Sandfly 2.1 Released
Sandfly 2.1 has been released. We have expanded MIPS and ARM CPU coverage for embedded Linux devices, boosted our bindshell backdoor coverage and added in new sniffer and rogue sudo user detection as well as …
Using Linux utmpdump for Forensics and Detecting Log File Tampering
In this post we’re going to show you how to use utmpdump for investigating Linux audit logs for signs of compromise. Seemingly unknown by many, the utmpdump command is a great tool for Linux forensics …
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Getting an Attacker IP Address from a Malicious Linux At Job
Attackers on Linux often try to establish persistence so they can maintain access to a host. The most common way to do this is with a cron job that is scheduled to run and re-install …
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Sandfly 2.0 Released – Write Your Own Sandflies
Sandfly 2.0 is here. Sandfly 2.0 brings powerful new capabilities for agentless compromise detection and incident response for Linux. This includes our new feature to write your own agentless custom sandfly modules. Widest Linux Security …
Detecting and De-Cloaking HiddenWasp Linux Stealth Malware
A new Linux stealth malware was discovered by researchers last week. The malware, named HiddenWasp, is a remote access tool that has two modes of infection depending on whether it has root level or user …
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How To Recover A Deleted Binary From Active Linux Malware
Often, Linux malware will delete itself after it starts so that file scanners and integrity checks won’t see the binary present. It also can make forensic analysis harder if you can’t get to the binary …
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Using Linux Process Environment Variables for Live Forensics
In this post and video we’re going to explore the Linux /proc directory further by digging into a live process and the environment variables it presents. The basic format for the command we’ll use is …
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The Advantages of Agentless Security and Intrusion Detection for Linux
In this video Sandfly founder Craig Rowland talks about agentless vs. agent based security for Linux. He’ll discuss why agentless approaches are better for compatibility and stability on Linux. Plus, he’ll discuss why agentless security …
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Using Command Line Tools to Find Process Masquerading Linux Malware
In this video Sandfly founder Craig Rowland goes over the basics behind using command line tools on Linux to look into a suspicious process. You’ll learn how to start a benign process and have it …
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