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Diffstat (limited to 'kevlar/2026-07-13/iocs')
| -rw-r--r-- | kevlar/2026-07-13/iocs/README.md | 32 | ||||
| -rw-r--r-- | kevlar/2026-07-13/iocs/all-observed-ips.txt | 55 | ||||
| -rw-r--r-- | kevlar/2026-07-13/iocs/c2-paths.txt | 21 | ||||
| -rw-r--r-- | kevlar/2026-07-13/iocs/fingerprints.txt | 25 |
4 files changed, 133 insertions, 0 deletions
diff --git a/kevlar/2026-07-13/iocs/README.md b/kevlar/2026-07-13/iocs/README.md new file mode 100644 index 0000000..5ad0bd3 --- /dev/null +++ b/kevlar/2026-07-13/iocs/README.md @@ -0,0 +1,32 @@ +# Weekly BP Report -- 2026-07-13 + +Generated: 2026-07-13T12:00:00Z +ASNs covered: 26 +Query range: 2026-07-05 through 2026-07-11 +Sponge sessions found: ~21,000+ (15 active ASNs) +Honeylabs events found: ~16,000+ (12 active ASNs) +Censys IPs enriched: 10 (per-host enrichment via censys_get_host) +Anomalies flagged: 11 (2 critical, 4 high, 3 medium, 2 low) + +## Directory Structure + +- `sponge/` -- Arkime/Sponge session stats per ASN (77 files) +- `honeylabs/` -- Honeylabs top attackers and fingerprints (2 files) +- `censys/` -- Censys aggregations, IP enrichments, fleet correlation (3 files) +- `changes/` -- Change detection vs prior week (2 files) +- `iocs/` -- Structured IoC files: IPs, fingerprints, C2 paths + +## Key Findings + +- PFCLOUD (AS51396) remains dominant with 10K+ events and a new coordinated scan cluster (204.76.203.78/79/80) +- Prospero Ooo (AS200593) surged from 2 to 3890 events -- single IP scan bomb +- Proton66 (AS198953) expanded from RDP-only to multi-protocol bruteforcing (RDP+SSH+Telnet+FTP) +- Datashield Inc. (AS211720) new entrant performing Exchange /ews/ reconnaissance +- ZhouyiSat (AS400992) observed scanning for /.env files to steal credentials +- FlokiNET (AS200651) Tor exit node (185.100.87.136) actively scanning HTTP/SSH +- Active ASNs expanded from 9 to 15 (+67%) week over week +- 11 unique fingerprints collected (4 HASSH, 4 JA4/JA3, 3 JA4H) -- major improvement over prior week + +## Web Access + +https://git.sr.ht/~hrbrmstr/gists/tree/main/item/kevlar/2026-07-13/ diff --git a/kevlar/2026-07-13/iocs/all-observed-ips.txt b/kevlar/2026-07-13/iocs/all-observed-ips.txt new file mode 100644 index 0000000..0d01c1b --- /dev/null +++ b/kevlar/2026-07-13/iocs/all-observed-ips.txt @@ -0,0 +1,55 @@ +# Weekly BP Report -- 2026-07-13 +# All unique IPs observed across all sources, grouped by ASN +# Query range: 2026-07-05 through 2026-07-11 + +# AS51396 - Pfcloud UG (NL) +176.65.148.25 +204.76.203.78 +204.76.203.79 +204.76.203.80 +45.135.193.193 + +# AS200593 - Prospero Ooo (TM) +91.202.233.79 + +# AS51852 - Private Layer INC (CH) +179.43.134.114 +179.43.168.58 +179.43.186.241 +179.43.185.147 + +# AS14956 - RouterHosting LLC (US) +216.126.239.17 +144.172.103.227 +216.126.225.168 +144.172.97.10 +167.88.165.96 + +# AS198953 - Proton66 OOO (RU) +176.120.22.240 +176.120.22.147 +37.77.150.67 + +# AS400992 - ZhouyiSat Communications (US) +185.228.72.109 + +# AS200651 - FlokiNET ehf (RO) +185.100.87.136 +185.100.84.164 + +# AS214940 - Kprohost LLC (UA) +77.83.39.197 +77.83.39.119 +77.83.39.94 + +# AS211720 - Datashield Inc. (SC) +185.231.33.46 + +# AS57043 - Hostkey B.v. (NL) +151.243.173.235 + +# AS210644 - Aeza Group LLC (AT/SE) +46.226.162.205 + +# AS216139 - Iron Hosting Centre LTD (NL) +178.208.88.28 diff --git a/kevlar/2026-07-13/iocs/c2-paths.txt b/kevlar/2026-07-13/iocs/c2-paths.txt new file mode 100644 index 0000000..0970ab6 --- /dev/null +++ b/kevlar/2026-07-13/iocs/c2-paths.txt @@ -0,0 +1,21 @@ +# Weekly BP Report -- 2026-07-13 +# Notable HTTP URL paths observed +# Query range: 2026-07-05 through 2026-07-11 + +# .env file scanning (credentials exfiltration) +/.env +# Source: 185.228.72.109 (AS400992 ZhouyiSat) via HTTP GET +# JA4H: ge11nn0500_2d30dc89d981 +# Intent: Retrieve environment variable files containing database credentials, API keys + +# Exchange /ews/ reconnaissance +/ews/ +# Source: 185.231.33.46 (AS211720 Datashield) via HTTP HEAD +# JA4H: he11nn0500_2d30dc89d981 +# Intent: Enumerate Exchange Web Services endpoints for vulnerability exploitation + +# Tor exit node transparentpix.gif probing +/transparentpix.gif +# Source: 185.100.87.136 (AS200651 FlokiNET) via HTTP GET on port 444 +# JA4H: ge11nn0400_88d30a62b7ad +# Intent: Tor exit node connectivity testing or pixel tracking diff --git a/kevlar/2026-07-13/iocs/fingerprints.txt b/kevlar/2026-07-13/iocs/fingerprints.txt new file mode 100644 index 0000000..5b037db --- /dev/null +++ b/kevlar/2026-07-13/iocs/fingerprints.txt @@ -0,0 +1,25 @@ +# Weekly BP Report -- 2026-07-13 +# Fingerprints observed per ASN +# Query range: 2026-07-05 through 2026-07-11 + +# HASSH SSH Fingerprints +AS57043,151.243.173.235,hassh,f555226df1963d1d3c09daf865abdc9a,SSH-2.0-libssh_0.9.6,SSH scanning port 22 +AS200651,185.100.87.136,hassh,e54ef3ec27fe1fea7ab64d3fa05359fd,SSH-2.0-OpenSSH_10.1,SSH scanning multiple ports (Tor exit node) + +# JA4/JA3 TLS Fingerprints +AS400992,185.228.72.109,ja4,t13i1711h1_ab0a1bf427ad_882d495ac381,,TLS 1.3 .env file scanning +AS400992,185.228.72.109,ja3,fb0c9cea0478d6132076f4cdcb0d5224,,TLS 1.3 .env file scanning +AS200651,185.100.87.136,ja4,t13i1909h2_9dc949149365_97f8aa674fd9,,TLS 1.3 transparentpix.gif probing +AS200651,185.100.87.136,ja3,7c1e207beb00684bbbe144f1b0abe1d5,,TLS 1.3 transparentpix.gif probing +AS211720,185.231.33.46,ja4,t13i1813h1_5103eae14fdb_97a66a8f4cb1,,TLS 1.3 Exchange /ews/ recon +AS211720,185.231.33.46,ja3,60eb467937ec4cb8aa43b4008a510ad1,,TLS 1.3 Exchange /ews/ recon + +# JA4H HTTP Fingerprints +AS400992,185.228.72.109,ja4h,ge11nn0500_2d30dc89d981,,HTTP GET /.env scanning +AS200651,185.100.87.136,ja4h,ge11nn0400_88d30a62b7ad,,HTTP GET on port 444 +AS211720,185.231.33.46,ja4h,he11nn0500_2d30dc89d981,,HTTP HEAD /ews/ Exchange recon + +# Censys-enriched SSH versions +AS51396,176.65.148.25,ssh-version,SSH-2.0-OpenSSH_9.2p1,,GreyNoise malicious RDP crawler/bruteforcer +AS51852,179.43.134.114,ssh-version,SSH-2.0-OpenSSH_8.9p1 Ubuntu-3ubuntu0.10,,hostedby.privatelayer.com +AS200651,185.100.87.136,tor-version,Tor 0.4.9.11,,Confirmed Tor exit node on port 9001 |
