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Merge pull request #694 from shreyamalviya/T1168-T1053 

Add T1168 and T1053 attack techniques (job scheduling)
This commit is contained in:
Shreya Malviya 2020-07-15 00:29:25 +05:30 committed by GitHub
parent 965be23f18 5bbef83b83
commit 868dd97614
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GPG Key ID: 4AEE18F83AFDEB23
12 changed files with 256 additions and 3 deletions
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1
monkey/common/data/post_breach_consts.py
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@ -5,3 +5,4 @@ POST_BREACH_SHELL_STARTUP_FILE_MODIFICATION = "Modify shell startup file"
POST_BREACH_HIDDEN_FILES = "Hide files and directories"
POST_BREACH_TRAP_COMMAND = "Execute command when a particular signal is received"
POST_BREACH_SETUID_SETGID = "Setuid and Setgid"
POST_BREACH_JOB_SCHEDULING = "Schedule jobs"

19
monkey/infection_monkey/post_breach/actions/schedule_jobs.py Normal file
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@ -0,0 +1,19 @@
from common.data.post_breach_consts import POST_BREACH_JOB_SCHEDULING
from infection_monkey.post_breach.pba import PBA
from infection_monkey.post_breach.job_scheduling.job_scheduling import\
get_commands_to_schedule_jobs, remove_scheduled_jobs
class ScheduleJobs(PBA):
"""
This PBA attempts to schedule jobs on the system.
"""
def __init__(self):
linux_cmds, windows_cmds = get_commands_to_schedule_jobs()
super(ScheduleJobs, self).__init__(name=POST_BREACH_JOB_SCHEDULING,
linux_cmd=' '.join(linux_cmds),
windows_cmd=windows_cmds)
remove_scheduled_jobs()

18
monkey/infection_monkey/post_breach/job_scheduling/job_scheduling.py Normal file
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@ -0,0 +1,18 @@
import subprocess
from infection_monkey.post_breach.job_scheduling.linux_job_scheduling import\
get_linux_commands_to_schedule_jobs
from infection_monkey.post_breach.job_scheduling.windows_job_scheduling import\
get_windows_commands_to_schedule_jobs,\
get_windows_commands_to_remove_scheduled_jobs
from infection_monkey.utils.environment import is_windows_os
def get_commands_to_schedule_jobs():
linux_cmds = get_linux_commands_to_schedule_jobs()
windows_cmds = get_windows_commands_to_schedule_jobs()
return linux_cmds, windows_cmds
def remove_scheduled_jobs():
if is_windows_os():
subprocess.run(get_windows_commands_to_remove_scheduled_jobs(), shell=True) # noqa: DUO116

12
monkey/infection_monkey/post_breach/job_scheduling/linux_job_scheduling.py Normal file
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@ -0,0 +1,12 @@
TEMP_CRON = "$HOME/monkey-schedule-jobs"
def get_linux_commands_to_schedule_jobs():
return [
f'touch {TEMP_CRON} &&',
f'crontab -l > {TEMP_CRON} &&',
'echo \"# Successfully scheduled a job using crontab\" |',
f'tee -a {TEMP_CRON} &&',
f'crontab {TEMP_CRON} ;',
f'rm {TEMP_CRON}'
]

12
monkey/infection_monkey/post_breach/job_scheduling/windows_job_scheduling.py Normal file
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@ -0,0 +1,12 @@
SCHEDULED_TASK_NAME = 'monkey-spawn-cmd'
SCHEDULED_TASK_COMMAND = 'C:\windows\system32\cmd.exe'
# Commands from: https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1053.005/T1053.005.md
def get_windows_commands_to_schedule_jobs():
return f'schtasks /Create /SC monthly /TN {SCHEDULED_TASK_NAME} /TR {SCHEDULED_TASK_COMMAND}'
def get_windows_commands_to_remove_scheduled_jobs():
return f'schtasks /Delete /TN {SCHEDULED_TASK_NAME} /F > nul 2>&1'

6
monkey/monkey_island/cc/services/attack/attack_report.py
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@ -4,7 +4,7 @@ from monkey_island.cc.models import Monkey
from monkey_island.cc.services.attack.technique_reports import T1210, T1197, T1110, T1075, T1003, T1059, T1086, T1082
from monkey_island.cc.services.attack.technique_reports import T1145, T1105, T1065, T1035, T1129, T1106, T1107, T1188
from monkey_island.cc.services.attack.technique_reports import T1090, T1041, T1222, T1005, T1018, T1016, T1021, T1064
from monkey_island.cc.services.attack.technique_reports import T1136, T1156, T1504, T1158, T1154, T1166
from monkey_island.cc.services.attack.technique_reports import T1136, T1156, T1504, T1158, T1154, T1166, T1168, T1053
from monkey_island.cc.services.attack.attack_config import AttackConfig
from monkey_island.cc.database import mongo
from monkey_island.cc.services.reporting.report_generation_synchronisation import safe_generate_attack_report
@ -42,7 +42,9 @@ TECHNIQUES = {'T1210': T1210.T1210,
'T1504': T1504.T1504,
'T1158': T1158.T1158,
'T1154': T1154.T1154,
'T1166': T1166.T1166
'T1166': T1166.T1166,
'T1168': T1168.T1168,
'T1053': T1053.T1053
}
REPORT_NAME = 'new_report'

20
monkey/monkey_island/cc/services/attack/attack_schema.py
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@ -109,6 +109,16 @@ SCHEMA = {
"and evade a typical user or system analysis that does not "
"incorporate investigation of hidden files."
},
"T1168": {
"title": "Local job scheduling",
"type": "bool",
"value": True,
"necessary": False,
"link": "https://attack.mitre.org/techniques/T1168/",
"description": "Linux supports multiple methods for creating pre-scheduled and "
"periodic background jobs. Job scheduling can be used by adversaries to "
"schedule running malicious code at some specified date and time."
},
"T1504": {
"title": "PowerShell profile",
"type": "bool",
@ -119,6 +129,16 @@ SCHEMA = {
"in certain situations by abusing PowerShell profiles which "
"are scripts that run when PowerShell starts."
},
"T1053": {
"title": "Scheduled task",
"type": "bool",
"value": True,
"necessary": False,
"link": "https://attack.mitre.org/techniques/T1053",
"description": "Windows utilities can be used to schedule programs or scripts to "
"be executed at a date and time. An adversary may use task scheduling to "
"execute programs at system startup or on a scheduled basis for persistence."
},
"T1166": {
"title": "Setuid and Setgid",
"type": "bool",

35
monkey/monkey_island/cc/services/attack/technique_reports/T1053.py Normal file
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@ -0,0 +1,35 @@
from monkey_island.cc.services.attack.technique_reports import AttackTechnique
from monkey_island.cc.database import mongo
from common.utils.attack_utils import ScanStatus
from common.data.post_breach_consts import POST_BREACH_JOB_SCHEDULING
__author__ = "shreyamalviya"
class T1053(AttackTechnique):
tech_id = "T1053"
unscanned_msg = "Monkey did not try scheduling a job on Windows."
scanned_msg = "Monkey tried scheduling a job on the Windows system but failed."
used_msg = "Monkey scheduled a job on the Windows system."
query = [{'$match': {'telem_category': 'post_breach',
'data.name': POST_BREACH_JOB_SCHEDULING,
'data.command': {'$regex': 'schtasks'}}},
{'$project': {'_id': 0,
'machine': {'hostname': '$data.hostname',
'ips': ['$data.ip']},
'result': '$data.result'}}]
@staticmethod
def get_report_data():
data = {'title': T1053.technique_title()}
job_scheduling_info = list(mongo.db.telemetry.aggregate(T1053.query))
status = (ScanStatus.USED.value if job_scheduling_info[0]['result'][1]
else ScanStatus.SCANNED.value) if job_scheduling_info else ScanStatus.UNSCANNED.value
data.update(T1053.get_base_data_by_status(status))
data.update({'info': job_scheduling_info})
return data

35
monkey/monkey_island/cc/services/attack/technique_reports/T1168.py Normal file
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@ -0,0 +1,35 @@
from monkey_island.cc.services.attack.technique_reports import AttackTechnique
from monkey_island.cc.database import mongo
from common.utils.attack_utils import ScanStatus
from common.data.post_breach_consts import POST_BREACH_JOB_SCHEDULING
__author__ = "shreyamalviya"
class T1168(AttackTechnique):
tech_id = "T1168"
unscanned_msg = "Monkey did not try scheduling a job on Linux."
scanned_msg = "Monkey tried scheduling a job on the Linux system but failed."
used_msg = "Monkey scheduled a job on the Linux system."
query = [{'$match': {'telem_category': 'post_breach',
'data.name': POST_BREACH_JOB_SCHEDULING,
'data.command': {'$regex': 'crontab'}}},
{'$project': {'_id': 0,
'machine': {'hostname': '$data.hostname',
'ips': ['$data.ip']},
'result': '$data.result'}}]
@staticmethod
def get_report_data():
data = {'title': T1168.technique_title()}
job_scheduling_info = list(mongo.db.telemetry.aggregate(T1168.query))
status = (ScanStatus.USED.value if job_scheduling_info[0]['result'][1]
else ScanStatus.SCANNED.value) if job_scheduling_info else ScanStatus.UNSCANNED.value
data.update(T1168.get_base_data_by_status(status))
data.update({'info': job_scheduling_info})
return data

11
monkey/monkey_island/cc/services/config_schema.py
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@ -191,6 +191,14 @@ SCHEMA = {
],
"title": "Setuid and Setgid",
"attack_techniques": ["T1166"]
},
{
"type": "string",
"enum": [
"ScheduleJobs"
],
"title": "Job scheduling",
"attack_techniques": ["T1168", "T1053"]
}
],
},
@ -415,7 +423,8 @@ SCHEMA = {
"ModifyShellStartupFiles",
"HiddenFiles",
"TrapCommand",
"ChangeSetuidSetgid"
"ChangeSetuidSetgid",
"ScheduleJobs"
],
"description": "List of actions the Monkey will run post breach"
},

45
monkey/monkey_island/cc/ui/src/components/attack/techniques/T1053.js Normal file
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@ -0,0 +1,45 @@
import React from 'react';
import ReactTable from 'react-table';
import {renderMachineFromSystemData, ScanStatus} from './Helpers';
import MitigationsComponent from './MitigationsComponent';
class T1053 extends React.Component {
constructor(props) {
super(props);
}
static getColumns() {
return ([{
columns: [
{ Header: 'Machine',
id: 'machine',
accessor: x => renderMachineFromSystemData(x.machine),
style: {'whiteSpace': 'unset'}},
{ Header: 'Result',
id: 'result',
accessor: x => x.result,
style: {'whiteSpace': 'unset'}}
]
}])
}
render() {
return (
<div>
<div>{this.props.data.message}</div>
<br/>
{this.props.data.status === ScanStatus.USED ?
<ReactTable
columns={T1053.getColumns()}
data={this.props.data.info}
showPagination={false}
defaultPageSize={this.props.data.info.length}
/> : ''}
<MitigationsComponent mitigations={this.props.data.mitigations}/>
</div>
);
}
}
export default T1053;

45
monkey/monkey_island/cc/ui/src/components/attack/techniques/T1168.js Normal file
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@ -0,0 +1,45 @@
import React from 'react';
import ReactTable from 'react-table';
import {renderMachineFromSystemData, ScanStatus} from './Helpers';
import MitigationsComponent from './MitigationsComponent';
class T1168 extends React.Component {
constructor(props) {
super(props);
}
static getColumns() {
return ([{
columns: [
{ Header: 'Machine',
id: 'machine',
accessor: x => renderMachineFromSystemData(x.machine),
style: {'whiteSpace': 'unset'}},
{ Header: 'Result',
id: 'result',
accessor: x => x.result,
style: {'whiteSpace': 'unset'}}
]
}])
}
render() {
return (
<div>
<div>{this.props.data.message}</div>
<br/>
{this.props.data.status === ScanStatus.USED ?
<ReactTable
columns={T1168.getColumns()}
data={this.props.data.info}
showPagination={false}
defaultPageSize={this.props.data.info.length}
/> : ''}
<MitigationsComponent mitigations={this.props.data.mitigations}/>
</div>
);
}
}
export default T1168;