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2 malware families

Shedding Zmiy

Also known asShedding Zmiy

Shedding Zmiy is a threat actor associated with the (Ex)Cobalt activity cluster and also referred to as ExCobalt in the provided reporting. The content does not provide a standalone intrusion profile for Shedding Zmiy, but it explicitly states that campaigns targeting Russian organizations showed overlaps with Shedding Zmiy/ExCobalt-linked activity. Reported overlaps included tools, infrastructure, file naming, and TTPs seen alongside other Russia-targeting groups such as MorLock, BlackJack, and Twelve. Specifically mentioned overlaps tied to Shedding Zmiy/ExCobalt-linked activity include XenAllPasswordPro, Intellpui.vbs, the CobInt backdoor, resocks, SoftPerfect Network Scanner, and dismcore.dll sideloading. The content only supports high-confidence characterization of Shedding Zmiy as a group associated with the (Ex)Cobalt cluster and linked through overlapping tooling and tradecraft to recent campaigns targeting Russian businesses and government entities.

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MITRE ATT&CK

Tradecraft

3 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.

6 of 15 tactics7 techniques×N= number of intelligence reports citing this technique
MITRE ATT&CK
TA0001
Initial Access
1 technique
T1078
Valid Accounts
TA0003
Persistence
1 technique
T1078
Valid Accounts
TA0004
Privilege Escalation
1 technique
T1078
Valid Accounts
TA0005
Stealth
1 technique
T1078
Valid Accounts
TA0007
Discovery
1 technique
T1046
Network Service Discovery
TA0011
Command and Control
1 technique
T1090
Proxy
T1090.002
External Proxy
ARSENAL

Associated malware families

2 malware families attributed to this actor across reporting.

FamilyContextEvidenceLast seen
CobIntIn one Crypt Ghouls attack, we discovered a malicious CobInt backdoor loader.1Jun 14, 2026
ResocksResocks is a reverse SOCKS5 proxy for tunneling traffic.1Jun 14, 2026
ACTIVITY FEED

Recent activity

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

2 SOURCESView more in app
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Target overlap

Match sector + geo + tech-stack targeting against your real footprint.

Tradecraft mapping3

Every observed MITRE ATT&CK technique, grouped by tactic.

Malware arsenal2

Families this actor is known to deploy, with IOCs and behavior.

Exploited CVEs

CVEs this actor has used in known campaigns.

Detection signatures

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

Observables

Domains, IPs, and hashes tied to this actor, refreshed continuously.