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Some bins added #5133

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18 changes: 12 additions & 6 deletions rules/linux/process_creation/proc_creation_lnx_webshell_detection.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -5,9 +5,9 @@ description: Detects suspicious sub processes of web server processes
references:
- https://www.acunetix.com/blog/articles/web-shells-101-using-php-introduction-web-shells-part-2/
- https://media.defense.gov/2020/Jun/09/2002313081/-1/-1/0/CSI-DETECT-AND-PREVENT-WEB-SHELL-MALWARE-20200422.PDF
author: Florian Roth (Nextron Systems), Nasreddine Bencherchali (Nextron Systems)
author: Florian Roth (Nextron Systems), Nasreddine Bencherchali (Nextron Systems), CheraghiMilad
date: 2021-10-15
modified: 2022-12-28
modified: 2024-12-18
tags:
- attack.persistence
- attack.t1505.003
Expand All @@ -33,17 +33,23 @@ detection:
- 'websphere'
sub_processes:
Image|endswith:
- '/whoami'
- '/ifconfig'
- '/ip'
- '/bin/uname'
- '/bin/cat'
- '/bin/crontab'
- '/bin/ufw'
- '/bin/uname'
- '/hostname'
- '/id'
- '/ifconfig'
- '/ip'
- '/iptables'
- '/netstat'
- '/nslookup'
- '/pwd'
- '/route'
- '/users'
- '/w'
- '/who'
- '/whoami'
condition: 1 of selection_* and sub_processes
falsepositives:
- Web applications that invoke Linux command line tools
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