27.71.16.98
C2 Infrastructure CobaltStrike Indicator 27.71.16.98 Type ip Category C2 Infrastructure Family CobaltStrike Hosting Viettel Group Confidence high VT Score 9/94 Source shodan First Seen 2026-07-29 16:00:45 UTC Last Seen 2026-10-10 00:00:19 UTC Shodan View on Shodan ↗
Raw JSON
{
"cobalt_strike_beacon": {
"x86": {
"beacon_type": "HTTPS",
"jitter": 37,
"dns-beacon.strategy_rotate_seconds": -1,
"useragent_header": "Mozilla/5.0 (Windows NT 6.3; Trident/7.0; rv:11.0) like Gecko",
"http-post.client": [
"Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
"Host: www.mfmni.shop",
"Referer: http://www.mfmni.shop/",
"Accept-Encoding: gzip, deflate",
"__cfduid"
],
"maxgetsize": 1403644,
"process-inject.min_alloc": 17500,
"post-ex.spawnto_x86": "%windir%\\syswow64\\dllhost.exe",
"port": 443,
"sleeptime": 45000,
"uses_cookies": 1,
"proxy.behavior": "2 (Use IE settings)",
"process-inject.execute": [
"ntdll:RtlUserThreadStart",
"CreateThread",
"NtQueueApcThread-s",
"CreateRemoteThread",
"RtlCreateUserThread"
],
"process-inject.startrwx": 4,
"post-ex.spawnto_x64": "%windir%\\sysnative\\dllhost.exe",
"process-inject.stub": "5547675d56441b15c132ad856621eb22",
"http-get.uri": "3se9ewodke339f0e83.connectivitytests.com,/jquery-3.3.1.min.js",
"watermark": 100000,
"dns-beacon.strategy_fail_seconds": -1,
"process-inject.userwx": 32,
"dns-beacon.strategy_fail_x": -1,
"stage.cleanup": 1,
"http-post.verb": "POST",
"http-post.uri": "/jquery-3.3.2.min.js",
"server.publickey_md5": "5f82233e80427147f9f7ec6eff252049",
"process-inject.allocator": 1,
"http-get.verb": "GET",
"http-get.client": [
"Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
"Host: www.mfmni.shop",
"Referer: http://www.mfmni.shop/",
"Accept-Encoding: gzip, deflate",
"__cfduid=",
"Cookie"
]
},
"x64": {
"beacon_type": "HTTPS",
"jitter": 37,
"dns-beacon.strategy_rotate_seconds": -1,
"useragent_header": "Mozilla/5.0 (Windows NT 6.3; Trident/7.0; rv:11.0) like Gecko",
"http-post.client": [
"Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
"Host: www.mfmni.shop",
"Referer: http://www.mfmni.shop/",
"Accept-Encoding: gzip, deflate",
"__cfduid"
],
"maxgetsize": 1403644,
"process-inject.min_alloc": 17500,
"post-ex.spawnto_x86": "%windir%\\syswow64\\dllhost.exe",
"port": 443,
"sleeptime": 45000,
"uses_cookies": 1,
"proxy.behavior": "2 (Use IE settings)",
"process-inject.execute": [
"ntdll:RtlUserThreadStart",
"CreateThread",
"NtQueueApcThread-s",
"CreateRemoteThread",
"RtlCreateUserThread"
],
"process-inject.startrwx": 4,
"post-ex.spawnto_x64": "%windir%\\sysnative\\dllhost.exe",
"process-inject.stub": "5547675d56441b15c132ad856621eb22",
"http-get.uri": "3se9ewodke339f0e83.connectivitytests.com,/jquery-3.3.1.min.js",
"watermark": 100000,
"dns-beacon.strategy_fail_seconds": -1,
"process-inject.userwx": 32,
"dns-beacon.strategy_fail_x": -1,
"stage.cleanup": 1,
"http-post.verb": "POST",
"http-post.uri": "/jquery-3.3.2.min.js",
"server.publickey_md5": "5f82233e80427147f9f7ec6eff252049",
"process-inject.allocator": 1,
"http-get.verb": "GET",
"http-get.client": [
"Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
"Host: www.mfmni.shop",
"Referer: http://www.mfmni.shop/",
"Accept-Encoding: gzip, deflate",
"__cfduid=",
"Cookie"
]
}
},
"ip": 457642082,
"port": 443,
"transport": "tcp",
"cpe23_hash": -527748401,
"location": {
"city": "Hanoi",
"region_code": "HN",
"area_code": null,
"longitude": 105.84117,
"latitude": 21.0245,
"country_code": "VN",
"country_name": "Viet Nam"
},
"product": "Cobalt Strike Beacon",
"hash": -377480920,
"timestamp": "2026-07-29T14:02:15.487480",
"ssl": {
"chain_sha256": [
"ad5378b9a3ff9ef355db3d0b4b42dbbbe441fe2d7c8ae58a0b03cc0db872774b"
],
"jarm": "1dd28d28d00028d00042d41d00041df1e57cd0b3bf64d18696fb4fce056610",
"tlsext": [
{
"id": 43,
"name": "supported_versions"
},
{
"id": 44,
"name": "unknown"
},
{
"id": 51,
"name": "key_share"
},
{
"id": 43,
"name": "supported_versions"
},
{
"id": 51,
"name": "key_share"
},
{
"id": 10,
"name": "supported_groups"
}
],
"chain": [
"-----BEGIN CERTIFICATE-----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\nesACIQDgQjUYKU6yE2IYf51Or4Bm5qJZarckk3VQGTUBE3k2mg==\n-----END CERTIFICATE-----\n"
],
"versions": [
"-TLSv1",
"-SSLv2",
"-SSLv3",
"-TLSv1.1",
"TLSv1.2",
"TLSv1.3"
],
"acceptable_cas": [],
"alpn": [],
"cert": {
"sig_alg": "ecdsa-with-SHA256",
"issued": "20230902143000Z",
"expires": "20380829143000Z",
"pubkey": {
"bits": 256,
"type": "dsa"
},
"version": 2,
"extensions": [
{
"critical": true,
"data": "\\x03\\x02\\x05\\xa0",
"name": "keyUsage"
},
{
"data": "0\\x14\\x06\\x08+\\x06\\x01\\x05\\x05\\x07\\x03\\x02\\x06\\x08+\\x06\\x01\\x05\\x05\\x07\\x03\\x01",
"name": "extendedKeyUsage"
},
{
"critical": true,
"data": "0\\x00",
"name": "basicConstraints"
},
{
"data": "\\x04\\x14\\xf5\\x19\\xa6\\x88C\\x97\\xe7\\x13\\xbb\\xca\\xb8\\xb9H\\xfb\\xef6.z\\x88\\xc0",
"name": "subjectKeyIdentifier"
},
{
"data": "0\\x16\\x80\\x14\\x850];*p\\xd4\\xed\\xd5\\x92g\\x07\\xfd\\xeb9\\xb4\\x1a\\x0e8\\xa7",
"name": "authorityKeyIdentifier"
},
{
"data": "0604\\x06\\x08+\\x06\\x01\\x05\\x05\\x070\\x01\\x86(http://ocsp.cloudflare.com/origin_ecc_ca",
"name": "authorityInfoAccess"
},
{
"data": "0\\x1a\\x82\\x0c*.mfmni.shop\\x82\\nmfmni.shop",
"name": "subjectAltName"
},
{
"data": "0301\\xa0/\\xa0-\\x86+http://crl.cloudflare.com/origin_ecc_ca.crl",
"name": "crlDistributionPoints"
}
],
"fingerprint": {
"sha256": "ad5378b9a3ff9ef355db3d0b4b42dbbbe441fe2d7c8ae58a0b03cc0db872774b",
"sha1": "8e919e8dfcf8c29d095dfa7b685fa085f5dd0b38"
},
"serial": 3.1085574145832926e+47,
"issuer": {
"C": "US",
"ST": "California",
"OU": "CloudFlare Origin SSL ECC Certificate Authority",
"O": "CloudFlare, Inc.",
"L": "San Francisco"
},
"expired": false,
"subject": {
"OU": "CloudFlare Origin CA",
"CN": "CloudFlare Origin Certificate",
"O": "CloudFlare, Inc."
}
},
"cipher": {
"version": "TLSv1.3",
"bits": 256,
"name": "TLS_AES_256_GCM_SHA384"
},
"trust": {
"revoked": false,
"browser": null
},
"handshake_states": [
"before SSL initialization",
"SSLv3/TLS write client hello",
"SSLv3/TLS read server hello",
"SSLv3/TLS write change cipher spec",
"SSLv3/TLS write client hello",
"SSLv3/TLS read server hello",
"TLSv1.3 read encrypted extensions",
"SSLv3/TLS read server certificate",
"TLSv1.3 read server certificate verify",
"SSLv3/TLS read finished",
"SSLv3/TLS write finished",
"SSL negotiation finished successfully"
],
"ja3s": "fef5599f0a3662839aeb1f3c854eba06",
"ocsp": {}
},
"hostnames": [
"localhost",
"mfmni.shop"
],
"org": "Viettel Group",
"data": "\nCobalt Strike Beacon:\n x86:\n beacon_type: HTTPS\n dns-beacon.strategy_fail_seconds: -1\n dns-beacon.strategy_fail_x: -1\n dns-beacon.strategy_rotate_seconds: -1\n http-get.client:\n Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\n Host: www.mfmni.shop\n Referer: http://www.mfmni.shop/\n Accept-Encoding: gzip, deflate\n __cfduid=\n Cookie\n http-get.uri: 3se9ewodke339f0e83.connectivitytests.com,/jquery-3.3.1.min.js\n http-get.verb: GET\n http-post.client:\n Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\n Host: www.mfmni.shop\n Referer: http://www.mfmni.shop/\n Accept-Encoding: gzip, deflate\n __cfduid\n http-post.uri: /jquery-3.3.2.min.js\n http-post.verb: POST\n jitter: 37\n maxgetsize: 1403644\n port: 443\n post-ex.spawnto_x64: %windir%\\sysnative\\dllhost.exe\n post-ex.spawnto_x86: %windir%\\syswow64\\dllhost.exe\n process-inject.allocator: 1\n process-inject.execute:\n ntdll:RtlUserThreadStart\n CreateThread\n NtQueueApcThread-s\n CreateRemoteThread\n RtlCreateUserThread\n process-inject.min_alloc: 17500\n process-inject.startrwx: 4\n process-inject.stub: 5547675d56441b15c132ad856621eb22\n process-inject.userwx: 32\n proxy.behavior: 2 (Use IE settings)\n server.publickey_md5: 5f82233e80427147f9f7ec6eff252049\n sleeptime: 45000\n stage.cleanup: 1\n useragent_header: Mozilla/5.0 (Windows NT 6.3; Trident/7.0; rv:11.0) like Gecko\n uses_cookies: 1\n watermark: 100000\n x64:\n beacon_type: HTTPS\n dns-beacon.strategy_fail_seconds: -1\n dns-beacon.strategy_fail_x: -1\n dns-beacon.strategy_rotate_seconds: -1\n http-get.client:\n Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\n Host: www.mfmni.shop\n Referer: http://www.mfmni.shop/\n Accept-Encoding: gzip, deflate\n __cfduid=\n Cookie\n http-get.uri: 3se9ewodke339f0e83.connectivitytests.com,/jquery-3.3.1.min.js\n http-get.verb: GET\n http-post.client:\n Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\n Host: www.mfmni.shop\n Referer: http://www.mfmni.shop/\n Accept-Encoding: gzip, deflate\n __cfduid\n http-post.uri: /jquery-3.3.2.min.js\n http-post.verb: POST\n jitter: 37\n maxgetsize: 1403644\n port: 443\n post-ex.spawnto_x64: %windir%\\sysnative\\dllhost.exe\n post-ex.spawnto_x86: %windir%\\syswow64\\dllhost.exe\n process-inject.allocator: 1\n process-inject.execute:\n ntdll:RtlUserThreadStart\n CreateThread\n NtQueueApcThread-s\n CreateRemoteThread\n RtlCreateUserThread\n process-inject.min_alloc: 17500\n process-inject.startrwx: 4\n process-inject.stub: 5547675d56441b15c132ad856621eb22\n process-inject.userwx: 32\n proxy.behavior: 2 (Use IE settings)\n server.publickey_md5: 5f82233e80427147f9f7ec6eff252049\n sleeptime: 45000\n stage.cleanup: 1\n useragent_header: Mozilla/5.0 (Windows NT 6.3; Trident/7.0; rv:11.0) like Gecko\n uses_cookies: 1\n watermark: 100000\n",
"asn": "AS7552",
"cpe23": [
"cpe:2.3:a:helpsystems:cobalt_strike"
],
"isp": "Viettel Group",
"cpe": [
"cpe:/a:helpsystems:cobalt_strike"
],
"domains": [
"localhost.",
"mfmni.shop"
],
"ip_str": "27.71.16.98",
"os": null,
"_shodan": {
"region": "eu",
"module": "https",
"ptr": true,
"options": {},
"id": "800c250b-7aac-4957-950e-48f1effe4817",
"crawler": "cdd92e2d835a37d2798fa6c7105171f4d214012f"
}
}