`188.43.33.249`

188.43.33.249 is an IP address that 5 published sources report in connection with IT Worker Fraud, PolinRider and Contagious Interview activity, which public reporting attributes to North Korea (DPRK). It is cited here from tayvano (lazarus-bluenoroff-research), OpenSourceMalware, Trend Micro, Crystal Intelligence and Ransom-ISAC. The earliest of those reports is dated 2025-04-23 and the most recent 2026-10-18.

ip address IT Worker Fraud PolinRider Contagious Interview MATCHED IN SOURCE

First seen 2025-04-23 · last seen 2026-10-18

Network

Kind	fixed line
Network	Joint Stock Company TransTeleCom (TTK PtP)
Announced by	AS20485 Joint Stock Company TransTeleCom
Country	Russia

Looked up 2026-09-21 at ip-api.com. A subscriber line, as a person working from home ordinarily has.

Sources

…x.com/blockchain41673/ - t.me/bcstar18 (ID: 5915387318) • [Messages](./user-5915387318-@bcstar18.txt) - 188.43.235.177 Mar 2022 - 188.43.33.249 Sept 2024 - 83.234.227.52 Dec 2024 - 0x73Fd6C969514Cb6bE9BB9620Eaf79Cbda5887fb4 - 0xabbcbd048bc3f54f7bca806bc23beafded7e944c -…
DPRK IT Workers — tayvano (lazarus-bluenoroff-research) · under “Alexandru-Gabriel Dumitras” · published 2025-06-19 · pulled 2026-09-01
…166.88.54.158 , 198.105.127.210 , 23.27.202.27 , 154.91.0.103 , 136.0.9.8 , 166.88.4.2 , 23.27.120.142 , 202.155.8.173 , 166.88.134.82 , 188.43.33.249 , 23.27.13.43 .…
A Developer's Guide to Getting Rid of PolinRider | OpenSourceMalware — OpenSourceMalware · under “4. Block known indicators at the network layer” · published 2026-08-13 · pulled 2026-09-12
…SKYFREIGHT-NET June 2, 2023 Khasan, Russia 188.43.136.0/24 20485 KPOST-NET2 September 12, 2017 Khabarovsk, Russia 188.43.33.249 188.43.33.250 188.43.33.251 188.43.33.252 188.43.33.253 20485 (Generic network name) Undetermined Undetermined Table 1.…
Russian Infrastructure Plays Crucial Role in North Korean Cybercrime Operations — Trend Micro · under “Anonymization layers” · published 2025-04-23 · pulled 2026-09-12
…They’re direct financial relationships. One operational wallet was accessed via IP address 188.43.33.249 in Vladivostok, Russia—geolocating to the site of the former US Consulate.…
How we proved North Korea's blockchain malware campaign — Crystal Intelligence · under “What the financial trail revealed” · published 2025-12-17 · pulled 2026-10-03
…Russian IP Overlap According to collateral sources, one of the wallets was accessed via IP address 188.43.33.249 Whilst TrendMicro reported on this in April 2025 of possible shared overlap , there have been very few other public reports of such…
Cross-Chain TxDataHiding Crypto Heist: A Very (Very) Chainful Process (Part 4) — Ransom-ISAC · under “Russian IP Overlap” · published 2025-12-08 · pulled 2026-10-03

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Cited by the same report: Russian Infrastructure Plays Crucial Role in North Korean Cybercrime Operations

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