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Threat actorINTracked since 2026-07

HAZY TIGER

Also known as:Bitter

As of 2026-11-02, HAZY TIGER is a IN-nexus threat actor tracked by Threadlinqs Intelligence across 2 threats spanning apt, campaign. Also known as Bitter. ATT&CK coverage spans 45 techniques across 10 tactics in 2 of 2 tracked threats. Most-observed techniques: T1059.001 (PowerShell), T1071.001 (Application Layer Protocol), T1082 (System Information Discovery).

Tracked threats
21 high · 1 medium
First seen
2026-07-14
Last seen
2026-11-02
ATT&CK techniques
45across 2 of 2 threats
Related CVEs
1Referenced by its activity
Attribution
INNation or origin
Nation: IN · 2 tracked threat(s) · Categories: APT, CAMPAIGN

Activity timeline

HAZY TIGER appears in 2 tracked threats between and ; the busiest month was 2026-07 with 1 report.

ATT&CK techniques observed

45 techniques observed across 2 of 2 tracked threats · Stealth (formerly Defense Evasion) (9), Command and Control (6), Discovery (6), Initial Access (6), Execution (5), Collection (3)
  • T1059.001 PowerShell — Executionobserved in 2 of 2 tracked threats
  • T1071.001 Application Layer Protocol — Command and Controlobserved in 2 of 2 tracked threats
  • T1082 System Information Discovery — Discoveryobserved in 2 of 2 tracked threats
  • T1105 Ingress Tool Transfer — Command and Controlobserved in 2 of 2 tracked threats
  • T1140 Deobfuscate/Decode Files or Information — Stealth (formerly Defense Evasion)observed in 2 of 2 tracked threats
  • T1204.002 Malicious File — Executionobserved in 2 of 2 tracked threats
  • T1566.001 Spearphishing Attachment — Initial Accessobserved in 2 of 2 tracked threats
  • T1005 Data from Local System — Collectionobserved in 1 of 2 tracked threats
  • T1014 Rootkit — Stealth (formerly Defense Evasion)observed in 1 of 2 tracked threats
  • T1016 System Network Configuration Discovery — Discoveryobserved in 1 of 2 tracked threats
  • T1027 Obfuscated Files or Information — Stealth (formerly Defense Evasion)observed in 1 of 2 tracked threats
  • T1027.003 Steganography — Stealth (formerly Defense Evasion)observed in 1 of 2 tracked threats
  • T1033 System Owner/User Discovery — Discoveryobserved in 1 of 2 tracked threats
  • T1036.005 Match Legitimate Resource Name or Location — Stealth (formerly Defense Evasion)observed in 1 of 2 tracked threats
  • T1041 Exfiltration Over C2 Channel — Exfiltrationobserved in 1 of 2 tracked threats

Tracked threats

Related CVEs

1 CVE referenced by tracked HAZY TIGER activity