MalwareUsed by 1 actor

PteroDee

For your environment

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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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Gamaredon Group

The other five new tools - PteroDee, PteroCache, PteroDum, PteroOdd and PteroEffigy - are all lightweight downloaders that fetch the next payload, C2 information or additional malware.

via govinfosecuritygovinfosecurity.com

MITRE ATT&CK

Techniques & procedures

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

Initial Access

1 technique

T1566PhishingEvidence1

The group tracked as Gamaredon spent the first half of the year developing six new PowerShell-based downloaders and shifted focus in the second half to launching at least 35 spear-phishing campaigns.

Execution

2 techniques

T1059Command and Scripting InterpreterEvidence1

The group tracked as Gamaredon spent the first half of the year developing six new PowerShell-based downloaders.

T1059.001PowerShellEvidence1

The group tracked as Gamaredon spent the first half of the year developing six new PowerShell-based downloaders.

Command and Control

1 technique

T1105Ingress Tool TransferEvidence1

The other five new tools - PteroDee, PteroCache, PteroDum, PteroOdd and PteroEffigy - are all lightweight downloaders that fetch the next payload, C2 information or additional malware.

ACTIVITY FEED

Recent activity

1 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

1 SOURCESView more in app

govinfosecurityNews

Jun 25, 2026

Russia's Gamaredon Adapts Tactics to Target Ukraine

A lightweight downloader used to fetch next-stage payloads, command-and-control information, or additional malware.

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.

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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 mapping4

Every documented technique, ranked by evidence weight.

Researcher chatter

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