]=,
S=`+Ryc szUser[52]=,szPass[52]=;
sP@X g;] HANDLE hFile=NULL;
b5G}3)'w DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
.|qK+Hnc h}`!(K^;3 //杀本地进程
P>ceeoYQuA if(dwArgc==2)
H*^\h?s {
>EsziRm if(KillPS(atoi(lpszArgv[1])))
MPgS!V1 printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
Ycr3HLJy else
3REx45M2 printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
DQ#H,\^< lpszArgv[1],GetLastError());
I` K$E/ns return 0;
#]?bLm<! }
I04jjr:< //用户输入错误
4+$b~u else if(dwArgc!=5)
#oeG!<Mn {
^ KK_qC printf("\nPSKILL ==>Local and Remote Process Killer"
|'O[7uT "\nPower by ey4s"
TjMe?p "\nhttp://www.ey4s.org 2001/6/23"
wxg^Bq)D*R "\n\nUsage:%s <==Killed Local Process"
dy__e ^qi "\n %s <==Killed Remote Process\n",
rl#vE's6.e lpszArgv[0],lpszArgv[0]);
YTQt3=1ii return 1;
"@A![iP }
)4>2IQ //杀远程机器进程
J7D}% strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
f3j{V N strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
"gtHTqheH strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
[H<bh% O,bkQY$v //将在目标机器上创建的exe文件的路径
"xmP6=1 sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
M->*{D@a __try
,#FLM` {
9E2j! //与目标建立IPC连接
acP+3u?r if(!ConnIPC(szTarget,szUser,szPass))
Rlnbdb;!k {
1OLqL printf("\nConnect to %s failed:%d",szTarget,GetLastError());
5!YA o\S return 1;
%J:SO_6 }
n% 'tKU\q printf("\nConnect to %s success!",szTarget);
Pi,QHb`> //在目标机器上创建exe文件
A1)wo^, -oeL{9; hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
tM-^<V& E,
VErv;GyV NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
XqRJr%JH if(hFile==INVALID_HANDLE_VALUE)
G+xt5n.% {
&8&d3EQ printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
.:p2Tbo __leave;
vb 1@yQ }
Z=B_Ty //写文件内容
FGO[
|]7IN while(dwSize>dwIndex)
b`yZ|j'ikd {
SK1!thQy b*a2,MiM if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
|Fm6#1A@ {
~R$~&x