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IOC Radar

Indicators are what attackers leave behind. Stolen credentials are what they arrive with.

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3 IOCs

FishMonger Uses TCP, UDP, and WebSocket C2 Channels in SprySOCKS Windows Attacks

Cyber Press
Cyber Press
Published June 17, 2026Original Report

Threat Actors

Excerpt

A major shift in the tactics of FishMonger, a Chinese cyberespionage group linked to the contractor I-SOON. The threat actors have developed two previously undocumented Windows versions of SprySOCKS, a backdoor previously thought to only target Linux systems . Telemetry data from 2023 and 2024 reveals that these new attacks primarily target government organizations across Honduras, Taiwan, Thailand, and Pakistan. The attackers likely gain initial access by exploiting known…

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Diamond Model

SOCIAL AXISTECHNOLOGY AXISADVERSARYAPT36INFRASTRUCTUREunknownCAPABILITYunknownVICTIMunknown
Adversary(1)
Infrastructure
Capability
Victim

Attack Flow8 steps · MITRE ATT&CK mapped

Initial AccessTA0001T1190
1/8
Exploit Public-Facing Application
ActionExploit public-facing servers
Attackers likely gain initial access by exploiting known vulnerabilities in unpatched public-facing servers.

Indicators of Compromise

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3 indicators

TypeIndicatorConfidenceScoreFirst Seen
CVECVE-2023-24932MediumScore 51/100First seen
SHA1955bfc3dcc867256f9f46a606deb0779fa3416d8MediumScore 53/100First seen
SHA144dc4a08c5eb0972c8e18b0e01284e06f09006bbMediumScore 53/100First seen

IOC Relationship Graph

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