SANS Stormcast Monday, September 29th, 2025: Convert Timestamps; Cisco Compromises; GitHub Notification Phishing
Update: 2025-09-29
Description
Converting Timestamps in .bash_history
Unix shells offer the ability to add timestamps to commands in the .bash_history file. This is often done in the form of Unix timestamps. This new tool converts these timestamps into a more readable format.
https://isc.sans.edu/diary/New%20tool%3A%20convert-ts-bash-history.py/32324
Cisco ASA/FRD Compromises
Exploitation of the vulnerabilities Cisco patched last week may have bone back about a year. Cisco and CISA have released advisories with help identifying affected devices.
https://sec.cloudapps.cisco.com/security/center/resources/asa_ftd_continued_attacks
https://www.cisa.gov/news-events/directives/ed-25-03-identify-and-mitigate-potential-compromise-cisco-devices
Github Notification Phishing
Github notifications are used to impersonate YCombinator and trick victims into installing a crypto drainer.
https://www.bleepingcomputer.com/news/security/github-notifications-abused-to-impersonate-y-combinator-for-crypto-theft/
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