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Six Malicious Linux Shell Scripts Used to Evade Defenses and How to Stop Them

🗓️ 29 Jul 2021 13:00:27Reported by Threatpost.comType 
threatpost
 threatpost🔗 threatpost.com👁 95 Views

Evasive Tactics in Linux Shell Scripts - Stop Attacks

Refs
SourceLink
uptycswww.uptycs.com/blog/tag/threat-research/
mediawww.media.kasperskycontenthub.com/wp-content/uploads/sites/103/2021/07/26102529/igure-1-Script-Uninstalling-monitoring-agents.png
mediawww.media.kasperskycontenthub.com/wp-content/uploads/sites/103/2021/07/26102701/Figure-2-Script-Disabling-Firewall-.png
mediawww.media.kasperskycontenthub.com/wp-content/uploads/sites/103/2021/07/26102756/Figure-3-Script-Disabling-kernel-watchdog-.png
mediawww.media.kasperskycontenthub.com/wp-content/uploads/sites/103/2021/07/26102900/Figure-4-Commands-disabling-AppArmour-.png
mediawww.media.kasperskycontenthub.com/wp-content/uploads/sites/103/2021/07/26102944/Figure-5-Commands-disabling-SElinux-.png
mediawww.media.kasperskycontenthub.com/wp-content/uploads/sites/103/2021/07/26103042/Figure-6-ACL-modification-.png
man7www.man7.org/linux/man-pages/man1/chattr.1.html
mediawww.media.kasperskycontenthub.com/wp-content/uploads/sites/103/2021/07/26103124/Figure-7.1-Chattr-usage-for-dropped-malicious-file-.png
mediawww.media.kasperskycontenthub.com/wp-content/uploads/sites/103/2021/07/26103202/Figure-7.2-Making-the-keys-file-immutable-.png
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29 Jul 2021 13:00Current
7.9High risk
Vulners AI Score7.9
evasive techniqueslinux shell scriptsattack defensemonitoring agentsfirewallsinterruptsacl modificationattribute changesutility renaming
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