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Mallory
MalwareUsed by 1 actor

SANDBAR

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For your environment

Hunt this family in your stack

Mallory pivots from this family to the IOCs, detections, and named campaigns that touch your stack, and pages you when something new lands.

THREAT ACTORS

Groups observed using it

1 distinct threat actor attributed by public researchers. Open in Mallory to see the full evidence chain and overlapping campaigns.

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UNC4841

“SANDBAR is a rootkit in the form of a trojanized network file system kernel module for linux (nfsd_stub.ko) that contains hooks to hide processes that begin with a specified name.”

via mandiant threat intelligencecloud.google.com
MITRE ATT&CK

Techniques & procedures

2 distinct techniques documented for this family, organized by ATT&CK tactic.

Stealth

2 techniques
T1014RootkitEvidence1

“SANDBAR is a rootkit…trojanized…kernel module…contains hooks to hide processes…”

T1564.001Hidden Files and DirectoriesEvidence1

“SANDBAR…contains hooks to hide processes…hides the process ID from being displayed when the /proc filesystem is queried.”

ACTIVITY FEED

Recent activity

1 sources tracked across advisories and community write-ups. News coverage will land here when it surfaces.

No news coverage yet. Advisories and community discussion only.

What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets match these IOCs, which detections are missing, which campaigns to expect next, and what to do in the next 30 minutes.
IOC matching

Match every observed IP, domain, and hash against your live telemetry.

Threat actor attribution1

Named campaigns wielding this family, with evidence pinned to each claim.

Exploited vulnerabilities

CVEs this family uses for access and lateral movement.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

MITRE ATT&CK mapping2

Every documented technique, ranked by evidence weight.

Researcher chatter

Reddit, Mastodon, and CTI community discussion around this family.