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13.90.206.6

TAGGED SUSPICIOUS how we decide →
Threat Confidence
46%
Location
🇺🇸 US / Washington
ASN
AS8075 · Microsoft Corporation
Cloud Provider
Microsoft Azure
Total Events
398
Top 10% by volume
Agent Count
1
First / Last Seen
2026-06-23 19:13 — 2026-07-06 02:55
Attack Types
ssh:bruteforce
MITRE ATT&CK Techniques
Reconnaissance
T1595.002
Initial Access
T1078
Defense Evasion
T1070.004
Credential Access
T1110 T1110.001
Command and Control
T1105
External Corroboration
Blocklist.de
Reported 2026-07-17 20:03
blocklist_de:reported
Campaigns
HASSH f555226df196… — SSH-2.0-libssh_0.9.6 (511 IPs, 73 countries) HASSH Active high 🇺🇸 US
511 IPs 421963 events
ssh:bruteforce
2026-02-25 — ongoing · 511 IPs are running an identical SSH client (HASSH fingerprint f555226df196…). Top network: Microsoft Corporation (AS8075). Geographic and …
Session Forensics
malware_dropper ×3 credential_probe ×3 opportunistic_bruter ×3
Sessions
9 (6 with login)
Avg Depth Score
0.57
Commands Executed
9
Files Downloaded
3
Notable Commands
  • cd ~; chattr -ia .ssh; lockr -ia .ssh
  • lockr -ia .ssh
  • cd ~ && rm -rf .ssh && mkdir .ssh && echo "ssh-rsa AAAAB3NzaC1yc2EAAAABJQAAAQEArDp4cun2lhr4KUhBGE7VvAcwdli2a8dbnrTOrbMz1+5O73fcBOx8NVbUT0bUanUV9tJ2/9p7+vD0EpZ3Tz/+0kX34uAx1RV/75GVOmNx+9EuWOnvNoaJe0QXxziIg9eLBHpgLMuakb5+BgTFB+rKJAw9u9FSTDengvS8hX1kNFS4Mjux0hJOK8rvcEmPecjdySYMb66nylAKGwCEE6WEQHmd1mUPgHwGQ0hWCwsQk13yCGPK5w6hYp5zYkFnvlC8hGmd4Ww+u97k6pfTGTUbJk14ujvcD9iUKQTTWYYjIIu5PmUux5bsZ0R4WFwdIe6+i6rBLAsPKgAySVKPRK+oRw== mdrfckr">>.ssh/authorized_keys && chmod -R go= ~/.ssh && cd ~
Fingerprints
HASSH
f555226df1963d1d3c09daf865abdc9a
SSH Client
SSH-2.0-libssh_0.9.6
Evidence Timeline
Opportunistic Bruter 9930fa4c9b04 w4m_singapore_01 · 2026-07-16 04:49
1 50%
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Malware Dropper b1d64a40361b w4m_singapore_01 · 2026-07-16 04:49
3 1 1 100%
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Credential Probe 2864c5204af2 w4m_singapore_01 · 2026-07-16 04:49
1 20%
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Opportunistic Bruter 7e4983fddc5a w4m_singapore_01 · 2026-06-28 12:41
1 50%
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Malware Dropper 31e9c120f0ba w4m_singapore_01 · 2026-06-28 12:41
3 1 1 100%
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Credential Probe 762a18875225 w4m_singapore_01 · 2026-06-28 12:41
1 20%
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Opportunistic Bruter 175e3f0279a2 w4m_singapore_01 · 2026-06-23 19:13
1 50%
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Malware Dropper ea9fd2875efa w4m_singapore_01 · 2026-06-23 19:13
3 1 1 100%
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Credential Probe 90b618b57b93 w4m_singapore_01 · 2026-06-23 19:13
1 20%
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